{"id":30342,"date":"2023-03-27T10:30:26","date_gmt":"2022-11-21T02:54:32","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%bb%98%e6%9c%ac%e7%9a%84-%e6%b8%b8%e8%a7%88%e5%99%a8\/"},"modified":"2025-08-12T18:42:53","modified_gmt":"2025-08-12T10:42:53","slug":"php%e7%bb%98%e6%9c%ac%e7%9a%84-%e6%b8%b8%e8%a7%88%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%bb%98%e6%9c%ac%e7%9a%84-%e6%b8%b8%e8%a7%88%e5%99%a8\/","title":{"rendered":"PHP\u7ed8\u672c\u7684 \u6e38\u89c8\u5668"},"content":{"rendered":"

\u300aPHP\u7ed8\u672c\u300b\u7b2c\u4e8c\u7248\uff1a\u4e50\u8da3\u65e0\u9650\u7684\u5236\u4f5cWeb\u5e94\u7528\u7684\u4e5d\u6247\u5168\u65b0\u5927\u95e8
\n\u51fa\u7248\u793e\uff1a\u7fd4\u6cf3\u793e
\n\u53d1\u552e\u65e5\u671f\uff1a2017\u5e744\u670813\u65e5<\/p>\n

\u57fa\u672c\u7684\u7f16\u7a0b\u77e5\u8bc6<\/h1>\n

\u81ea\u589e\u8fd0\u7b97\u7b26\u548c\u81ea\u51cf\u8fd0\u7b97\u7b26<\/h2>\n

++\uff08\u9012\u589e\u8fd0\u7b97\u7b26\uff09
\n–\uff08\u9012\u51cf\u8fd0\u7b97\u7b26\uff09
\n\u8bf7\u6ce8\u610f\uff0c\u524d\u7f6e\u548c\u540e\u7f6e\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8f93\u51fa\u7ed3\u679c\u4e0d\u540c\u3002<\/p>\n

\u51fd\u6570<\/h2>\n

\u51fd\u6570\u662f\u5904\u7406\u63d0\u4f9b\u7684\u503c\u5e76\u8f93\u51fa\u7ed3\u679c\u7684\u4e1c\u897f\u3002
\n\u5904\u7406\u7684\u76ee\u6807\u662f\u53c2\u6570\uff08\u53c2\u6570\uff09\uff0c\u7ed3\u679c\u7684\u503c\u662f\u8fd4\u56de\u503c\uff08\u8fd4\u56de\u503c\uff09\u3002
\n\u5982\u6b64\u3002<\/p>\n

\u56de\u8c03\u51fd\u6570 (hu\u00ed sh\u00f9)<\/h3>\n

\u7528\u4e00\u4e2a\u51fd\u6570\u540d\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff0c\u5e76\u8c03\u7528\u8be5\u51fd\u6570\u672c\u8eab\u3002
\n\u5f53\u60f3\u8981\u5728\u51fd\u6570\u7684\u53c2\u6570\u4e2d\u4f7f\u7528\u53e6\u4e00\u4e2a\u51fd\u6570\u65f6\u4f7f\u7528\u3002<\/p>\n

\u533f\u540d\u51fd\u6570\uff08\u95ed\u5305\uff09<\/h3>\n

\u7701\u7565\u4e86\u51fd\u6570\u540d\u7684\u5185\u5bb9\u3002<\/p>\n

function Hello(){\r\n    print \"\u3053\u3093\u306b\u3061\u306f\";\r\n}\r\nfunction callfunc(callable $f){\r\n    $f();\r\n    print\"\u25cb\u25cb\u3055\u3093\";\r\n}\r\ncallfunc(\"Hello\");\r\n<\/code><\/pre>\n
\u7ed3\u679c
\n\u4f60\u597d\uff0c\u3007\u3007\u5148\u751f<\/p>\n
\u65b9\u4fbf\u7684\u51fd\u6570<\/h3>\n
isset($a):\u5909\u6570\u306b\u5024\u304c\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u5224\u5b9a\u3059\u308b\u3002<\/p>\n
empty($a):\u5909\u6570\u304c\u5b58\u5728\u3057\u306a\u3044\u3068\u304d\u3001\u5909\u6570\u306e\u5024\u304c0\u306e\u3068\u304d\u3001false\u306e\u3068\u304d\u306btrue\u3092\u8fd4\u3059\u3002<\/p>\n
unset($a):\u5909\u6570\u304c\u30bb\u30c3\u30c8\u3055\u308c\u3066\u306a\u3044\u72b6\u614b\u306b\u3059\u308b\u3002<\/p>\n
\u6392\u5217<\/h1>\n
\u7bb1\u5b50\u7684\u6392\u5217\u987a\u5e8f
\narray=[1,2,3]
\narray(0=>1,1=>2,2=>3)
\n\u4ee5\u4e0a\u4e24\u4e2a\u5177\u6709\u76f8\u540c\u7684\u610f\u601d\u3002<\/p>\n
$a=\"cat\"\r\necho $a[0]\r\n<\/code><\/pre>\n
\u3010\u7ed3\u679c\u3011c<\/p>\n
\u6587\u4ef6\u8bfb\u53d6<\/h1>\n
\n
\u95a2\u6570\u56de\u6570\u5931\u6557\u3057\u305f\u6642\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u51e6\u7406require<\/code>\u5236\u9650\u306a\u3057\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3002\u51e6\u7406\u306f\u4e2d\u6b62\u3002require_once<\/code>\uff11\u56de\u306e\u307f\uff08\uff12\u56de\u76ee\u306f\u30b9\u30ad\u30c3\u30d7\uff09\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3002\u51e6\u7406\u306f\u4e2d\u6b62\u3002include<\/code>\u5236\u9650\u306a\u3057\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u8868\u793a\u3002\u51e6\u7406\u306f\u7d9a\u884c\u3002include_once<\/code>\u4e00\u56de\u306e\u307f\uff08\uff12\u56de\u76ee\u306f\u30b9\u30ad\u30c3\u30d7\uff09\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u8868\u793a\u3002\u51e6\u7406\u306f\u7d9a\u884c\u3002<\/div>\n<\/div>\n
\u53d8\u91cf<\/h1>\n
\u53d8\u91cf\u7684\u4f5c\u7528\u57df<\/h3>\n
\u53d8\u91cf\u7684\u4f5c\u7528\u8303\u56f4\u3002
\n\u5c40\u90e8\u53d8\u91cf\uff1a\u4ec5\u5728\u5b9a\u4e49\u53d8\u91cf\u7684\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u3002
\n\u5168\u5c40\u53d8\u91cf\uff1a\u5728\u53d8\u91cf\u524d\u52a0\u4e0aglobal\u5173\u952e\u5b57\u3002\u9002\u7528\u4e8e\u6574\u4e2aPHP\u811a\u672c\u3002<\/p>\n
\u9759\u6001\u51fd\u6570<\/h3>\n
\u5728\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u5c40\u90e8\u53d8\u91cf\u4f1a\u88ab\u521d\u59cb\u5316\uff0c\u4f46\u5c06\u5176\u53d8\u4e3a\u9759\u6001\u53d8\u91cf\u540e\uff0c\u4e4b\u524d\u8c03\u7528\u65f6\u7684\u503c\u5c06\u88ab\u4fdd\u7559\u3002<\/p>\n
\u533f\u540d\u51fd\u6570\uff08\u95ed\u5305\uff09<\/h3>\n
\u5c06\u51fd\u6570\u540d\u7701\u7565\u7684\u5185\u5bb9\u3002\u5c06\u5176\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff0c\u7a0d\u540e\u53ef\u4ee5\u8c03\u7528\u3002<\/p>\n
\u6b63\u5247\u8868\u9054\u5f0f<\/h1>\n
POSIX\u6269\u5c55\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n
PHP5.3.0 \u88ab\u6807\u8bb0\u4e3a\u4e0d\u63a8\u8350\u4f7f\u7528\uff0c\u5e76\u5728PHP7\u4e2d\u88ab\u5220\u9664\u3002<\/p>\n
\u53ea\u9700\u8981\u552f\u4e00\u7684\u9078\u9805\uff0c\u4e2d\u6587\u672c\u5730\u5316\u5730\u6539\u8ff0\u5982\u4e0b\uff1aPerl\u517c\u5bb9\u7684\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n
preg\u7cfb\u5217\u7684\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528\u3002
\npreg_match()\u51fd\u6570\uff1a\u5982\u679c\u76ee\u6807\u5b57\u7b26\u4e32\u5339\u914d\u6a21\u5f0f\uff0c\u5219\u8fd4\u56de1\uff0c\u5982\u679c\u4e0d\u5339\u914d\uff0c\u5219\u8fd4\u56de0\u3002\u8fd8\u53ef\u4ee5\u5c06\u5339\u914d\u7684\u90e8\u5206\u63d0\u53d6\u51fa\u6765\u5e76\u5b58\u50a8\u4e3a\u6570\u7ec4\u3002
\npreg_match(“\/[A-Z]{3}\/”,”Hello PHP.”,$array)`
\n\u8fd4\u56de\u7684\u503c\u662f0\uff0c$array[0]\u4e2d\u5b58\u50a8\u4e86”PHP”\u3002
\npreg_replace()\u51fd\u6570\uff1a\u8fdb\u884c\u66ff\u6362\u3002
\npreg_split()\u51fd\u6570\uff1a\u6309\u7167\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u7684\u4f4d\u7f6e\u5c06\u5b57\u7b26\u4e32\u5206\u5272\u3002<\/p>\n
\u4e0e\u6587\u5b57\u76f8\u5173\u7684\u51fd\u6570<\/h1>\n
strtolower()\uff1a\u5c06\u5927\u5199\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5c0f\u5199\u5b57\u6bcd\u3002
\nstrtoupper\uff1a\u5c06\u5c0f\u5199\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd\u3002
\ntrim()\uff1a\u5220\u9664\u7a7a\u683c\u3002
\nexplode(\u5206\u9694\u7b26,\u5b57\u7b26\u4e32)\uff1a\u5c06\u5b57\u7b26\u4e32\u6309\u7167\u5206\u9694\u7b26\u8fdb\u884c\u5207\u5272\uff0c\u5e76\u5c06\u5207\u5272\u540e\u7684\u90e8\u5206\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u8fd4\u56de\u503c\u4e3a\u6570\u7ec4\u7684\u503c\u3002
\nimplode(\u8fde\u63a5\u7b26,\u6570\u7ec4)\uff1a\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4ee5\u8fde\u63a5\u7b26\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n
\u5728HTML\u4e2d\u4f7f\u7528\u7684\u51fd\u6570<\/h1>\n
strip_tags\uff08\u5bfe\u8c61\u306e\u6587\u5b57\u5217\u3001\u6d88\u3057\u305f\u3044\u30bf\u30b0\uff09\uff1a\u53bb\u9664\u6807\u7b7e\u3002
\nnl2br()\uff1a\u5728\u6362\u884c\u7b26\u524d\u63d2\u5165HTML\u6362\u884c\u7b26\u3002<\/p>\n
\u4e0e\u4e92\u8054\u7f51\u7684\u534f\u8c03\u914d\u5408<\/h1>\n
\u4f1a\u8bdd<\/h3>\n
\u670d\u52a1\u5668\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n
\u997c\u5e72<\/h3>\n
\u5ba2\u6237<\/p>\n
\u4f1a\u8bdd\u7ba1\u7406<\/h3>\n
\u6587\u4ef6\u5904\u7406<\/h1>\n
\u57fa\u672c\u5904\u7406\u6d41\u7a0b
\n1. \u6253\u5f00\u6587\u4ef6$fp=fopen(\u6587\u4ef6\u540d,”\u6a21\u5f0f”)\uff0c\u82e5\u6587\u4ef6\u6253\u5f00\u6210\u529f\uff0c\u5219\u5c06\u6587\u4ef6\u4fe1\u606f\u5b58\u50a8\u5728$fp\u4e2d\u3002
\n2. \u5199\u5165\u5185\u5bb9fputs($fp,”\u5199\u5165\u7684\u5b57\u7b26\u4e32”,\u5b57\u8282\u6570)
\n3. \u5173\u95ed\u6587\u4ef6fclose($fp)
\n4. \u5220\u9664\u6587\u4ef6unlink(“\u6587\u4ef6\u540d”)<\/p>\n
\u6570\u636e\u5e93<\/h1>\n
\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS\uff09\u662f\u4e00\u79cd\u8f6f\u4ef6\u3002
\nSQL\u662f\u7528\u4e8e\u547d\u4ee4\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u8bed\u8a00\u3002
\nSQLite\uff08=RDBMS\uff09\u5728PHP5.3.0\u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\u5df2\u7ecf\u4f5c\u4e3a\u6807\u51c6\u7ec4\u4ef6\u5185\u7f6e\u8fdb\u53bb\u3002<\/p>\n
\u6700\u57fa\u672c\u7684\u64cd\u4f5c<\/h3>\n
    \n
  1. \n
      \u521b\u5efa\u6570\u636e\u5e93$\u65b0\u6570\u636e\u5e93\u540d\u79f0=new SQLite3(“\u6570\u636e\u5e93\u6587\u4ef6\u540d”)<\/ol>\n<\/li>\n<\/ol>\n
      \u5199\u64cd\u4f5c\u7684SQL\u8bed\u53e5$query=SQL\u8bed\u53e5<\/p>\n
      \u6267\u884c$result=$\u521b\u5efa\u7684\u6570\u636e\u5e93\u540d\u79f0->exec($query)<\/p>\n
      \u65ad\u5f00\u8fde\u63a5$\u6570\u636e\u5e93\u540d\u79f0->close()<\/p>\n
      \u53ea\u9700\u8981\u4e00\u79cd\u9009\u62e9\uff0c\u5728\u4e2d\u6587\u91cc\u91ca\u4e49\uff1a\u8d60\u54c1\u3002<\/h1>\n
      \u53d1\u9001\u7535\u5b50\u90ae\u4ef6<\/h3>\n
      \u7f16\u8f91 php.ini \u6587\u4ef6\u3002
      \n\u4fee\u6539 php.ini \u914d\u7f6e\u3002<\/p>\n
      SMTP = mail.XXX.co.jp\r\nsendmail_from = \u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\r\n<\/code><\/pre>\n
      \u4f7f\u7528mb_send_mail()\u51fd\u6570\u5728\u65e5\u8bed\u4e2d\u53d1\u9001\u90ae\u4ef6\u975e\u5e38\u65b9\u4fbf\u3002
      \n\u53d1\u9001\u6210\u529f\u8fd4\u56detrue\uff0c\u53d1\u9001\u5931\u8d25\u8fd4\u56defalse\u3002
      \nmb_send_mail(“\u6536\u4ef6\u4eba\u90ae\u4ef6\u5730\u5740”,”\u4e3b\u9898”,”\u6b63\u6587”)<\/p>\n
      \u547d\u540d\u7a7a\u95f4<\/h1>\n
      \u7c7b\uff0c\u63a5\u53e3\uff0c\u51fd\u6570\uff0c\u5e38\u91cf\u7684\u7ec4\u5408\u3002
      \n\u5b9a\u4e49\u547d\u540d\u7a7a\u95f4\u540e\uff0c\u5373\u4f7f\u5728\u5e93\u4e2d\u547d\u540d\u51b2\u7a81\u4e5f\u80fd\u591f\u8fdb\u884c\u533a\u5206\u3002
      \n\u547d\u540d\u7a7a\u95f4\u7684\u5b9a\u4e49
      \n\u5728PHP\u4ee3\u7801\u7684\u5f00\u5934\u5199\u4e0a\u3002
      \nnamespace \u540d\u5b57\u7a7a\u95f4A \u6216 namespace dir\u00a5\u540d\u5b57\u7a7a\u95f4A
      \n\u5f15\u7528
      \n\u540d\u5b57\u7a7a\u95f4A\u00a5\u51fd\u6570()<\/p>\n
      \u6bcf\u6b21\u6307\u5b9a\u547d\u540d\u7a7a\u95f4\u90fd\u5f88\u9ebb\u70e6\uff0c\u6240\u4ee5\u53ef\u4ee5\u4f7f\u7528use\u6765\u5bfc\u5165\u3002
      \n\u4f7f\u7528”dir\/\u547d\u540d\u7a7a\u95f4A”\u5e76\u4fdd\u7559\uff0c\u4e4b\u540e\u4ec5\u9700\u8c03\u7528\u51fd\u6570\u540d\u5373\u53ef\u3002<\/p>\n
      \u751f\u6210\u5668<\/h1>\n
      \u53ef\u4ee5\u4ece\u51fd\u6570\u4e2d\u4f9d\u6b21\u53d6\u51fa\u503c\u7684\u673a\u5236\u3002<\/p>\n
      \u73ed\u7ea7<\/h1>\n
      \u6709\u8bb8\u591a\u6709\u5171\u540c\u8981\u7d20\uff08\u5c5e\u6027\/\u6210\u5458\uff09\u4e14\u5177\u6709\u591a\u79cd\u7c7b\u578b\u7684\u4e8b\u7269\u3002
      \n\u4f8b\u5982\uff09\u88d9\u5b50
      \n\u88d9\u5b50\u5177\u6709\u5171\u540c\u8981\u7d20”\u540d\u79f0”\u548c”\u9762\u6599”\u3002
      \n\u2193\u7528\u4ee3\u7801\u8868\u793a<\/p>\n
      class Dress{\r\n    public $name;\/\/\u30c9\u30ec\u30b9\u306f\u300c\u540d\u524d\u300d\u3092\u3082\u3064\r\n    public $material;\/\/\u30c9\u30ec\u30b9\u306f\u300c\u751f\u5730\u300d\u306e\u7a2e\u985e\u304c\u5b58\u5728\u3059\u308b\u3002\r\n}\r\n<\/code><\/pre>\n
      \u4e3a\u4e86Ruby\uff0c\u5236\u4f5c\u4e00\u4e2a\u65b0\u7684\u7bb1\u5b50\u6765\u5b58\u653e\u8be6\u7ec6\u4fe1\u606f\u3002
      \n\u901a\u8fc7\u4f7f\u7528\u5173\u952e\u8bcd”new”\u521b\u5efa\u7684\u53d8\u91cf\uff08\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u662f$Ruby\uff09\uff0c\u88ab\u79f0\u4e3a\u5bf9\u8c61\uff0c\u5e76\u4e14\u7c7b\u578b\u5c06\u6210\u4e3a\u5bf9\u8c61\u7c7b\u578b\u3002<\/p>\n
      $Ruby = \u4e00\u4ef6\u65b0\u88d9\u5b50\u3002<\/p>\n
      \u201cRuby\u201d\u7684\u540d\u5b57\u662f\u201c\u7ea2\u5b9d\u77f3\u201d\uff0c\u800c\u201c\u751f\u5730\u201d\u662f\u4e1d\u7ef8\u3002<\/p>\n
      $Ruby->$name = \"ruby\";\r\n$Ruby->$material = \"silk\";\r\n<\/code><\/pre>\n
      \u5728\u5f15\u7528\u5bf9\u8c61\u7684\u53d8\u91cf\uff08\u6210\u5458\u5c5e\u6027\u7684\u503c\uff09\u65f6\u4f7f\u7528”->”\u3002<\/p>\n
      class Dress{\r\n    public $name;\/\/\u30c9\u30ec\u30b9\u306f\u300c\u540d\u524d\u300d\u3092\u3082\u3064\r\n    public $material;\/\/\u30c9\u30ec\u30b9\u306f\u300c\u751f\u5730\u300d\u306e\u7a2e\u985e\u304c\u5b58\u5728\u3059\u308b\u3002\r\n}\r\n$Ruby=new Dress;\r\n$Ruby->$name = \"ruby\";\r\n$Ruby->$material = \"silk\";\r\n$Diamond=new Dress;\r\n$Diamond->$name = \"diamond\";\r\n$Diamond->$material = \"cotton\";\r\n$Gold=new Dress;\r\n$Gold->$name = \"gold\";\r\n$Gold->$material = \"hoge\";\r\nprint\r\n$Ruby->$name.\"\u306e\u7d20\u6750\u306f\".$Ruby->$material;\r\n$Diamond->$name.\"\u306e\u7d20\u6750\u306f\".$Diamond->$material;\r\n$Gold->$name.\"\u306e\u7d20\u6750\u306f\".$Gold->$material;\r\n\r\n<\/code><\/pre>\n
      \u53ef\u4ee5\u50cf\u4e0b\u9762\u8fd9\u6837\uff0c\u9010\u884c\u4e66\u5199\uff1a<\/p>\n
      class Dress{\r\n    public $name;\/\/\u30c9\u30ec\u30b9\u306f\u300c\u540d\u524d\u300d\u3092\u3082\u3064\r\n    public $material;\/\/\u30c9\u30ec\u30b9\u306f\u300c\u751f\u5730\u300d\u306e\u7a2e\u985e\u304c\u5b58\u5728\u3059\u308b\u3002\r\n    public function printdate(){    \/\/\u8868\u793a\u3059\u308b\u95a2\u6570\r\n        print $this->$name.\"\u306e\u7d20\u6750\u306f\".$this->$material;\r\n    }\r\n}\r\n$Ruby = new Dress;\r\n$Ruby->$name = \"ruby\";\r\n$Ruby->$material = \"silk\";\r\n$Diamond=new Dress;\r\n$Diamond->$name = \"diamond\";\r\n$Diamond->$material = \"cotton\";\r\n$Gold=new Dress;\r\n$Gold->$name = \"gold\";\r\n$Gold->$material = \"hoge\";\r\n$Ruby->printdate();\/\/\u30af\u30e9\u30b9\u306e\u4e2d\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\r\n$Diamond->printdate();\r\n$Gols->printdate();\r\n<\/code><\/pre>\n
      \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u79f0\u5728\u7c7b\u4e2d\u88ab\u521b\u5efa\u7684\u51fd\u6570\u4e3a\u65b9\u6cd5\uff0c\u5e76\u4e14\u5728\u4f7f\u7528\u540c\u4e00\u7c7b\u4e2d\u7684\u6210\u5458\u65f6\u8981\u4f7f\u7528$this\u3002<\/p>\n
      \u6784\u9020\u51fd\u6570\u548c\u6790\u6784\u51fd\u6570<\/h3>\n
      \u6784\u9020\u51fd\u6570\uff1a\u5f53\u5bf9\u8c61\u88ab\u5b9e\u4f8b\u5316\u65f6\u8c03\u7528\u7684\u65b9\u6cd5\u3002__construct()
      \n\u6790\u6784\u51fd\u6570\uff1a\u5f53\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6\u8c03\u7528\u7684\u65b9\u6cd5\u3002__destruct
      \n\u7528\u4e8e\u8fdb\u884c\u6e05\u7406\u5de5\u4f5c\u3002<\/p>\n
      class Piyo{\r\n    public $a;\r\n    public $b;\r\n    public funtion __construct($n,$m){\r\n        $this->a = $n;\r\n        $tshi->b = $m;\r\n    }\r\n}\r\n\r\n$deko = new Piyo($n\u306b\u5165\u308c\u305f\u3044\u5024,$m\u306b\u5165\u308c\u305f\u3044\u5024);\r\n<\/code><\/pre>\n
      \u7ee7\u627f\u7c7b<\/h3>\n
      \u6211\u60f3\u5728\u73ed\u7ea7A\u4e2d\u8fdb\u884c\u67d0\u79cd\u6539\u53d8\uff0c\u4f46\u5982\u679c\u4f7f\u7528\u5176\u4ed6\u73ed\u7ea7A\u4f1a\u53d1\u751f\u53d8\u5316\u5c31\u4f1a\u56f0\u6270\u3002
      \n\u5f53\u60f3\u8981\u4ee5\u4fee\u6539\u539f\u672c\u7684\u73ed\u7ea7A\u6765\u521b\u5efa\u73ed\u7ea7B\u65f6\uff0c\u5c31\u9700\u8981\u7ee7\u627f\u73ed\u7ea7A\u3002
      \n\u901a\u8fc7\u7ee7\u627f\uff0cB\u7684\u6210\u5458\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u3002\u4f46\u5f53\u60f3\u8981\u91cd\u65b0\u5b9a\u4e49\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u7236\u7c7b\u7684\u65b9\u6cd5\u548c\u6210\u5458\u540d\u79f0\u8fdb\u884c\u8986\u5199(override)\u3002\u4f46\u662f\uff0c\u5982\u679c\u65b9\u6cd5\u524d\u9762\u6807\u6709final\uff0c\u5c31\u65e0\u6cd5\u8fdb\u884c\u8986\u5199\u3002<\/p>\n
      class B extends A{\r\n    \u30a2\u30ec\u30f3\u30b8\u3057\u305f\u3044\u3053\u3068\u3092\u304b\u304f\u3002\r\n}\r\n<\/code><\/pre>\n
      \u4f8b\u5916<\/h3>\n
      \u5c06\u4f8b\u5916\u529f\u80fd\u5c01\u88c5\u6210\u7c7b<\/p>\n
      \u68a8\/\u68a8\u58f3\uff08pear\/pecl\uff09\u662f\u7528\u4e8e\u7f16\u5199\u6269\u5c55\u6a21\u5757\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u5e93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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