{"id":30886,"date":"2023-04-28T11:12:52","date_gmt":"2023-11-04T20:44:36","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%ae%b9%e6%98%93%e8%a2%ab%e5%bf%98%e8%ae%b0\/"},"modified":"2025-08-12T21:14:29","modified_gmt":"2025-08-12T13:14:29","slug":"php%e5%ae%b9%e6%98%93%e8%a2%ab%e5%bf%98%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%ae%b9%e6%98%93%e8%a2%ab%e5%bf%98%e8%ae%b0\/","title":{"rendered":"PHP\u5bb9\u6613\u88ab\u5fd8\u8bb0"},"content":{"rendered":"

\u25a0 PHP\u6807\u7b7e<\/p>\n
<?php<\/span>\r\necho<\/span> \"\u30b9\u30af\u30ea\u30d7\u30c8\u8a18\u8ff0\"<\/span>;<\/span>\r\n?><\/span>     \r\n<\/code><\/pre>\n
\u25a0 \u5b57\u7b26\u4e32\u64cd\u4f5c<\/p>\n
\u8f93\u51fa\uff1a\u56de\u58f0\/\u6253\u5370<\/p>\n
echo<\/span> \"Message\"<\/span>;<\/span>\r\necho<\/span> \"Message1<br>\"<\/span>,<\/span> \"Message2\"<\/span>;<\/span>\r\nprint<\/span> \"Message\"<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u94fe\u63a5<\/p>\n
echo<\/span> \"Message1\"<\/span>.<\/span>\"Message2\"<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u53d8\u91cf<\/p>\n
\u5f62\u72b6<\/p>\n
\n
\u578b\u540d\u79f0integer\u6574\u6570\u578bfloat\/double\u6d6e\u52d5\u5c0f\u6570\u70b9\u578bboolean\u8ad6\u7406\u578bstring\u6587\u5b57\u5217\u578barray\u914d\u5217\u578bobject\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578bcallback\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u578bNULLNULL\u578b<\/p>\n
\u6f14\u5458\u9635\u5bb9<\/p>\n
\n
\u66f8\u5f0f\u30ad\u30e3\u30b9\u30c8\u5f8c\u306e\u578b(int)\u6574\u6570\u578b(float)\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b(double)\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b(bool)\u8ad6\u7406\u578b(string)\u6587\u5b57\u5217\u578b(array)\u914d\u5217\u578b(object)\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b<\/p>\n
\u5224\u65ad\u7c7b\u578b<\/p>\n
\n
\u66f8\u5f0f\u5224\u5b9a\u306e\u578bis_int\u6574\u6570\u578bis_float\u6d6e\u52d5\u5c0f\u6570\u70b9\u578bis_double\u6d6e\u52d5\u5c0f\u6570\u70b9\u578bis_bool\u8ad6\u7406\u578bis_string\u6587\u5b57\u5217\u578bis_array\u914d\u5217\u578bis_object\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b<\/p>\n
\u8d85\u7ea7\u5168\u5c40\u53d8\u91cf<\/p>\n
\n
\u540d\u79f0\u5185\u5bb9$_REQUEST\u30ea\u30af\u30a8\u30b9\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u53d6\u5f97$_SESSION\u30bb\u30c3\u30b7\u30e7\u30f3\u60c5\u5831\u53d6\u5f97$_COOKIE\u30af\u30c3\u30ad\u30fc\u53d6\u5f97<\/p>\n
\u25a0 \u4e0d\u53d8\u7684\u6570\u5b57<\/p>\n
\u5df2\u5b9a\u4e49\u5e38\u91cf<\/p>\n
\n
\u5b9a\u6570\u540d\u610f\u5473__LINE__\u884c\u756a\u53f7__FILE__\u30d5\u30a1\u30a4\u30eb\u540d__FUNCTION__\u95a2\u6570\u540d__DIR__\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u540d__CLASS__\u30af\u30e9\u30b9\u540d__METHOD__\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u540d<\/p>\n
\u5bf9\u8c61\u5e38\u91cf<\/p>\n
const<\/span> VAL<\/span> =<\/span> 1<\/span>;<\/span>\r\necho<\/span> VAL<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u5b9a\u4e49<\/p>\n
define<\/span> (<\/span>\"VAL1\"<\/span>,<\/span> 1000<\/span>);<\/span>\r\ndefine<\/span> (<\/span>\"VAL2\"<\/span>,<\/span> 100<\/span> *<\/span> 100<\/span>);<\/span>\r\necho<\/span> VAL1<\/span>.<\/span>\"<br>\"<\/span>;<\/span>  \/\/ 1000<\/span>\r\necho<\/span> VAL2<\/span>;<\/span>         \/\/ 10000<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u6570\u7ec4<\/p>\n
$array_test<\/span> =<\/span> array<\/span>(<\/span>\"A\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"C\"<\/span>);<\/span>\r\necho<\/span> $array_test<\/span>[<\/span>0<\/span>];<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u5173\u8054\u6570\u7ec4<\/p>\n
$array_test<\/span> =<\/span> array<\/span>(<\/span>\"A\"<\/span>=><\/span>\"a\"<\/span>,<\/span> \"B\"<\/span>=><\/span>\"b\"<\/span>,<\/span> \"C\"<\/span>=><\/span>\"c\"<\/span>);<\/span>\r\necho<\/span> $array_test<\/span>[<\/span>\"A\"<\/span>];<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u8fd0\u7b97\u7b26<\/p>\n
\u56db\u5247\u904b\u7b97\u7b26<\/p>\n
\n
\u6f14\u7b97\u5b50\u610f\u5473+\u52a0\u7b97-\u6e1b\u7b97*\u4e57\u7b97\/\u9664\u7b97%\u5270\u4f59**\u7d2f\u4e57<\/p>\n
\u590d\u5408\u8fd0\u7b97\u7b26<\/p>\n
\n
\u6f14\u7b97\u5b50\u610f\u5473+=\u52a0\u7b97\u3057\u3066\u4ee3\u5165-=\u9664\u7b97\u3057\u3066\u4ee3\u5165*=\u4e57\u7b97\u3057\u3066\u4ee3\u5165\/=\u9664\u7b97\u3057\u3066\u4ee3\u5165**=\u7d2f\u4e57\u3057\u3066\u4ee3\u5165<\/p>\n
\u6bd4\u8f83\u8fd0\u7b97\u7b26<\/p>\n
\n
\u6f14\u7b97\u5b50\u610f\u5473A == BA\u3068B\u306f\u7b49\u3057\u3044A != BA\u3068B\u306f\u7b49\u3057\u304f\u306a\u3044A > 0A\u306f0\u3088\u308a\u5927\u304d\u3044A < 0A\u306f0\u3088\u308a\u5c0f\u3055\u3044A <= 0A\u306f0\u4ee5\u4e0bA >= 0A\u306f0\u4ee5\u4e0a<\/p>\n
\u903b\u8f91\u8fd0\u7b97\u7b26<\/p>\n
\n
\u6f14\u7b97\u5b50\u610f\u5473&& (and)\u8ad6\u7406\u7a4d|| (or)\u8ad6\u7406\u548c! (not)\u5426\u5b9axor\u6392\u4ed6\u7684\u8ad6\u7406\u548c<\/p>\n
\u4e09\u4e2a\u8fd0\u7b97\u7b26<\/p>\n
$cnt<\/span> =<\/span> 0<\/span>;<\/span>\r\necho<\/span> (<\/span>$cnt<\/span> ==<\/span> 0<\/span>)<\/span> ?<\/span> \"\u5024\u306f0\u3067\u3059\"<\/span>:<\/span> \"\u5024\u306f0\u4ee5\u5916\u3067\u3059\"<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u9519\u8bef\u63a7\u5236\u8fd0\u7b97\u7b26<\/p>\n
@<\/span>print<\/span> (<\/span>100<\/span> \/<\/span> 0<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u53cd\u590d<\/p>\n
\u5bf9\u4e8e\u6bcf\u4e00\u4e2a<\/p>\n
$array_test<\/span> =<\/span> array<\/span>(<\/span>\"A\"<\/span>=><\/span>\"a\"<\/span>,<\/span> \"B\"<\/span>=><\/span>\"b\"<\/span>,<\/span> \"C\"<\/span>=><\/span>\"c\"<\/span>);<\/span>\r\nforeach<\/span>(<\/span>$array_test<\/span> as<\/span> $val<\/span>){<\/span>\r\n  echo<\/span> $val<\/span>.<\/span>\"<br>\"<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u9488\u5bf9<\/p>\n
$array_test<\/span> =<\/span> array<\/span>(<\/span>\"A\"<\/span>,<\/span> \"B\"<\/span>,<\/span> \"C\"<\/span>);<\/span>\r\nfor<\/span>(<\/span>$cnt<\/span> =<\/span> 0<\/span>;<\/span> $cnt<\/span> <<\/span> 3<\/span>;<\/span> $cnt<\/span>++<\/span>){<\/span>\r\n  echo<\/span> $array_test<\/span>[<\/span>$cnt<\/span>]<\/span>.<\/span>\"<br>\"<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5c3d\u7ba1<\/p>\n
$cnt<\/span> =<\/span> 0<\/span>;<\/span>\r\nwhile<\/span>(<\/span>$cnt<\/span> <<\/span> 10<\/span>){<\/span>\r\n  echo<\/span> $cnt<\/span>;<\/span>\r\n  $cnt<\/span>++<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u505a…\u76f4\u5230<\/p>\n
$cnt<\/span> =<\/span> 0<\/span>;<\/span>\r\ndo<\/span>{<\/span>\r\n  echo<\/span> $cnt<\/span>;<\/span>\r\n  $cnt<\/span>++<\/span>;<\/span>\r\n}<\/span>while<\/span>(<\/span>$cnt<\/span> <<\/span> 10<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u5206\u652f\u6761\u4ef6<\/p>\n
\u5982\u679c<\/p>\n
if<\/span> (<\/span>$answer<\/span> ==<\/span> 0<\/span>){<\/span>\r\n  echo<\/span> \"\u7b54\u3048\u306f0\u3067\u3059\"<\/span>;<\/span>\r\n}<\/span>\r\nelse<\/span> if<\/span> (<\/span>$answer<\/span> ==<\/span> 1<\/span>){<\/span>\r\n  echo<\/span> \"\u7b54\u3048\u306f1\u3067\u3059\"<\/span>;<\/span>\r\n}<\/span>\r\nelse<\/span>{<\/span>\r\n  echo<\/span> \"\u7b54\u3048\u306f0, 1\u4ee5\u5916\u3067\u3059\"<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8f6c\u6362<\/p>\n
switch<\/span>(<\/span>$answer<\/span>){<\/span>\r\ncase<\/span> 0<\/span>:<\/span>\r\n  echo<\/span> \"\u7b54\u3048\u306f0\u3067\u3059\"<\/span>;<\/span>\r\n  break<\/span>;<\/span>\r\ncase<\/span> 1<\/span>:<\/span>\r\n  echo<\/span> \"\u7b54\u3048\u306f1\u3067\u3059\"<\/span>;<\/span>\r\n  break<\/span>;<\/span>\r\ndefault<\/span>:<\/span>\r\n  echo<\/span> \"\u7b54\u3048\u306f0, 1\u4ee5\u5916\u3067\u3059\"<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u51fd\u6570<\/p>\n
\u51fd\u6570\u5b9a\u4e49<\/p>\n
function<\/span> test<\/span>(<\/span>$input0<\/span>,<\/span> $input1<\/span>,<\/span> &<\/span>$val<\/span>){<\/span>\r\n  echo<\/span> $input0<\/span> .<\/span> $input1<\/span>.<\/span>\"<br>\"<\/span>;<\/span>\r\n  $val<\/span> =<\/span> 100<\/span>;<\/span>\r\n  return<\/span> \"OK\"<\/span>.<\/span>\"<br>\"<\/span>;<\/span>\r\n}<\/span>\r\n\r\n$cnt<\/span> =<\/span> 0<\/span>;<\/span>\r\necho<\/span> test<\/span>(<\/span>\"test\"<\/span>,<\/span> \"\u5b9f\u884c\"<\/span>,<\/span> $cnt<\/span>);<\/span>\r\necho<\/span> $cnt<\/span>;<\/span> \/\/ 100<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u8bfb\u53d6\u811a\u672c\u6587\u4ef6<\/p>\n
\u9700\u8981<\/p>\n
require<\/span> 'require\/input1.php'<\/span>;<\/span>\r\nrequire_once<\/span> 'require\/input2.php'<\/span>;<\/span> # \u91cd\u8907\u8aad\u307f\u8fbc\u307f\u306a\u3057<\/span>\r\n<\/code><\/pre>\n
\u5305\u62ec ku\u00f2)<\/p>\n
include<\/span> 'include\/input1.php'<\/span>;<\/span>\r\ninclude_once<\/span> 'include\/input2.php'<\/span>;<\/span> # \u91cd\u8907\u8aad\u307f\u8fbc\u307f\u306a\u3057<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u6587\u4ef6\u64cd\u4f5c<\/p>\n
\u6587\u4ef6\u8bfb\u53d6<\/p>\n
$file<\/span> =<\/span> fopen<\/span>(<\/span>\"test.txt\"<\/span>,<\/span> \"r\"<\/span>);<\/span>\r\nwhile<\/span>(<\/span>!<\/span>feof<\/span>(<\/span>$file<\/span>)){<\/span>\r\n  $line<\/span> =<\/span> fgets<\/span>(<\/span>$file<\/span>);<\/span>\r\n  echo<\/span> $line<\/span>.<\/span>\"<br>\"<\/span>;<\/span>\r\n}<\/span>\r\nfclose<\/span>(<\/span>$file<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u6587\u4ef6\u5199\u5165<\/p>\n
$file<\/span> =<\/span> fopen<\/span>(<\/span>\"test.txt\"<\/span>,<\/span> \"w\"<\/span>);<\/span>\r\nfputs<\/span>(<\/span>$file<\/span>,<\/span> \"test\"<\/span>);<\/span>\r\nfclose<\/span>(<\/span>$file<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u6587\u4ef6\u5939\u64cd\u4f5c<\/p>\n
\u521b\u5efa\u6587\u4ef6\u5939<\/p>\n
mkdir<\/span>(<\/span>\"test\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u786e\u8ba4\u6587\u4ef6\u5939\u662f\u5426\u5b58\u5728<\/p>\n
if<\/span> (<\/span>file_exists<\/span>(<\/span>\"test\"<\/span>))<\/span>\r\n{<\/span>\r\n  echo<\/span> \"\u30d5\u30a9\u30eb\u30c0\u306f\u5b58\u5728\u3057\u307e\u3059\"<\/span>;<\/span>\r\n}<\/span>\r\nelse<\/span>\r\n{<\/span>\r\n  mkdir<\/span>(<\/span>\"test\"<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u65f6\u95f4\u8868\u793a<\/p>\n
\u65f6\u533a\u8bbe\u7f6e<\/p>\n
date_default_timezone_set<\/span>(<\/span>'Japan'<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u8868\u793a\u65e5\u671f\u548c\u65f6\u95f4<\/p>\n
echo<\/span> date<\/span>(<\/span>'Y\/m\/d'<\/span>);<\/span> # 2018\/01\/02<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u63a5\u6536\u8f93\u5165\u6570\u636e<\/p>\n
<!<\/span>DOCTYPE<\/span> html<\/span>><\/span>\r\n<<\/span>html<\/span>><\/span>\r\n<<\/span>head<\/span>><\/span>\r\n<<\/span>meta<\/span> charset<\/span>=<\/span>\"utf-8\"<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n<<\/span>form<\/span> action<\/span>=<\/span>\"output.php\"<\/span> method<\/span>=<\/span>\"post\"<\/span>><\/span>\r\n<<\/span>input<\/span> type<\/span>=<\/span>\"test\"<\/span> name<\/span>=<\/span>\"input\"<\/span>><\/span>\r\n<<\/span>input<\/span> type<\/span>=<\/span>\"submit\"<\/span> value<\/span>=<\/span>\"OK\"<\/span>><\/span>\r\n<\/<\/span>form<\/span>><\/span>\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span>\r\n<\/code><\/pre>\n
<?php<\/span>\r\n  echo<\/span> $_REQUEST<\/span>[<\/span>'input'<\/span>];<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u25a0 \u8bf7\u7528\u539f\u751f\u6c49\u8bed\u5c06\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u6539\u8ff0\uff0c\u53ea\u9700\u4e00\u79cd\u9009\u9879:\u25a0 \u591a\u884c\u5b57\u7b26\u4e32\u8bed\u6cd5<\/p>\n
echo<\/span> <<<EOD\r\nMessage1\r\nMessage2\r\nEOD;<\/span>\r\n<\/code><\/pre>\n
\u25a0 \u8bc4\u8bba<\/p>\n
\/\/ comment<\/span>\r\n\/* comment *\/<\/span>\r\n#  comment<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u25a0 PHP\u6807\u7b7e <?php echo “\u30b9\u30af\u30ea\u30d7\u30c8\u8a18\u8ff0”; ?> \u25a0 \u5b57\u7b26\u4e32\u64cd\u4f5c \u8f93\u51fa\uff1a\u56de\u58f0\/\u6253\u5370 […]<\/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-30886","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nPHP\u5bb9\u6613\u88ab\u5fd8\u8bb0 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8ePHP\u5bb9\u6613\u88ab\u5fd8\u8bb0\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\u5bb9\u6613\u88ab\u5fd8\u8bb0\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u5bb9\u6613\u88ab\u5fd8\u8bb0\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8ePHP\u5bb9\u6613\u88ab\u5fd8\u8bb0\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u5bb9\u6613\u88ab\u5fd8\u8bb0\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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