{"id":30932,"date":"2022-11-29T02:21:57","date_gmt":"2023-05-02T21:58:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84%e5%9f%ba%e7%a1%80%e6%a6%82%e8%bf%b0\/"},"modified":"2025-08-12T21:28:09","modified_gmt":"2025-08-12T13:28:09","slug":"php%e7%9a%84%e5%9f%ba%e7%a1%80%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84%e5%9f%ba%e7%a1%80%e6%a6%82%e8%bf%b0\/","title":{"rendered":"PHP\u7684\u57fa\u7840\u6982\u8ff0"},"content":{"rendered":"<h1>\u6b63\u5728\u5199\u4f5c\u7684\u4eba\u300c\u304b\u305a\u304d\u3061\u300d\u662f\u4e00\u4e2a\u63d0\u4f9b\u7f16\u7a0b\u5b66\u4e60\u670d\u52a1\u3001\u5ba0\u7269\u6c99\u9f99\u9884\u7ea6\u670d\u52a1\u3001\u4ee5\u53ca\u98ce\u4fd7\u641c\u7d22\u670d\u52a1\u7b49\u591a\u79cd\u670d\u52a1\u7684\u7f51\u7ad9\u3002<br \/>\n\u25a0\u90e8\u5206\u7ecf\u8425\u670d\u52a1<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"woDzVD0Dj4\"><p><a href=\"https:\/\/crazy-wp.com\/\">TOP<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;TOP&#8221; &#8212; CRAZY WP\" src=\"https:\/\/crazy-wp.com\/embed\/#?secret=NHQZVXV5KH#?secret=woDzVD0Dj4\" data-secret=\"woDzVD0Dj4\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><br \/>\nhttp:\/\/webukatu.com\/<br \/>\n\u8d77\u521d\u662f\u4ece\u4e1c\u4eac\u65b0\u5bbf\u7684\u4e3b\u4eba\u516c\u8fc7\u6e21\u5230\u623f\u5730\u4ea7\u548c\u4fdd\u9669\u9500\u552e\uff0c\u5bf9HTML\u4e00\u65e0\u6240\u77e5\uff0c\u4f46\u5728\u4e09\u4e2a\u6708\u7684\u81ea\u5b66\u4e2d\u5b66\u4e60\u4e86\u7f16\u7a0b\u548c\u8bbe\u8ba1\uff0c\u5e76\u5728IT\u884c\u4e1a\u79ef\u7d2f\u4e86\u4e00\u5e74\u7684\u5b9e\u9645\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u5e74\u6536\u5165\u8d85\u8fc7\u4e00\u672c\u3002\u73b0\u5728\u4f5c\u4e3a\u521b\u4e1a\u8005\uff0c\u8d1f\u8d23\u8fd0\u8425\u670d\u52a1\u548c\u623f\u5730\u4ea7\u7ba1\u7406\u3002<br \/>\n\u5728Qiita\u4e0a\u4e5f\u5199\u4e86\u76f8\u5173\u7684\u6587\u7ae0\u3002<br \/>\n13\u4e2a\u52a9\u4e8e\u5de5\u7a0b\u5e08\u8d5a\u94b1\u7684\u91cd\u8981\u4e8b\u9879<br \/>\n18\u4e2a\u5e0c\u671b\u60f3\u521b\u529eWEB\u670d\u52a1\u7684\u4eba\u80fd\u9605\u8bfb\u7684\u4e8b\u9879<\/p>\n<h1>\u5173\u4e8e\u57fa\u672c\u7684\u673a\u5236<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n <span class=\"c1\">\/\/\u51e6\u7406\u5185\u5bb9<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u203b\u4f7f\u7528&#8221;<!--?php?-->&#8220;\u8fdb\u884c\u533a\u5757\u5904\u7406\u3002\u5373\u4f7f\u6709\u591a\u4e2a\u533a\u5757\uff0c\u5b83\u4eec\u4e5f\u90fd\u80fd\u591f\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u53ef\u4ee5\u8de8\u8d8a\u533a\u5757\u8fdb\u884c\u5904\u7406\u3002<br \/>\n\u203b\u53ea\u8981\u4ee5&#8221;;&#8221;\u7ed3\u675f\uff0c\u6362\u884c\u3001\u7a7a\u683c\u6216\u7a7a\u767d\u90fd\u4f1a\u88ab\u5ffd\u7565\u3002<br \/>\n\u203b\u5982\u679c\u53ea\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u7f16\u5199php\uff08\u65e0html\u7b49\uff09\uff0c\u6700\u540e\u7684&#8221;<!--?php?-->&#8220;\u53ef\u4ee5\u7701\u7565\u3002<\/p>\n<h2>\u7f16\u8bd1\u548c\u8fd0\u884cphpPHP\u7a0b\u5e8f\u901a\u8fc7\u79f0\u4e3a\u201c\u8bcd\u6cd5\u5206\u6790\u5668\u201d\u7684\u5de5\u5177\u5bf9PHP\u7a0b\u5e8f\u8fdb\u884c\u89e3\u6790\uff0c\u5c06\u8bed\u6cd5\u5206\u89e3\u4e3a\u591a\u4e2a\u4ee4\u724c\u3002<br \/>\n\u7136\u540e\uff0c\u79f0\u4e3a\u201c\u89e3\u6790\u5668\u201d\u7684\u5de5\u5177\u5c06\u4ee4\u724c\u8f6c\u6362\u4e3a\u64cd\u4f5c\u7801\u3002<br \/>\n\u8fd9\u4e9b\u64cd\u4f5c\u7801\u5c06\u88ab\u6267\u884c\u3002<\/p>\n<h2>\u56de\u58f0\u7684\u673a\u5236echo \u5c06\u8bc4\u4f30\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u5e76\u8fdb\u884c\u8f93\u51fa<br \/>\n\uff08\u56e0\u6b64\uff0c\u4f8b\u5982false\u8fd9\u6837\u7684\u903b\u8f91\u503c\u4e0d\u4f1a\u88ab\u663e\u793a\uff09\uff08\u5c0f\u65701.0\u5c06\u53d8\u4e3a1\uff09<br \/>\n\u203b\u5982\u679c\u60f3\u8981\u663e\u793a\u5c0f\u6570\u70b9\uff0c\u53ef\u4ee5\u4f7f\u7528printf\u65b9\u6cd5<\/p>\n<h2>isset\u548cempty\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u5373\u4fbfempty\u51fd\u6570\u4e2d\u8bbe\u7f6e\u4e860\u3001&#8221;&#8221;\u3001null\uff0c\u4ecd\u4f1a\u88ab\u8bc4\u4f30\u4e3afalse\u3002<br \/>\n\u800cisset\u51fd\u6570\u5219\u4f1a\u5728\u9047\u5230null\u65f6\u8bc4\u4f30\u4e3afalse\u3002<\/p>\n<pre class=\"post-pre\"><code>\u4f8b\uff09\u5909\u6570\u306b\uff10\u304c\u5165\u3063\u3066\u3044\u305f\u5834\u5408\r\nempty\u3060\u3068\u5909\u6570\u306e\u5024\u304c0\u3060\u3068\u7a7a\u3060\u3068\u5224\u65ad\u3055\u308c\u308b\u3002\u3067\u3082isset\u3060\u3068\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3044\u308b\u3068\u5224\u65ad\u3055\u308c\u308b\u3002\r\n<\/code><\/pre>\n<h1>\u9519\u8bef\u76f8\u5173\u9519\u8bef\u5927\u81f4\u53ef\u5206\u4e3a\u4e09\u79cd\u7c7b\u578b\uff1a<br \/>\n1. \u65e0\u6cd5\u7f16\u8bd1\uff08\u505c\u7559\u5728\u6267\u884c\u4e4b\u524d\uff09 \u27a1 \u8bed\u6cd5\u9519\u8bef\uff08syntax error\uff09<br \/>\n2. \u5bfc\u81f4\u7a0b\u5e8f\u505c\u6b62\u6267\u884c\u7684\u9519\u8bef \u27a1 \u81f4\u547d\u9519\u8bef\uff08fatal error\uff09<br \/>\n3. \u7a0b\u5e8f\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\uff0c\u4f46\u4f1a\u51fa\u73b0\u8b66\u544a\u7684\u9519\u8bef \u27a1 \u8b66\u544a\uff08warning\uff09\u3001\u6ce8\u610f\uff08notice\uff09<\/p>\n<p>\uff11\u662f\u7531\u4e8e\u8bed\u6cd5\u9519\u8bef\u7b49\u65e0\u6cd5\u7f16\u8bd1\u7684\u60c5\u51b5\u3002<br \/>\n\uff12\u662f\u5728\u8c03\u7528\u672a\u5b9a\u4e49\u7684\u51fd\u6570\u65f6\u7b49\u3002<br \/>\n\uff13\u662f\u5728\u4f7f\u7528\u672a\u521d\u59cb\u5316\u7684\u53d8\u91cf\u800c\u53d1\u751f\u7684\u60c5\u51b5\u3002<\/p>\n<h3>\u9519\u8bef\u7684\u91cd\u8981\u6027\u6309\u9ad8\u4f4e\u6392\u5e8f\u89e3\u6790\u9519\u8bef<br \/>\n\u81f4\u547d\u9519\u8bef<br \/>\n\u8b66\u544a<br \/>\n\u6ce8\u610f<br \/>\n\u5f03\u7528<\/p>\n<p>\u5f53\u4f7f\u7528\u8fdd\u53cd\u7f16\u7801\u89c4\u8303\u6216\u5373\u5c06\u88ab\u5f03\u7528\u7684\uff08\u4e0d\u63a8\u8350\uff09\u529f\u80fd\u65f6\uff0c\u4f1a\u89e6\u53d1 E_DEPRECATED \u9519\u8bef\u3002<\/p>\n<h2>\u8bb0\u5f55\u65e5\u5fd7\u65e5\u5fd7\u662f\u8bb0\u5f55\u7a0b\u5e8f\u6267\u884c\u5230\u54ea\u4e00\u6b65\u7684\u8bb0\u5f55\u3002\u5f53\u51fa\u73b0\u9519\u8bef\u65f6\uff0c\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u5224\u65ad\u51fa\u9519\u8bef\u51fa\u73b0\u5728\u54ea\u91cc\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"nb\">error_reporting<\/span><span class=\"p\">(<\/span><span class=\"kc\">E_ALL<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/E_STRICT\u30ec\u30d9\u30eb\u4ee5\u5916\u306e\u30a8\u30e9\u30fc\u3092\u5831\u544a\u3059\u308b<\/span>\r\n<span class=\"nb\">ini_set<\/span><span class=\"p\">(<\/span><span class=\"s1\">'display_errors'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'On'<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u753b\u9762\u306b\u30a8\u30e9\u30fc\u3092\u8868\u793a\u3055\u305b\u308b\u304b<\/span>\r\n<span class=\"nb\">ini_set<\/span><span class=\"p\">(<\/span><span class=\"s1\">'log_errors'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'On'<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u30ed\u30b0\u3092\u53d6\u308b\u304b<\/span>\r\n<span class=\"nb\">ini_set<\/span><span class=\"p\">(<\/span><span class=\"s1\">'error_log'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'php.log'<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u30ed\u30b0\u306e\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h2>\u8bf7\u628a\u4f7f\u7528\uff20\u7b26\u53f7\u6765\u9690\u85cf\u9519\u8bef\u4fe1\u606f\u7684\u65b9\u6cd5\u6539\u5199\u6210\u4e2d\u6587\uff1a\u7528\uff20\u7b26\u53f7\u9690\u85cf\u9519\u8bef\u4e0d\u663e\u793a<\/p>\n<p>\u5728PHP\u4e2d\uff0c@\uff08at\u7b26\u53f7\uff09\u662f\u4e00\u4e2a\u9519\u8bef\u63a7\u5236\u8fd0\u7b97\u7b26\uff0c\u653e\u7f6e\u5728\u51fd\u6570\u6216\u53d8\u91cf\u4e4b\u524d\u3002<br \/>\n\u4f7f\u7528@\u7b26\u53f7\u53ef\u4ee5\u963b\u6b62\u5e26\u6709\u8be5\u7b26\u53f7\u7684\u51fd\u6570\u6216\u53d8\u91cf\u8f93\u51fa\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<h1>\u5bf9\u4e8e\u53d8\u91cf\u6765\u8bf4\u5728\u58f0\u660e\u53d8\u91cf\u540d\u4e4b\u524d\u52a0\u4e0a&#8221;$&#8221;\u7b26\u53f7\u3002\u53d8\u91cf\u540d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$a<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<h2>\u53ef\u53d8\u53d8\u91cf\u5728\u53d8\u91cf\u5185\u90e8\u6709\u53d8\u91cf\u5b58\u5728\u7684\u611f\u89c9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"nv\">$a<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$b<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'a'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$$b<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u56e0\u4e3a$b\u88ab\u8bc4\u4f30\u5e76\u542b\u6709\u5b57\u7b26\u4e32&#8221;a&#8221;\uff0c\u6240\u4ee5\u6210\u4e3a&#8221;$a&#8221;\uff0c\u7136\u540e\u518d\u88ab\u8bc4\u4f30\u5e76\u663e\u793a\u5176\u5185\u5bb9\u4e3a&#8221;1&#8243;\u3002<\/p>\n<h2>\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u5728Java\u4e2d\uff0c\u7c7b\u4f3c\u4e8e\u53d8\u91cf\u524d\u9762\u7684protected\u548cprivate\u3002<br \/>\n\u6307\u7684\u662f\u53d8\u91cf\u7684\u53ef\u8bbf\u95ee\u8303\u56f4\u3002<\/p>\n<h3>\u5168\u7403\u8303\u56f4\u5728<!--?php?-->\u5757\u4e2d\u7f16\u5199\u7684\u5185\u5bb9\u53ef\u4ee5\u5728\u5176\u4ed6\u5757\u6216\u6587\u4ef6\u4e2d\u4f7f\u7528\u3002<\/p>\n<h3>\u672c\u5730\u8303\u56f4\u5728\u51fd\u6570\u6216\u7c7b\u7684\u65b9\u6cd5\u5185\u90e8\u58f0\u660e\u7684\u53d8\u91cf\u53ea\u80fd\u5728\u8be5\u8303\u56f4\u5185\u4f7f\u7528\u3002<\/p>\n<h3>\u8d85\u7ea7\u5168\u5c40\u53d8\u91cf\u53ef\u4ee5\u4ece\u4efb\u4f55\u5730\u65b9\u4f7f\u7528\u7684\u53d8\u91cf\u3002\u5728PHP\u6267\u884c\u65f6\u81ea\u52a8\u5b9a\u4e49\u3002<br \/>\nGET\u548cPOST\u7b49\u4e5f\u5c5e\u4e8e\u8fd9\u79cd\u8d85\u7ea7\u5168\u5c40\u53d8\u91cf\u3002<\/p>\n<h2>\u786e\u5b9a\u7684\u6570\u91cf<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">define<\/span><span class=\"p\">(<\/span><span class=\"s1\">'MOMO'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u7518\u3044'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aMOMO\u7684\u5e38\u91cf\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u8868\u793a\u201c\u751c\u201d\u7684\u5b57\u7b26\u4e32\u3002<br \/>\n\u203b\u53ea\u80fd\u5b9a\u4e49\u6574\u6570\u3001\u5c0f\u6570\u548c\u5b57\u7b26\u4e32\u3002\u6570\u7ec4\u548c\u5bf9\u8c61\u4e0d\u53ef\u4ee5\u3002<br \/>\n\u203b\u5e38\u91cf\u540d\u79f0\u533a\u5206\u5927\u5c0f\u5199\u3002<\/p>\n<h2>\u5916\u5f62\u5728PHP\u4e2d\u67098\u79cd\u7c7b\u578b\u3002\u7531\u4e8e\u5b83\u662f\u4e00\u79cd\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u8fd9\u4e9b\u7c7b\u578b\u4f1a\u5728\u65b9\u6cd5\u4e2d\u81ea\u52a8\u8f6c\u6362\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4e86\u89e3\u5728\u4ec0\u4e48\u65f6\u5019\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002<\/p>\n<h3>\u81ea\u52d5\u50b3\u8f38\u30fb\u8bf7\u6ce8\u610f\uff0c\u4ece\u8868\u5355\u8f93\u5165\u7684\u503c\u90fd\u662f\u201c\u5b57\u7b26\u4e32\u201d\u7c7b\u578b\uff01<br \/>\n\u30fb\u5728\u4f7f\u7528if\u8bed\u53e5\u7b49\u8fdb\u884c\u6bd4\u8f83\u65f6\uff0c\u5982\u679c\u5199\u6210\u201c$value = 1\u201d\uff0c\u5219\u4f1a\u81ea\u52a8\u5c06\u5b57\u7b26\u4e32\u5185\u5bb9\u8f6c\u6362\u4e3a\u6574\u6570\u8fdb\u884c\u6bd4\u8f83\uff01<br \/>\n\u30fb\u5728\u8fdb\u884c\u6bd4\u8f83\u65f6\uff0c\u7c7b\u4f3c\u6570\u503c\u7684\u5b57\u7b26\u4e32\u4f1a\u88ab\u81ea\u52a8\u8f6c\u6362\u4e3a\u6570\u503c\u3002<br \/>\n\u203b \u5f53\u4f7f\u7528\u201c==\u201d\u6765\u6bd4\u8f83\u201c012345\u201d\u548c\u201c12345\u201d\u65f6\uff0c\u4f1a\u88ab\u89c6\u4e3a\u201c\u76f8\u540c\u201d\u3002<\/p>\n<h3>\u8bf7\u4f7f\u7528\u672c\u5730\u8bed\u8a00\u7528\u4e00\u79cd\u65b9\u5f0f\u8f6c\u8ff0\u4ee5\u4e0b\u5185\u5bb9\uff1a&#8221;\u30d2\u30a2\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8&#8221;<\/p>\n<p>\u5728\u50a8\u5b58\u957f\u5b57\u7b26\u4e32\u5230\u53d8\u91cf\u65f6\uff0c\u7528&#8221;&#8221;\u6216&#8221;\u5f88\u9ebb\u70e6\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u53ef\u4ee5\u4f7f\u7528\u3002<br \/>\n\u5982\u679c\u5728\u53e5\u5b50\u4e2d\u4f7f\u7528 &#8220;{ }&#8221; \u5c31\u53ef\u4ee5\u5c55\u5f00\u53d8\u91cf\u3002<br \/>\n&#8220;`php<\/p>\n<p>$a = 1;<br \/>\n$value = &lt;&lt; \u3042\u3044\u3046\u3048\u304a \u304b\u304d\u304f\u3051\u3053 {$a} \u3055\u3057\u3059\u305b\u305d\u3002 EOI; ?&gt;<br \/>\n&#8220;`<\/p>\n<p>\u53ea\u8981\u4e0d\u662f\u300cEOI\u300d\u90fd\u53ef\u4ee5\uff0c\u4e0d\u4e00\u5b9a\u8981\u300cEOI\u300d<br \/>\n\u53ea\u8981\u5728\u6709\u5173\u95ed\u65f6\u5e26\u6709\u4efb\u610f\u5b57\u7b26(\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u662f\u300cEOI;\u300d)\u7684\u884c\u4e2d\uff0c\u5982\u679c\u5305\u542b\u5176\u4ed6\u5b57\u7b26\u6216\u7a7a\u683c\u7b49\uff0c\u5c31\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<h3>\u903b\u8f91\u5bfc\u5411\u5e03\u5c14\u503c\u3002\u5904\u7406\u5e03\u5c14\u503c\u7684\u4e8b\u7269\u3002<br \/>\n\u5982\u679c\u5728if\u8bed\u53e5\u7b49\u4e2d\u6bd4\u8f83\u903b\u8f91\u7c7b\u578b\u4e0e\u975e\u903b\u8f91\u7c7b\u578b\uff0c\u4f1a\u81ea\u52a8\u8f6c\u6362\u4e3a\u903b\u8f91\u7c7b\u578b\u5e76\u8fdb\u884c\u6bd4\u8f83\u3002<br \/>\n\u6574\u65700\u3001\u7a7a\u5b57\u7b26\u4e32&#8221;\u3001\u5b57\u7b26\u4e32\u76840\u3001\u5143\u7d20\u6570\u91cf\u4e3a0\u7684\u6570\u7ec4\u3001null\u4e0e\u201cfalse\u201d\u76f8\u540c\u3002<\/p>\n<h3>\u5bf9\u4e0b\u9762\u7684\u53e5\u5b50\u8fdb\u884c\u4e2d\u6587\u672c\u571f\u5316\u7684\u6539\u5199\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u79cd\u9009\u9879\uff1a\u65e0<\/p>\n<p>\u8d4b\u4e88null\u503c\u7684\u5bf9\u8c61\u3001\u6ca1\u6709\u503c\u7684\u5bf9\u8c61\u4ee5\u53ca\u88abunset()\u5904\u7406\u8fc7\u7684\u5bf9\u8c61\u88ab\u79f0\u4e3a&#8221;null&#8221;\u3002<br \/>\n\u542b\u6709null\u503c\u7684\u53d8\u91cf\u88ab\u89c6\u4e3a&#8221;\u5df2\u5b9a\u4e49\u7684\u53d8\u91cf&#8221;\u3002<\/p>\n<h3>\u6587\u5b57\u94fe\u53ef\u4ee5\u7528\u300c\uff0e\u300d\u7b26\u53f7\u8fdb\u884c\u8fde\u7ed3<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$a<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'aiu'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$b<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'eo'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$c<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$a<\/span><span class=\"mf\">.<\/span><span class=\"nv\">$b<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<h1>\u9664\u4e86if\u8bed\u53e5\u4ee5\u5916\u7684\u6761\u4ef6\u63cf\u8ff0\u65b9\u6cd5\u5199\u8d77\u6765\u6bd4\u5199\u4e00\u4e2aif\u8bed\u53e5\u8981\u7b80\u6d01\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$value<\/span> <span class=\"o\">=<\/span> <span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$a<\/span><span class=\"p\">)<\/span> <span class=\"o\">?<\/span> <span class=\"nv\">$a<\/span> <span class=\"o\">:<\/span> <span class=\"s1\">'none'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u53d8\u91cfa\u4e0d\u4e3a\u7a7a\uff0c\u5219\u5c06\u53d8\u91cfa\u8d4b\u503c\u3002\u5982\u679c\u4e3a\u7a7a\uff0c\u5219\u8d4b\u503c\u5b57\u7b26\u4e32&#8221;none&#8221;\u3002<\/p>\n<h3>\u53ef\u4ee5\u7528\u4ee5\u4e0b\u7684\u65b9\u5f0f\u5c06\u9875\u9762\u79fb\u52a8\u3002<br \/>\n\u5fc5\u987b\u5728\u8f93\u51faHTML\u4e4b\u524d\u6267\u884cheader\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Location:\u79fb\u52d5\u5148\u306eURL'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h3>\u5f15\u7528\u5176\u4ed6\u7684php\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>\/\/\u4e00\u5ea6\u304d\u308a\u306e\u8aad\u307f\u8fbc\u307f\u306a\u3089\r\n<span class=\"cp\">&lt;?php include_once('check.php'); ?&gt;<\/span>\r\n\r\n\/\/\u4f55\u5ea6\u3082\u8aad\u307f\u8fbc\u3081\u308b\u3082\u306e\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">include<\/span><span class=\"p\">(<\/span><span class=\"s1\">'check.php'<\/span><span class=\"p\">);<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5176\u4ed6\u8fd8\u6709<\/p>\n<pre class=\"post-pre\"><code>\/\/\u4e00\u5ea6\u304d\u308a\u306e\u8aad\u307f\u8fbc\u307f\u306a\u3089\r\n<span class=\"cp\">&lt;?php require_once('check.php'); ?&gt;<\/span>\r\n\r\n\/\/\u4f55\u5ea6\u3082\u8aad\u307f\u8fbc\u3081\u308b\u3082\u306e\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">require<\/span><span class=\"p\">(<\/span><span class=\"s1\">'check.php'<\/span><span class=\"p\">);<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e2d\u6587\u4e2d\uff0c\u53ef\u4ee5\u8fdb\u884c\u5982\u4e0b\u7684\u7ffb\u8bd1\uff1a<br \/>\n\u5728\u4f7f\u7528`require`\u548c`include`\u8fd9\u4e24\u4e2a\u51fd\u6570\u65f6\uff0c\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\u662f\uff0c\u5f53\u53d1\u751f\u8bfb\u53d6\u9519\u8bef\u65f6\uff0c`require`\u51fd\u6570\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u4e2d\u65ad\u6267\u884c\uff0c\u800c`include`\u51fd\u6570\u53ea\u4f1a\u4ea7\u751f\u8b66\u544a\u4fe1\u606f\uff0c\u800c\u4e0d\u4f1a\u505c\u6b62\u7a0b\u5e8f\u7684\u6267\u884c\u3002<\/p>\n<p>\u53ea\u9700\u52a0\u8f7d\u4e00\u6b21check.php\u3002<br \/>\n\u56e0\u6b64\uff0c\u5982\u679c\u5728\u6bcf\u4e2a\u9875\u9762\u4e0a\u6267\u884c\u76f8\u540c\u7684\u5904\u7406\uff0c\u53ea\u9700\u5728\u4e00\u4e2aPHP\u6587\u4ef6\u4e2d\u7f16\u5199\u8be5\u5904\u7406\uff0c<br \/>\n\u7136\u540e\u5728\u6bcf\u4e2a\u9875\u9762\u4e0a\u52a0\u8f7d\u8be5\u6587\u4ef6\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span> <span class=\"k\">require<\/span><span class=\"p\">(<\/span><span class=\"s1\">'check.php'<\/span><span class=\"p\">);<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u3002\u6211\u4e0d\u592a\u6e05\u695a\u5176\u4e2d\u7684\u533a\u522b\u3002<\/p>\n<h1>\u6392\u5217PHP\u7684\u6570\u7ec4\u6ca1\u6709\u533a\u5206\u54c8\u5e0c\u8868\u6216\u6620\u5c04\u7b49\uff0c\u5b83\u4eec\u5168\u90fd\u662f&#8221;\u5173\u8054\u6570\u7ec4&#8221;\u3002<br \/>\n\u53ef\u4ee5\u5b58\u50a8\u4efb\u4f55\u7c7b\u578b\u7684\u503c\u3002<br \/>\n\u5982\u679c\u952e\u91cd\u590d\uff0c\u5219\u4f1a\u8fdb\u884c\u8986\u76d6\u3002<\/p>\n<h3>\u6570\u7ec4\u7684\u521d\u59cb\u5316 de<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$arr<\/span><span class=\"p\">[];<\/span>\r\n<\/code><\/pre>\n<p>\u6dfb\u52a0\u65b9\u62ec\u53f7\u300c[]\u300d\u540e\uff0c\u8be5\u53d8\u91cf\u4f1a\u4f5c\u4e3a\u4e00\u4e2a\u6570\u7ec4\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/p>\n<h3>\u5404\u79cd\u4e0d\u540c\u7684\u6392\u5217\u65b9\u5f0f<\/p>\n<pre class=\"post-pre\"><code><span class=\"mf\">1.<\/span>\r\n<span class=\"nv\">$array1<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u3042\u3044\u3046\u3048\u304a\"<\/span><span class=\"p\">;<\/span> \r\n<span class=\"nv\">$array1<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u304b\u304d\u304f\u3051\u3053\"<\/span><span class=\"p\">;<\/span> \r\n<span class=\"nv\">$array1<\/span><span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u3055\u3057\u3059\u305b\u305d\"<\/span><span class=\"p\">;<\/span> \r\n\r\n<span class=\"mf\">2.<\/span>\r\n<span class=\"nv\">$array2<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u3042\u3044\u3046\u3048\u304a\"<\/span><span class=\"p\">;<\/span> \r\n<span class=\"nv\">$array2<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u304b\u304d\u304f\u3051\u3053\"<\/span><span class=\"p\">;<\/span> \r\n<span class=\"nv\">$array2<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u3055\u3057\u3059\u305b\u305d\"<\/span><span class=\"p\">;<\/span> \r\n\r\n<span class=\"mf\">3.<\/span>\r\n<span class=\"nv\">$array3<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"\u3042\u3044\u3046\u3048\u304a\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"\u304b\u304d\u304f\u3051\u3053\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"\u3055\u3057\u3059\u305b\u305d\"<\/span><span class=\"p\">);<\/span> \r\n\r\n<span class=\"mf\">4.<\/span>\r\n<span class=\"nv\">$array4<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"a\"<\/span><span class=\"p\">]<\/span>  <span class=\"o\">=<\/span> <span class=\"s2\">\"\u3042\u3044\u3046\u3048\u304a\"<\/span><span class=\"p\">;<\/span> \r\n<span class=\"nv\">$array4<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"ka\"<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u304b\u304d\u304f\u3051\u3053\"<\/span><span class=\"p\">;<\/span> \r\n<span class=\"nv\">$array4<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"sa\"<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u3055\u3057\u3059\u305b\u305d\"<\/span><span class=\"p\">;<\/span> \r\n\r\n<span class=\"mf\">5.<\/span>\r\n<span class=\"nv\">$array5<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span> \r\n                <span class=\"s2\">\"a\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s2\">\"\u3042\u3044\u3046\u3048\u304a\"<\/span><span class=\"p\">,<\/span>  \r\n                <span class=\"s2\">\"ka\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s2\">\"\u304b\u304d\u304f\u3051\u3053\"<\/span><span class=\"p\">,<\/span>  \r\n                <span class=\"s2\">\"sa\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s2\">\"\u3055\u3057\u3059\u305b\u305d\"<\/span> \r\n               <span class=\"p\">);<\/span> \r\n\r\n<\/code><\/pre>\n<h3>\u5411\u6570\u7ec4\u6dfb\u52a0\u6216\u5220\u9664\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$value<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s1\">'a'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'b'<\/span><span class=\"p\">,<\/span><span class=\"mi\">7<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/\u3082\u3057\u304f\u306f<\/span>\r\n<span class=\"o\">&amp;<\/span><span class=\"n\">value<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'d'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nb\">array_push<\/span><span class=\"p\">(<\/span><span class=\"nv\">$value<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'a'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nb\">array_pop<\/span><span class=\"p\">(<\/span><span class=\"nv\">$value<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h3>\u4f7f\u7528\u8fde\u7eed\u6570\u7ec4<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nv\">$items<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u30b1\u30fc\u30ad'<\/span><span class=\"o\">=&gt;<\/span><span class=\"s1\">'\u3042\u307e\u3044'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'\u30ec\u30e2\u30f3'<\/span><span class=\"o\">=&gt;<\/span><span class=\"s1\">'\u3059\u3063\u3071\u3044'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nv\">$items<\/span><span class=\"p\">[<\/span><span class=\"s1\">'\u30b1\u30fc\u30ad'<\/span><span class=\"p\">];<\/span>\r\n<span class=\"c1\">\/\/\u300c\u3042\u307e\u3044\u300d\u304c\u53d6\u308a\u51fa\u3055\u308c\u308b<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$items<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$key<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$value<\/span> <span class=\"p\">{<\/span>\r\n <span class=\"nb\">printf<\/span><span class=\"p\">(<\/span><span class=\"nv\">$key<\/span><span class=\"mf\">.<\/span><span class=\"s1\">'\u306f'<\/span><span class=\"mf\">.<\/span><span class=\"nv\">$value<\/span><span class=\"mf\">.<\/span><span class=\"s1\">'\u3067\u3059'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u83b7\u53d6\u65f6\u95f4<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nb\">date<\/span><span class=\"p\">(<\/span><span class=\"err\">\u2018<\/span><span class=\"nc\">G<\/span><span class=\"err\">\u2019<\/span><span class=\"p\">)<\/span><span class=\"mf\">.<\/span><span class=\"err\">\u2019<\/span><span class=\"n\">\u6642<\/span><span class=\"err\">\u2019<\/span><span class=\"mf\">.<\/span><span class=\"nb\">date<\/span><span class=\"p\">(<\/span><span class=\"err\">\u2018<\/span><span class=\"n\">i<\/span><span class=\"err\">\u2019<\/span><span class=\"p\">)<\/span><span class=\"mf\">.<\/span><span class=\"err\">\u2019<\/span><span class=\"n\">\u5206<\/span><span class=\"err\">\u2019<\/span><span class=\"mf\">.<\/span><span class=\"nb\">date<\/span><span class=\"p\">(<\/span><span class=\"err\">\u2018<\/span><span class=\"n\">s<\/span><span class=\"err\">\u2019<\/span><span class=\"p\">)<\/span><span class=\"mf\">.<\/span><span class=\"err\">\u2019<\/span><span class=\"n\">\u79d2<\/span><span class=\"err\">\u2019<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u53c8\u6216\u8005\u66f4\u7b80\u5355\u4e00\u70b9\uff0c<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"err\">\u2018<\/span><span class=\"n\">\u73fe\u5728\u306f<\/span><span class=\"err\">\u2019<\/span><span class=\"mf\">.<\/span><span class=\"nb\">date<\/span><span class=\"p\">(<\/span><span class=\"err\">\u2018<\/span><span class=\"nc\">G\u6642<\/span><span class=\"err\">\u3000<\/span><span class=\"n\">i\u5206<\/span> <span class=\"n\">s\u79d2<\/span><span class=\"err\">\u2019<\/span><span class=\"p\">)<\/span><span class=\"mf\">.<\/span><span class=\"err\">\u2018<\/span><span class=\"n\">\u3067\u3059<\/span><span class=\"err\">\u2019<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u7528\u4e2d\u56fd\u8bed\u8fdb\u884c\u672c\u5730\u5316\u8bed\u53e5\u7ffb\u8bd1\uff1a<br \/>\n\u4ee5\u8fd9\u79cd\u611f\u89c9\uff0c<br \/>\n\u5c06\u53c2\u6570\u653e\u5165\u65e5\u671f\u4e2d\uff0c\u5982\u201cG\u201d\u6216\u201cM\u201d\uff0c\u5c31\u53ef\u4ee5\u83b7\u53d6\u201c\u5e74\u201d\u6216\u201c\u6708\u201d\u3002<\/p>\n<p>\u5982\u679c\u51fa\u73b0\u8b66\u544a\uff0c\u8bf7\u5728\u4f7f\u7528Date\u4e4b\u524d\u6dfb\u52a0<!--?php date_default_timezone_set('Asia\/Tokyo'); ?-->\uff0c\u56e0\u4e3a\u4ecePHP5.1.0\u5f00\u59cb\u9700\u8981\u8bbe\u7f6e\u65f6\u533a\u3002<\/p>\n<h2>\u5c06\u65f6\u95f4\u8f6c\u6362\u4e3a\u65e5\u672c\u65f6\u95f4\u5c06php.ini\u6587\u4ef6\u4e2d\u7684\u4ee5\u4e0b\u8bbe\u7f6e\u66f4\u6539\u4e3a\uff1a<\/p>\n<p>date.timezone = Asia\/Tokyo<\/p>\n<h1>\u8868\u683c\u76f8\u5173<\/p>\n<h2>\u83b7\u53d6\u8868\u5355\u7684\u503c<\/p>\n<h3>\u83b7\u53d6\u591a\u9009\u590d\u9009\u6846\u548c\u5217\u8868\u6846\u7684\u503c\u3002\u503c\u5b58\u50a8\u5728\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\u201dcheckbox\u201d<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\u201dreserve[]\u201d<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\u201d\u7537\u201d<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\u201dcheckbox\u201d<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\u201dreserve[]\u201d<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\u201d\u5973\u201d<\/span><span class=\"nt\">&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u8fd9\u79cd\u5f62\u5f0f\uff0c\u5c06name\u5c5e\u6027\u8f6c\u5316\u4e3a\u4e00\u4e2a\u6570\u7ec4\uff0c\u5e76\u4ee5\u4e8c\u7ef4\u6570\u7ec4\u7684\u5f62\u5f0f\u83b7\u53d6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'reserve'<\/span><span class=\"p\">][<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span>\r\n<span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'reserve'<\/span><span class=\"p\">][<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<h2>\u5728\u663e\u793a\u8f93\u5165\u5230\u8868\u5355\u4e2d\u7684\u503c\u65f6\u91c7\u53d6\u7684\u5b89\u5168\u63aa\u65bd\u5728\u8868\u5355\u4e2d\u76f4\u63a5\u53d1\u9001\u5305\u542bJavaScript\u7b49\u811a\u672c\u7684\u5185\u5bb9\u4f1a\u5bfc\u81f4\u5176\u88ab\u6267\u884c\uff0c\u9700\u8981\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\u3002\u8fd8\u5fc5\u987b\u6ce8\u610f\u5728\u5355\u9009\u6309\u94ae\u548c\u590d\u9009\u6846\u4e2d\u540c\u6837\u8981\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff01<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$value<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">htmlspecialchars<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'name\u5c5e\u6027\u306e\u540d\u524d'<\/span><span class=\"p\">,<\/span> <span class=\"no\">ENT_QUOTES<\/span><span class=\"p\">,<\/span><span class=\"s1\">'UTF-8'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u300cENT_QUOTES\u300d\u53ef\u4ee5\u8f6c\u6362\u5e76\u907f\u514d\u5355\u5f15\u53f7\u3002\u8fd9\u662f\u4e00\u4e2a\u5e38\u6570\uff0c\u6240\u4ee5\u53ea\u9700\u7b80\u5355\u7684\u201c3\u201d\u5373\u53ef\u3002<\/p>\n<h2>\u68c0\u67e5\u548c\u8f6c\u6362\u8868\u5355\u7684\u503c<\/p>\n<h3>\u68c0\u67e5\u662f\u5426\u4e3a\u534a\u89d2\u7684\u300c\u6570\u5b57\u300d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nb\">is_numeric<\/span><span class=\"p\">(<\/span><span class=\"nv\">$age<\/span><span class=\"p\">)){<\/span>\r\n <span class=\"c1\">\/\/\u51e6\u7406<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5c06\u5168\u89d2\u82f1\u6570\u5b57\u8f6c\u6362\u4e3a\u534a\u89d2\u82f1\u6570\u5b57\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">mb_convert_kana<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">],<\/span><span class=\"s1\">'a'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'UTF-8'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5c06\u300ca\u300d\u53d8\u4e3a\u534a\u89d2\u82f1\u6570\u5b57\u3002\u5c06\u5176\u53d8\u4e3a\u300cn\u300d\uff0c\u53ef\u4ee5\u5c06\u5168\u89d2\u6570\u5b57\u8f6c\u5316\u4e3a\u534a\u89d2\u6570\u5b57\u3002<br \/>\n\u8fd8\u6709\u5176\u4ed6\u7684\u8f93\u5165\u5185\u5bb9\u5728\u300c\u300d\u4e2d\uff0c\u6839\u636e\u8f93\u5165\u5185\u5bb9\u7684\u4e0d\u540c\uff0c\u8f6c\u6362\u7684\u65b9\u5f0f\u4e5f\u4f1a\u4e0d\u540c\uff0c\u4f60\u53ef\u4ee5\u81ea\u5df1\u53bb\u67e5\u4e00\u4e0b\u3002<\/p>\n<h3>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u68c0\u67e5\u7528\u6237\u8f93\u5165\u5185\u5bb9\u662f\u5426\u7b26\u5408\u6b63\u786e\u7684\u683c\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nb\">preg_match<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"\/|A|d<\/span><span class=\"si\">{<\/span><span class=\"nv\">3}\u00a5-\u00a5d{4<\/span><span class=\"si\">}<\/span><span class=\"s2\">\u00a5z\/\"<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$zip<\/span><span class=\"p\">)){<\/span>\r\n <span class=\"c1\">\/\/\u51e6\u7406<\/span>\r\n<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\r\n <span class=\"nv\">$error<\/span><span class=\"p\">[<\/span><span class=\"s1\">'zip'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u90f5\u4fbf\u756a\u53f7\u306e\u5f62\u5f0f\u304c\u9055\u3044\u307e\u3059\u3002\"<\/span><span class=\"p\">;<\/span> \r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u8bb0\u4f4f\u590d\u9009\u6846\u3001\u5355\u9009\u6309\u94ae\u548c\u5217\u8868\u6846\u7684\u503c<\/p>\n<pre class=\"post-pre\"><code>&lt;select name=\"prefecture\" id=\"prefecture\"&gt;\r\n    &lt;option value=\"\"&gt;\u90fd\u9053\u5e9c\u770c\u306e\u9078\u629e&lt;\/option&gt;\r\n    &lt;?php foreach($prf as $key =&gt; $value){ ?&gt;\r\n    &lt;option value=\"&lt;?php print($value); ?&gt;\" &lt;?php if (isset($_POST['prefecture']) &amp;&amp; $_POST['prefecture'] == $value){ print \" selected\"; }?&gt;&gt;&lt;?php print($value); ?&gt;&lt;\/option&gt;\r\n    &lt;?php } ?&gt;\r\n&lt;\/select&gt;&lt;\/td&gt;\r\n<\/code><\/pre>\n<p>\u4ee5\u5982\u4e0b\u65b9\u5f0f\uff0c<br \/>\n\u5982\u679cPOST\u4e2d\u6709\u503c\uff0c\u5e76\u4e14\u8be5\u503c\u4e0e\u6846\u7684value\u76f8\u540c\uff0c\u5219\u6dfb\u52a0\u5c5e\u6027selected\u3002<br \/>\n\u5bf9\u4e8e\u590d\u9009\u6846\u548c\u5355\u9009\u6309\u94ae\uff0c\u53ef\u4ee5\u4f7f\u7528&#8221;checked&#8221;\u4ee3\u66ff&#8221;selected&#8221;\u3002<\/p>\n<h1>\u5c06\u503c\u4f20\u9012\u5230\u4e0b\u4e00\u9875<\/p>\n<h3>\u4f7f\u7528a\u6807\u7b7e\u4f20\u9012<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">&lt;<\/span><span class=\"n\">a<\/span> <span class=\"n\">href<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"hoge.php?text=\"<\/span><span class=\"mf\">.<\/span><span class=\"nb\">urlencode<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u30c6\u30b9\u30c8'<\/span><span class=\"p\">)<\/span><span class=\"mf\">.<\/span><span class=\"s2\">\" \/&gt;\r\n<\/span><\/code><\/pre>\n<h3>\u5728header\u529f\u80fd\u4e2d\u4f20\u9012<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$url<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'negotiate.php?food_id='<\/span><span class=\"mf\">.<\/span><span class=\"nv\">$_GET<\/span><span class=\"p\">[<\/span><span class=\"s1\">'food_id'<\/span><span class=\"p\">];<\/span>\r\n<span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Location:<\/span><span class=\"nv\">$url<\/span><span class=\"s2\">\"<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u203b\u5982\u679c\u5728\u6267\u884cheader\u51fd\u6570\u4e4b\u524d\u5df2\u7ecf\u8f93\u51fa\u4e86\u5b57\u7b26\u4e32\u7b49\uff0c\u5219\u5b83\u5c06\u65e0\u6cd5\u6267\u884c\u3002<br \/>\n\u8bf7\u6ce8\u610f\uff0c\u5728&#8221;Location : $url&#8221;\u4e2d\u4fdd\u7559\u7a7a\u683c\uff0c\u5426\u5219\u5b83\u5c06\u65e0\u6cd5\u6267\u884c\uff01<\/p>\n<h1>\u4f7f\u7528Cookie<\/p>\n<h3>\u4f7f\u7528Cookie\u5c06\u8f93\u5165\u5230\u8868\u5355\u4e2d\u7684\u503c\u4fdd\u7559\u5728\u8bb0\u5fc6\u4e2d<br \/>\n\u7ed9\u4e88cookie\u4e00\u4e2a\u6307\u5b9a\u7684\u65f6\u95f4\uff0c\u5230\u65f6\u95f4\u540e\u5728\u6d4f\u89c8\u5668\u7aef\u4f1a\u88ab\u9500\u6bc1\u3002<br \/>\n\u53ef\u4ee5\u7528\u4e8e\u81ea\u52a8\u767b\u5f55\u529f\u80fd\u4e00\u5468\u7684\u65f6\u95f4\u7b49\u3002<br \/>\n\u3010\u5904\u7406\u987a\u5e8f\u3011<br \/>\n1. \u9996\u5148\uff0c\u786e\u8ba4\u662f\u5426\u5b58\u5728cookie\u3002<br \/>\n2. \u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u4e00\u4e2a\u3002<br \/>\n3. \u5982\u679c\u5b58\u5728\uff0c\u5219\u52a0\u8f7d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/\u30ed\u30b0\u30a4\u30f3\u30d5\u30a9\u30fc\u30e0.php<\/span>\r\n<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_COOKIE<\/span><span class=\"p\">[<\/span><span class=\"s1\">'\u540d\u524d'<\/span><span class=\"p\">])){<\/span>\r\n <span class=\"nv\">$value<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$_COOKIE<\/span><span class=\"p\">[<\/span><span class=\"s1\">'\u540d\u524d'<\/span><span class=\"p\">];<\/span>\r\n<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\r\n\r\n<span class=\"p\">}<\/span>\r\n<span class=\"o\">&lt;<\/span><span class=\"n\">input<\/span> <span class=\"n\">type<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"checkbox\"<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"save\"<\/span> <span class=\"n\">value<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"on\"<\/span> <span class=\"o\">\/&gt;&lt;<\/span><span class=\"n\">label<\/span> <span class=\"k\">for<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"save\"<\/span><span class=\"o\">&gt;<\/span><span class=\"err\">\uff11<\/span><span class=\"n\">\u9031\u9593\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u307e\u307e\u306b\u3059\u308b<\/span><span class=\"o\">&lt;\/<\/span><span class=\"n\">label<\/span><span class=\"o\">&gt;<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30ed\u30b0\u30a4\u30f3\u5f8c\u30d5\u30a9\u30fc\u30e0.php<\/span>\r\n<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$save<\/span> <span class=\"o\">==<\/span> <span class=\"s1\">'on'<\/span><span class=\"p\">){<\/span>\r\n <span class=\"nb\">setcookie<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u30af\u30c3\u30ad\u30fc\u540d'<\/span><span class=\"p\">,<\/span><span class=\"n\">\u4fdd\u5b58\u3059\u308b\u5185\u5bb9<\/span><span class=\"p\">,<\/span><span class=\"n\">\u7834\u68c4\u307e\u3067\u306e\u6642\u9593<\/span><span class=\"err\">\uff08<\/span><span class=\"nb\">time<\/span><span class=\"p\">()<\/span><span class=\"o\">+<\/span><span class=\"mi\">60<\/span><span class=\"o\">*<\/span><span class=\"mi\">60<\/span><span class=\"o\">*<\/span><span class=\"mi\">24<\/span><span class=\"o\">*<\/span><span class=\"mi\">7<\/span><span class=\"err\">\uff09<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\r\n<span class=\"c1\">\/\/\u7a7a\u306e\u5024\u3092\u5165\u308c\u308b\u4e8b\u3067cookie\u3092\u7834\u68c4\u3059\u308b<\/span>\r\n<span class=\"nb\">setcookie<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u30af\u30c3\u30ad\u30fc\u540d'<\/span><span class=\"p\">,<\/span><span class=\"s1\">''<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u5fc5\u987b\u5728\u53d1\u9001\u5934\u90e8\u4e4b\u524d\u8bbe\u7f6e\u300csetcookie\u300d\uff0c\u5426\u5219\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<br \/>\n\u65f6\u95f4\u5c06\u53d8\u4e3a 60 \u79d2 \u00d7 60 \u5206\u949f \u00d7 24 \u5c0f\u65f6 \u00d7 7 \u5929\uff0c\u5373\u4e3a\u4e00\u5468\u3002<\/p>\n<h1>\u4f7f\u7528\u4f1a\u8bdd\uff08SESSION\uff09\u4f1a\u8bdd\u673a\u5236\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u5173\u95ed\u524d\u4fdd\u5b58\u6570\u636e\uff0c\u53ef\u4ee5\u7528\u4e8e\u8bb0\u4f4f\u4f1a\u5458\u6ce8\u518c\u65f6\u7684\u8868\u5355\u6570\u636e\u7b49\u3002\u901a\u8fc7\u4f7f\u7528 cookie\uff0c\u4f20\u9012 ID \u5e76\u5728\u4e0b\u6b21\u8bbf\u95ee\u65f6\u6839\u636e\u8be5 ID \u68c0\u7d22\u6570\u636e\u3002\u5982\u679c\u5173\u95ed\u4e86 cookie\uff0c\u5c31\u65e0\u6cd5\u4f7f\u7528\u8be5\u529f\u80fd\uff01<\/p>\n<pre class=\"post-pre\"><code>\uff11\uff0e\u30bb\u30c3\u30b7\u30e7\u30f3\u30b9\u30bf\u30fc\u30c8\u3059\u308b\uff08session_start();\uff09\r\n\uff12\uff0e\u30bb\u30c3\u30b7\u30e7\u30f3\uff08\u4f8b\u3048\u3070\u3001$_SESSION[\u2018counter\u2019]\uff09\u304c\u3042\u308b\u304b\u3069\u3046\u304b\uff08isset\u3067\u8abf\u3079\u308b\uff09\r\n\uff13\uff0e\u306a\u3051\u308c\u3070\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4f5c\u308b\uff08$_SESSION[\u2018counter\u2019]=0\u306a\u3069\u3068\u3057\u3066\uff09\r\n\uff14\uff0e\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u306a\u3051\u308c\u3070\u524a\u9664\u3059\u308b\u3002\uff08session_unset();\uff09\r\n<\/code><\/pre>\n<p>\u5982\u679c\u60f3\u7701\u7565\u6bcf\u4e00\u9875\u5f00\u59cb\u4f1a\u8bdd\u5e76\u63d0\u53d6\u6570\u636e\u7684\u6b65\u9aa4\uff0c\u9700\u8981\u4fee\u6539php.ini\u6587\u4ef6\u3002<br \/>\n\u5982\u679c\u5728\u4e0d\u540c\u7684\u7535\u8111\u4e0a\u8bfb\u53d6\u4f1a\u8bddID\uff0c\u90a3\u4e48\u53ef\u4ee5\u4f7f\u7528\u8be5ID\u6765\u83b7\u53d6\u6570\u636e\uff0c\u6240\u4ee5\u9700\u8981\u68c0\u67e5IP\u5730\u5740\u548c\u6d4f\u89c8\u5668\u7c7b\u578b\u6765\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u548c\u786e\u8ba4\u3002<\/p>\n<h1>\u8bbf\u95ee\u6570\u636e\u5e93\u5728PHP\u4e2d\uff0c\u8bbf\u95eeMySQL\u6570\u636e\u5e93\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5982\u4f7f\u7528PEAR DB\u3001PEAR MDB\u3001PEAR MDB2\u3001MySQL\u6269\u5c55\u6a21\u5757\u3001mySQLi\u3001PDO\u7b49\u3002<\/p>\n<h2>\u4f7f\u7528PDO\u7684MySQLPdo\u548cJava\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u5728\u4f7f\u7528PostgreSQL\u6216MySQL\u7b49\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u5e93\u65f6\uff0c\u4ee5\u76f8\u540c\u7684\u683c\u5f0f\u7f16\u5199\u5e76\u8f6c\u6362\u6210\u67e5\u8be2\u8bed\u53e5\u3002<br \/>\n\u8981\u5728Windows\u4e0a\u4f7f\u7528\uff0c\u9700\u8981\u8fdb\u884cphp.ini\u7684\u8bbe\u7f6e\u3002<br \/>\n\u8981\u4f7f\u7528Pdo\uff0c\u9700\u521b\u5efapdo\u7c7b\u7684\u5bf9\u8c61\u5e76\u8fdb\u884c\u8c03\u7528\u3002<\/p>\n<h2>\u8fde\u63a5\u81f3\u6570\u636e\u5e93<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$dsn<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'mysql:dbname=test;host=localhost;charset=utf8'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$user<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'root'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$password<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$options<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"c1\">\/\/ SQL\u5b9f\u884c\u5931\u6557\u6642\u306b\u4f8b\u5916\u3092\u30b9\u30ed\u30fc<\/span>\r\n        <span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">ATTR_ERRMODE<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">ERRMODE_EXCEPTION<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"c1\">\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u30d5\u30a7\u30c3\u30c1\u30e2\u30fc\u30c9\u3092\u9023\u60f3\u914d\u5217\u5f62\u5f0f\u306b\u8a2d\u5b9a<\/span>\r\n        <span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">ATTR_DEFAULT_FETCH_MODE<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">FETCH_ASSOC<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"c1\">\/\/ \u30d0\u30c3\u30d5\u30a1\u30fc\u30c9\u30af\u30a8\u30ea\u3092\u4f7f\u3046(\u4e00\u5ea6\u306b\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u3059\u3079\u3066\u53d6\u5f97\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u8ca0\u8377\u3092\u8efd\u6e1b)<\/span>\r\n        <span class=\"c1\">\/\/ SELECT\u3067\u5f97\u305f\u7d50\u679c\u306b\u5bfe\u3057\u3066\u3082rowCount\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308b<\/span>\r\n        <span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">MYSQL_ATTR_USE_BUFFERED_QUERY<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ PDO\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210<\/span>\r\n<span class=\"nv\">$dbh<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">PDO<\/span><span class=\"p\">(<\/span><span class=\"nv\">$dsn<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$user<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$password<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$options<\/span><span class=\"p\">);<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6587\u5b57\u7f16\u7801\u5e94\u8be5\u662f\u201cutf8\u201d\u800c\u4e0d\u662f\u201cUTF-8\u201d\u3002<\/p>\n<h2>\u521b\u5efaSQL\u67e5\u8be2<\/p>\n<pre class=\"post-pre\"><code>$stmt = $db-&gt;prepare('INSERT INTO message (name,body) VALUES (:name,:comment)');\r\n<\/code><\/pre>\n<h2>\u5728\u5360\u4f4d\u7b26\u4e2d\u8bbe\u7f6e\u503c<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$stmt<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">bindParam<\/span><span class=\"p\">(<\/span><span class=\"s1\">':name'<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$name<\/span><span class=\"p\">,<\/span> <span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">PARAM_STR<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$stmt<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">bindParam<\/span><span class=\"p\">(<\/span><span class=\"s1\">':comment'<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$comment<\/span><span class=\"p\">,<\/span> <span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">PARAM_STR<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>\u6267\u884cSQL\u8bed\u53e5<\/p>\n<pre class=\"post-pre\"><code>$stmt-&gt;execute(array($username,$message));\r\n<\/code><\/pre>\n<h2>\u9010\u4e00\u5904\u7406\u6bcf\u4e2a\u7ed3\u679c<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">while<\/span><span class=\"p\">(<\/span><span class=\"nv\">$row<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$stmt<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">fetch<\/span><span class=\"p\">(<\/span><span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">FETCH_ASSOC<\/span><span class=\"p\">)){<\/span>\r\n   <span class=\"c1\">\/\/\u51e6\u7406\u5185\u5bb9<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5173\u95ed\u6570\u636e\u5e93\u5728PHP\u811a\u672c\u7ed3\u675f\u65f6\uff0c\u6570\u636e\u5e93\u8fde\u63a5\u5c06\u88ab\u5173\u95ed\uff0c\u4f46\u5982\u679c\u9700\u8981\u660e\u786e\u5173\u95ed\uff0c\u5219\u5c06NULL\u8d4b\u503c\u7ed9\u521b\u5efa\u7684PDO\u7c7b\u5bf9\u8c61\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$dbh<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<h2>\u5199SQL\u6587\u5e76\u6267\u884c\u5904\u7406\u3002\u8981\u5411\u6570\u636e\u5e93\u53d1\u9001\u4e00\u6b21\u6027\u4f7f\u7528\u7684SQL\u8bed\u53e5\uff0c\u53ef\u4ee5\u4f7f\u7528PDO\u7c7b\u4e2d\u63d0\u4f9b\u7684&#8221;query&#8221;\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$sql<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'select id, name from shouhin'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$stmt<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$dbh<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">query<\/span><span class=\"p\">(<\/span><span class=\"nv\">$sql<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>\u7528\u4e8e\u4f7f\u7528preparedstatement\u7684SQL\u8bed\u53e5\u3002\u7d93\u5e38\u4f7f\u7528\u7684SQL\u8a9e\u53e5\u53ef\u4ee5\u5148\u5275\u5efa\u4e00\u500b\u88ab\u7a31\u70ba&#8221;\u9810\u8655\u7406\u8a9e\u53e5&#8221;\u7684SQL\u8a9e\u53e5\u6a21\u677f\uff0c\u7136\u5f8c\u518d\u586b\u5165\u6578\u503c\u9032\u884c\u57f7\u884c\u3002<br \/>\n\u586b\u5165\u6578\u503c\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a\u4e00\u7a2e\u662f\u4f7f\u7528&#8221;?&#8221;\u5360\u4f4d\u7b26\uff0c\u53e6\u4e00\u7a2e\u662f\u4f7f\u7528\u547d\u540d\u53c3\u6578\uff08\u5982&#8221;:name&#8221;\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$sql<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'select id, name from mypdo where id &gt; ? AND id &lt; ?'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$stmt<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$dbh<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">prepare<\/span><span class=\"p\">(<\/span><span class=\"nv\">$sql<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$stmt<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">execute<\/span><span class=\"p\">(<\/span><span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$sql<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'select id, name from mypdo where id &gt; :kagen AND id &lt; :jyougen'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$stmt<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$dbh<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">prepare<\/span><span class=\"p\">(<\/span><span class=\"nv\">$sql<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$stmt<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">execute<\/span><span class=\"p\">(<\/span><span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s1\">':kagen'<\/span><span class=\"o\">=&gt;<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"s1\">':jyougen'<\/span><span class=\"o\">=&gt;<\/span><span class=\"mi\">4<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<h2>\u901a\u8fc7SELECT\u8bed\u53e5\u68c0\u7d22\u7ed3\u679c\u3002<br \/>\n\u5982\u679c\u6307\u5b9aPDO::FETCH_NUM\uff0c\u5219\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>$sql = 'select id, name from shouhin';\r\n$stmt = $dbh-&gt;query($sql);\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$stmt<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">fetch<\/span><span class=\"p\">(<\/span><span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">FETCH_ASSOC<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nv\">$result<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]);<\/span>\r\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nv\">$result<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]);<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6307\u5b9aPDO::FETCH_ASSOC\uff0c\u5c06\u4f1a\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$sql<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'select id, name from shouhin'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$stmt<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$dbh<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">query<\/span><span class=\"p\">(<\/span><span class=\"nv\">$sql<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$stmt<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">fetch<\/span><span class=\"p\">(<\/span><span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">FETCH_ASSOC<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nv\">$result<\/span><span class=\"p\">[<\/span><span class=\"s1\">'id'<\/span><span class=\"p\">]);<\/span>\r\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nv\">$result<\/span><span class=\"p\">[<\/span><span class=\"s1\">'name'<\/span><span class=\"p\">]);<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6307\u5b9a\u4e86PDO::FETCH_BOTH\uff08\u6216\u8005\u7701\u7565\u4e86\u53c2\u6570\uff09\uff0c\u4e24\u79cd\u683c\u5f0f\u90fd\u53ef\u4ee5\u4f7f\u7528\u3002<\/p>\n<h2>\u4f7f\u7528\u83b7\u53d6\u5230\u7684\u6570\u636e\u8fdb\u884c\u63d0\u53d6\u5e76\u5728\u5faa\u73af\u4e2d\u4f7f\u7528<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span> <span class=\"k\">while<\/span><span class=\"p\">(<\/span><span class=\"nv\">$table2<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$stmt2<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">fetch<\/span><span class=\"p\">(<\/span><span class=\"no\">PDO<\/span><span class=\"o\">::<\/span><span class=\"no\">FETCH_ASSOC<\/span><span class=\"p\">)){<\/span> <span class=\"cp\">?&gt;<\/span>\r\n\r\n\u5185\u5bb9\r\n\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"p\">}<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h2>\u83b7\u53d6\u901a\u8fc7INSERT\u63d2\u5165\u7684\u6570\u636e\u7684ID<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$id<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$stmt<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">lastInsertId<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<h2>\u7ed9\u8fd9\u4e2a\u9875\u9762\u6dfb\u52a0\u5206\u9875\u529f\u80fd<br \/>\n\u5982\u679c\u5728SELECT\u67e5\u8be2\u7684\u672b\u5c3e\u52a0\u4e0a\u201cLIMIT 10\u201d\u7684\u5f62\u5f0f\uff0c\u6bcf\u9875\u663e\u793a\u7684\u8bb0\u5f55\u6570\u5c06\u53d8\u4e3a10\u6761\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"nv\">$page<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$_GET<\/span><span class=\"p\">[<\/span><span class=\"s1\">'page'<\/span><span class=\"p\">];<\/span>\r\n<span class=\"c1\">\/\/\u6700\u521d\u306e\u30da\u30fc\u30b8\u3067\uff11\uff10\u4ef6\u8868\u793a\u3055\u305b\u308b\u305f\u3081<\/span>\r\n<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$page<\/span> <span class=\"o\">==<\/span> <span class=\"s1\">''<\/span><span class=\"p\">){<\/span>\r\n  <span class=\"nv\">$page<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"nv\">$page<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">max<\/span><span class=\"p\">(<\/span><span class=\"nv\">$page<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>  <span class=\"c1\">\/\/max\u306f\u3069\u3063\u3061\u304b\u5927\u304d\u3044\u65b9\u3092\u8fd4\u3059\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u3002\u3053\u306e\u5834\u5408\uff11\u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\uff11\u304c\u8fd4\u308b\u3002<\/span>\r\n<span class=\"c1\">\/\/\u6700\u7d42\u30da\u30fc\u30b8\u3092\u53d6\u5f97\u3059\u308b<\/span>\r\n<span class=\"nv\">$sql<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'SELECT COUNT(*) AS cnt FROM \u30c6\u30fc\u30d6\u30eb\u540d'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$stmt<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$dbh<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">prepare<\/span><span class=\"p\">(<\/span><span class=\"nv\">$sql<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$table<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">mysql_fetch_assoc<\/span><span class=\"p\">(<\/span><span class=\"nv\">$stmt<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$maxPage<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">ceil<\/span><span class=\"p\">(<\/span><span class=\"nv\">$table<\/span><span class=\"p\">[<\/span><span class=\"s1\">'cnt'<\/span><span class=\"p\">]<\/span> <span class=\"o\">\/<\/span> <span class=\"mi\">10<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$page<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">min<\/span><span class=\"p\">(<\/span><span class=\"nv\">$page<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$maxPage<\/span><span class=\"p\">);<\/span>  <span class=\"c1\">\/\/\u7aef\u6570\u304c\u51fa\u3066\u3082\u5207\u308a\u4e0a\u3052\u3055\u305b\u308b\u30022.4\u30da\u30fc\u30b8\u27a13\u30da\u30fc\u30b8\u306b\u306a\u308b\u3002<\/span>\r\n\r\n<span class=\"nv\">$start<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$page<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">10<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$sql<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'SELECT * FROM \u30c6\u30fc\u30d6\u30eb\u540d ORDER BY date LIMIT'<\/span><span class=\"mf\">.<\/span><span class=\"nv\">$start<\/span><span class=\"mf\">.<\/span><span class=\"s1\">',10'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"cp\">?&gt;<\/span>\r\n\r\n\/\/html\u90e8\u5206\r\n\/\/1\u30da\u30fc\u30b8\u76ee\u306a\u3089\u524d\u30da\u30fc\u30b8\u3078\u306f\u51fa\u3055\u305a\u3001max\u30da\u30fc\u30b8\u306a\u3089\u6b21\u3078\u30da\u30fc\u30b8\u306f\u51fa\u3055\u306a\u3044\u3088\u3046\u306b\u3059\u308b\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$page<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">1<\/span><span class=\"p\">){<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<span class=\"nt\">&lt;a<\/span> <span class=\"na\">href=<\/span><span class=\"s\">\"\u73fe\u5728\u306e\u30da\u30fc\u30b8\u30d1\u30b9?page=<\/span><span class=\"cp\">&lt;?php<\/span> <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nv\">$page<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span> <span class=\"cp\">?&gt;<\/span><span class=\"s\">\"<\/span><span class=\"nt\">&gt;<\/span>\u524d\u306e\u30da\u30fc\u30b8\u3078<span class=\"nt\">&lt;\/a&gt;<\/span>\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"p\">}<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$page<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nv\">$maxPage<\/span><span class=\"p\">){<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<span class=\"nt\">&lt;a<\/span> <span class=\"na\">href=<\/span><span class=\"s\">\"\u73fe\u5728\u306e\u30da\u30fc\u30b8\u30d1\u30b9?page=<\/span><span class=\"cp\">&lt;?php<\/span> <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nv\">$page<\/span> <span class=\"o\">+<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span> <span class=\"cp\">?&gt;<\/span><span class=\"s\">\"<\/span><span class=\"nt\">&gt;<\/span>\u6b21\u306e\u30da\u30fc\u30b8\u3078<span class=\"nt\">&lt;\/a&gt;<\/span>\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"p\">}<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>LIMIT\u53ef\u4ee5\u9010\u6e10\u589e\u52a0\u4e3a\u300c1,5\u300d\u3001\u300c5,5\u300d\u3001\u300c10,5\u300d\uff0c\u7528\u4e8e\u6307\u5b9a\u8981\u663e\u793a\u7684\u9879\u76ee\u6570\u91cf\u3002<\/p>\n<h1>\u6587\u672c\u5b57\u7b26\u4e32\u5904\u7406<\/p>\n<h2>\u526a\u5207\u6587\u5b57<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$text<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'abcdef'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">substr<\/span><span class=\"p\">(<\/span><span class=\"nv\">$text<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">2<\/span><span class=\"p\">);<\/span>    <span class=\"c1\">\/\/ \"ef\" \u3092\u8fd4\u3059<\/span>\r\n<span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">substr<\/span><span class=\"p\">(<\/span><span class=\"nv\">$text<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ \"d\" \u3092\u8fd4\u3059<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u7528\u300c-\uff08\u51cf\u53f7\uff09\u300d\u6765\u6307\u5b9a\uff0c\u5219\u4ece\u540e\u9762\u53d6\u51fa\u591a\u5c11\u4e2a\u5b57\u7b26\u3002<br \/>\n\u5982\u679c\u6307\u5b9a\u4e86\u4e24\u4e2a\u53c2\u6570\uff0c\u5219\u53d6\u51fa\u4ece\u7b2c\u51e0\u4e2a\u5b57\u7b26\u5f00\u59cb\u548c\u591a\u5c11\u4e2a\u5b57\u7b26\u3002<\/p>\n<h2>\u5c06\u6587\u672c\u8fdb\u884c\u622a\u65ad\uff08\u8d85\u8fc7\u6307\u5b9a\u5b57\u7b26\u6570\u7684\u90e8\u5206\u5c06\u88ab\u7701\u7565\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">mb_strimwidth<\/span><span class=\"p\">(<\/span><span class=\"nv\">$a<\/span><span class=\"p\">,<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span><span class=\"mi\">10<\/span><span class=\"p\">,<\/span><span class=\"s1\">'...'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'UTF-8'<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e2d\u6587\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5728\u53d8\u91cfa\u4e2d\u663e\u793a\u5b57\u7b26\u4e32\u4ece0\u523010\uff08\u6bcf\u4e24\u4e2a\u5b57\u7b26\u7b97\u4f5c\u4e00\u4e2a\u5b57\u7b26\uff09\uff0c\u5e76\u5c06\u8d85\u8fc7\u8fd9\u4e2a\u8303\u56f4\u7684\u5b57\u7b26\u663e\u793a\u4e3a&#8221;..&#8221;\u3002<br \/>\n\u5982\u679c\u51fa\u73b0\u4e71\u7801\uff0c\u5219\u5728\u6700\u540e\u6dfb\u52a0\u5b57\u7b26\u7f16\u7801\u3002<br \/>\n\u8bf7\u6ce8\u610f\uff0c\u4e0eMysql\u4e0d\u540c\uff0c\u6211\u4eec\u8981\u5199\u4f5c&#8217;UTF-8&#8217;\uff08\u4e0d\u8981\u5fd8\u8bb0\u5f15\u53f7\uff0c\u4e14\u8981\u5927\u5199\uff09\u3002<\/p>\n<h1>\u6587\u4ef6\u64cd\u4f5c<\/p>\n<h3>\u6587\u4ef6\u8bfb\u53d6<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">file_get_contents<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"\u8aad\u307f\u8fbc\u3080\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u305d\u306e\u307e\u307e\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u304c\u898b\u308c\u308b<\/span>\r\n<\/code><\/pre>\n<h3>\u5982\u679c\u540c\u65f6\u8fdb\u884c\u8bfb\u53d6\u548c\u663e\u793a<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">readfile<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"\u30d1\u30b9\"<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h3>\u5c06\u4fe1\u606f\u6dfb\u52a0\u5230\u6587\u4ef6\u4e2d<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">file_get_contents<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u8aad\u307f\u8fbc\u3080\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9'<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/get\u3067\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u3093\u3067<\/span>\r\n<span class=\"nv\">$data<\/span> <span class=\"mf\">.<\/span><span class=\"o\">=<\/span> <span class=\"s1\">'\u5185\u5bb9'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/data\u306b\u8ffd\u8a18\u3057\u3066<\/span>\r\n<span class=\"nb\">file_put_contents<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u66f8\u304d\u8fbc\u3080\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9'<\/span><span class=\"p\">,<\/span><span class=\"nv\">$data<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/put\u3057\u3066\u4fdd\u5b58\u3059\u308b<\/span>\r\n<\/code><\/pre>\n<h3>\u8bfb\u53d6\u7528\u4e8eRSS\u3001WebAPI\u7b49\u7684XML\u6587\u4ef6\u3002\u203b \u81ea\u4ecePHP5\u5f00\u59cb\u53ef\u7528\u7684\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$xml<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">simplexml_load_file<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u8aad\u307f\u8fbc\u3080xml\u30d5\u30a1\u30a4\u30eb\u306eURL'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/\u4eca\u56de\u306e\u5834\u5408\u3001\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u5165\u308c\u5b50\u306b\u306a\u3063\u305f\u8981\u7d20\u3092\u6307\u5b9a\u3057\u3066\u308b<\/span>\r\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$xml<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">channnel<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">item<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$item<\/span><span class=\"p\">){<\/span>\r\n<span class=\"c1\">\/\/\u51e6\u7406\u5185\u5bb9<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<h3>\u6587\u4ef6\u5199\u5165<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$success<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">file_put_contents<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u66f8\u304d\u8fbc\u3080\u30d1\u30b9'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u66f8\u304d\u8fbc\u3080\u5185\u5bb9'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5bc6\u7801\u7b49\u91cd\u8981\u6587\u4ef6\u88ab\u770b\u5230\u4f1a\u6709\u9ebb\u70e6\uff0c\u9700\u8981\u5c06\u5176\u653e\u7f6e\u5728\u6587\u6863\u6839\u76ee\u5f55\uff08\u5982httpdocs\uff0chtdocs\u7b49\uff09\u4e4b\u5916\u3002\uff08\u56e0\u4e3a\u901a\u8fc7URL\u53ef\u4ee5\u67e5\u770b\uff09<\/p>\n<h2>\u4e0a\u4f20\u56fe\u50cf\u6587\u4ef6\u7b49\u6570\u636e<\/p>\n<h3>\u63a5\u6536\u4e0a\u4f20\u7684\u56fe\u50cf<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/1.\u30d5\u30a9\u30fc\u30e0\u3092\u7528\u610f\uff08method\u306f\u5fc5\u305apost\u3002enctype\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3059\u308b\uff09<\/span>\r\n<span class=\"o\">&lt;<\/span><span class=\"n\">form<\/span> <span class=\"n\">action<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"\"<\/span> <span class=\"n\">method<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"post\"<\/span> <span class=\"n\">enctype<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"multipart\/form-data\"<\/span><span class=\"o\">&gt;<\/span>\r\n\r\n<span class=\"c1\">\/\/2.\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u3089\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u53d7\u4fe1<\/span>\r\n<span class=\"nv\">$file<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$_FILES<\/span><span class=\"p\">[<\/span><span class=\"s1\">'my_img'<\/span><span class=\"p\">];<\/span>\r\n\r\n<span class=\"c1\">\/\/3.\u53d7\u4fe1\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u3044\u308d\u3044\u308d\u306a\u60c5\u5831\u304c\u53d6\u308c\u308b\u306e\u3067\u3001\u3044\u308d\u3044\u308d\u3084\u308b<\/span>\r\n<span class=\"nv\">$file<\/span><span class=\"p\">[<\/span><span class=\"s1\">'name'<\/span><span class=\"p\">]<\/span> <span class=\"c1\">\/\/\u30d5\u30a1\u30a4\u30eb\u540d<\/span>\r\n<span class=\"nv\">$file<\/span><span class=\"p\">[<\/span><span class=\"s1\">'type'<\/span><span class=\"p\">]<\/span> <span class=\"c1\">\/\/\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\uff08\u62e1\u5f35\u5b50\uff09 \u203b\u30a2\u30d0\u30a6\u30c8\u306a\u306e\u3067\u62e1\u5f35\u5b50\u5224\u5b9a\u306b\u306f\u4f7f\u308f\u306a\u3044\u65b9\u304c\u3044\u3044<\/span>\r\n<span class=\"nv\">$file<\/span><span class=\"p\">[<\/span><span class=\"s1\">'tmp_name'<\/span><span class=\"p\">]<\/span> <span class=\"c1\">\/\/\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u305f\u4e00\u6642\u4fdd\u7ba1\u30d5\u30a1\u30a4\u30eb\u5834\u6240<\/span>\r\n<span class=\"nv\">$file<\/span><span class=\"p\">[<\/span><span class=\"s1\">'error'<\/span><span class=\"p\">]<\/span> <span class=\"c1\">\/\/\u30a8\u30e9\u30fc\u5185\u5bb9<\/span>\r\n<span class=\"nv\">$file<\/span><span class=\"p\">[<\/span><span class=\"s1\">'size'<\/span><span class=\"p\">]<\/span> <span class=\"c1\">\/\/\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/span>\r\n\r\n<span class=\"c1\">\/\/4.\u81ea\u5206\u306e\u30b5\u30fc\u30d0\u3078\u9001\u308b<\/span>\r\n<span class=\"nv\">$filepath<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'\u9001\u308a\u5148\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nb\">move_uploaded_file<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">[<\/span><span class=\"s1\">'tmp_name'<\/span><span class=\"p\">],<\/span><span class=\"s1\">'\/picture\/'<\/span><span class=\"mf\">.<\/span><span class=\"nv\">$filepath<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u79fb\u52d5\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3068\u79fb\u52d5\u5148\u30d1\u30b9<\/span>\r\n<span class=\"c1\">\/\/\u4e0a\u306e\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u7d50\u679c\u306fboolean\u5024\u3067\u8fd4\u3063\u3066\u304f\u308b<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u79fb\u52a8\u56fe\u7247\u6587\u4ef6<br \/>\n\u5f53\u4ece\u8868\u5355\u754c\u9762\u8f6c\u5230\u786e\u8ba4\u754c\u9762\u65f6\uff0c\u4f1a\u5c06\u6307\u5b9a\u7684\u56fe\u7247\u4ece\u4e34\u65f6\u5b58\u50a8\u79fb\u52a8\u5230\u670d\u52a1\u5668\uff0c\u4f46\u5982\u679c\u5728\u786e\u8ba4\u754c\u9762\u4e0a\u6309\u4e0b\u201c\u8fd4\u56de\u201d\u6309\u94ae\uff0c\u5219\u6587\u4ef6\u4f1a\u6b8b\u7559\u4e0b\u6765\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u5148\u5c06\u56fe\u7247\u4ece\u4e34\u65f6\u5b58\u50a8\u79fb\u52a8\u5230\u670d\u52a1\u5668\u4e0a\u7684\u4e34\u65f6\u5b58\u50a8\uff0c\u7136\u540e\u5728\u5b8c\u6210\u6ce8\u518c\u65f6\u5c06\u5176\u4ece\u670d\u52a1\u5668\u4e34\u65f6\u5b58\u50a8\u79fb\u52a8\u5230\u670d\u52a1\u5668\u7684\u56fe\u50cf\u6587\u4ef6\u5939\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u6309\u4e0b\u8fd4\u56de\u6309\u94ae\u65f6\u5220\u9664\u670d\u52a1\u5668\u4e34\u65f6\u5b58\u50a8\u6587\u4ef6\u4e2d\u7684\u56fe\u7247\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">rename<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"\/tmp\/file.txt\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"\/home\/hoge\/dir\/file.txt\"<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u5c06\u539f\u59cb\u8def\u5f84\u548c\u76ee\u6807\u8def\u5f84\u653e\u5165\u3002<\/p>\n<pre class=\"post-pre\"><code>$(\"#form_email\").keyup(function(){\r\n            var email = $('#form_email').val();\r\n            $.ajax({\r\n              type: \"POST\",\r\n              url: \"json.php\",\r\n              data: 'email='+email,\r\n              \/\/\u6210\u529f\u6642\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\r\n              success: function (data, textStatus, xhr) {\r\n                if(data[0].count == 0){\r\n                    $(\"#email_rst\").text('OK');\r\n                }else{\r\n                    $(\"#email_rst\").text('NG');\r\n                }\r\n              }\r\n            });\r\n        });\r\n<\/code><\/pre>\n<h1>\u5236\u4f5c\u65e5\u5386<\/p>\n<pre class=\"post-pre\"><code>\r\n&lt;?php\r\n\r\n\/\/ \u73fe\u5728\u306e\u5e74\u6708\u3092\u53d6\u5f97\r\n$year = date('Y');\r\n$month = date('n');\r\n\r\n\/\/ \u6708\u672b\u65e5\u3092\u53d6\u5f97\r\n$last_day = date('j', mktime(0, 0, 0, $month + 1, 0, $year));\r\n\r\n$calendar = array();\r\n$j = 0;\r\n\r\n\/\/ \u6708\u672b\u65e5\u307e\u3067\u30eb\u30fc\u30d7\r\nfor ($i = 1; $i &lt; $last_day + 1; $i++) {\r\n\r\n    \/\/ \u66dc\u65e5\u3092\u53d6\u5f97\r\n    $week = date('w', mktime(0, 0, 0, $month, $i, $year));\r\n\r\n    \/\/ 1\u65e5\u306e\u5834\u5408\r\n    if ($i == 1) {\r\n\r\n        \/\/ 1\u65e5\u76ee\u306e\u66dc\u65e5\u307e\u3067\u3092\u30eb\u30fc\u30d7\r\n        for ($s = 1; $s &lt;= $week; $s++) {\r\n\r\n            \/\/ \u524d\u534a\u306b\u7a7a\u6587\u5b57\u3092\u30bb\u30c3\u30c8\r\n            $calendar[$j]['day'] = '';\r\n            $j++;\r\n\r\n        }\r\n\r\n    }\r\n\r\n    \/\/ \u914d\u5217\u306b\u65e5\u4ed8\u3092\u30bb\u30c3\u30c8\r\n    $calendar[$j]['day'] = $i;\r\n    $j++;\r\n\r\n    \/\/ \u6708\u672b\u65e5\u306e\u5834\u5408\r\n    if ($i == $last_day) {\r\n\r\n        \/\/ \u6708\u672b\u65e5\u304b\u3089\u6b8b\u308a\u3092\u30eb\u30fc\u30d7\r\n        for ($e = 1; $e &lt;= 6 - $week; $e++) {\r\n\r\n            \/\/ \u5f8c\u534a\u306b\u7a7a\u6587\u5b57\u3092\u30bb\u30c3\u30c8\r\n            $calendar[$j]['day'] = '';\r\n            $j++;\r\n\r\n        }\r\n\r\n    }\r\n\r\n}\r\n\r\n?&gt;\r\n\r\n&lt;?php echo $year; ?&gt;\u5e74&lt;?php echo $month; ?&gt;\u6708\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\r\n&lt;br&gt;\r\n&lt;br&gt;\r\n&lt;table class=\"calender\"&gt;\r\n    &lt;tr class=\"week\"&gt;\r\n        &lt;th class=\"sunday\"&gt;\u65e5&lt;\/th&gt;\r\n        &lt;th&gt;\u6708&lt;\/th&gt;\r\n        &lt;th&gt;\u706b&lt;\/th&gt;\r\n        &lt;th&gt;\u6c34&lt;\/th&gt;\r\n        &lt;th&gt;\u6728&lt;\/th&gt;\r\n        &lt;th&gt;\u91d1&lt;\/th&gt;\r\n        &lt;th class=\"saturday\"&gt;\u571f&lt;\/th&gt;\r\n    &lt;\/tr&gt;\r\n\r\n    &lt;tr&gt;\r\n    &lt;?php $today = date('j'); ?&gt;\r\n    &lt;?php $cnt = 0; ?&gt;\r\n    &lt;?php foreach ($calendar as $key =&gt; $value): ?&gt;\r\n\r\n        &lt;td &lt;?php if($value['day'] == $today) echo 'class=\"today\"'; ?&gt;&gt;\r\n            &lt;?php $cnt++; ?&gt;\r\n                    &lt;?php if(!empty($value['day'])): ?&gt;\r\n                    &lt;a href=\"\"&gt;\r\n                &lt;span class=\"day\"&gt;&lt;?php echo $value['day']; ?&gt;&lt;\/span&gt;\r\n                    &lt;\/a&gt;\r\n                    &lt;?php endif; ?&gt;\r\n        &lt;\/td&gt;\r\n\r\n    &lt;?php if ($cnt == 7): ?&gt;\r\n    &lt;\/tr&gt;\r\n    &lt;tr&gt;\r\n    &lt;?php $cnt = 0; ?&gt;\r\n    &lt;?php endif; ?&gt;\r\n\r\n    &lt;?php endforeach; ?&gt;\r\n    &lt;\/tr&gt;\r\n&lt;\/table&gt;\r\n<\/code><\/pre>\n<h1>\u5b66\u5458\u53ef\u4ee5\u901a\u8fc7\u5728\u7ebf\u89c6\u9891\u7efc\u5408\u5b66\u4e60\u670d\u52a1\u300e\u30a6\u30a7\u30d6\u30ab\u30c4\uff01\uff01\u300f\u5168\u9762\u5b66\u4e60\u4eceWEB\u7f16\u7a0b\u5230\u521b\u4e1a\u7684\u8fc7\u7a0b\u3002\u6211\u4eec\u5728\u5404\u79cd\u7f16\u7a0b\u5b66\u4e60\u7f51\u7ad9\u548c\u670d\u52a1\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u4e8b\u5b9e\uff0c\u5373\u65e0\u6cd5\u771f\u6b63\u8ba9\u4eba\u4eec\u5b66\u4f1a\u5982\u4f55\u81ea\u5df1\u5236\u4f5c\u7f51\u7edc\u670d\u52a1\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u9879\u540d\u4e3a\u201c\u30a6\u30a7\u30d6\u30ab\u30c4\uff01\uff01\u201d\u7684\u5728\u7ebf\u7efc\u5408\u89c6\u9891\u5b66\u4e60\u670d\u52a1\uff0c\u65e8\u5728\u8ba9\u4eba\u4eec\u53ef\u4ee5\u5b66\u4f1a\u81ea\u5df1\u5236\u4f5c\u7f51\u7edc\u670d\u52a1\uff01\u5982\u679c\u60a8\u611f\u5174\u8da3\uff0c\u8bf7\u6ce8\u518c\uff0c\u8c22\u8c22\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6b63\u5728\u5199\u4f5c\u7684\u4eba\u300c\u304b\u305a\u304d\u3061\u300d\u662f\u4e00\u4e2a\u63d0\u4f9b\u7f16\u7a0b\u5b66\u4e60\u670d\u52a1\u3001\u5ba0\u7269\u6c99\u9f99\u9884\u7ea6\u670d\u52a1\u3001\u4ee5\u53ca\u98ce\u4fd7\u641c\u7d22\u670d\u52a1\u7b49\u591a\u79cd\u670d\u52a1\u7684\u7f51\u7ad9\u3002 \u25a0\u90e8\u5206\u7ecf [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30932","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PHP\u7684\u57fa\u7840\u6982\u8ff0 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8ePHP\u7684\u57fa\u7840\u6982\u8ff0\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u7684\u57fa\u7840\u6982\u8ff0\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u7684\u57fa\u7840\u6982\u8ff0\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8ePHP\u7684\u57fa\u7840\u6982\u8ff0\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u7684\u57fa\u7840\u6982\u8ff0\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-02T21:58:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T13:28:09+00:00\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u97f5, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" 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