{"id":48149,"date":"2024-12-02T09:31:09","date_gmt":"2024-12-02T01:31:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48149\/"},"modified":"2024-12-02T09:31:09","modified_gmt":"2024-12-02T01:31:09","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%8f%82%e6%95%b0%e6%97%a2%e4%bd%9c%e4%b8%ba%e5%89%af%e6%9c%ac%e4%bc%a0%e9%80%92%e5%8f%88%e4%bd%9c%e4%b8%ba%e5%bc%95%e7%94%a8%e4%bc%a0%e9%80%92%e7%9a%84%e5%8f%af","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48149\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u53c2\u6570\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u53ef\u884c\u6027\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u51fd\u6570\u4e2d\u53c2\u6570\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u53ef\u884c\u6027\uff1f<\/h1>\n

\u7c73\u4e91\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u4e2d\u53c2\u6570\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u53ef\u884c\u6027\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

PHP \u51fd\u6570\u53c2\u6570\u65e2\u53ef\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\uff0c\u53c8\u53ef\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u53c2\u6570\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u3002\u4f7f\u7528 & \u7b26\u53f7\u53ef\u5c06\u53c2\u6570\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff0c\u5bf9\u5f15\u7528\u6240\u505a\u7684\u66f4\u6539\u5c06\u53cd\u6620\u5728\u539f\u59cb\u53d8\u91cf\u4e0a\u3002\u90e8\u5206\u5f15\u7528\u4f20\u9012\u5141\u8bb8\u5728\u540c\u4e00\u51fd\u6570\u4e2d\u6df7\u5408\u4f20\u9012\u526f\u672c\u548c\u5f15\u7528\u3002\u7406\u89e3\u8fd9\u4e9b\u4f20\u9012\u673a\u5236\u5bf9\u4e8e\u5145\u5206\u5229\u7528 PHP \u51fd\u6570\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u4e2d\u53c2\u6570\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u53ef\u884c\u6027<\/strong><\/p>\n

\u5f15\u8a00<\/strong><\/p>\n

\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u901a\u5e38\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u53c2\u6570\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u8c03\u7528\u65b9\u4f20\u9012\u7684\u539f\u59cb\u53d8\u91cf\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u5e0c\u671b\u51fd\u6570\u5bf9\u539f\u59cb\u53d8\u91cf\u8fdb\u884c\u66f4\u6539\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5728 PHP \u51fd\u6570\u4e2d\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c2\u6570\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u53c2\u6570\u7684\u53ef\u884c\u6027\u3002<\/p>\n

\u4f5c\u4e3a\u526f\u672c\u4f20\u9012<\/strong><\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cPHP \u4e2d\u7684\u53c2\u6570\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u3002\u8fd9\u610f\u5473\u7740\u51fd\u6570\u6536\u5230\u539f\u59cb\u53d8\u91cf\u7684\u526f\u672c\uff0c\u5e76\u4e14\u5bf9\u526f\u672c\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n

function add($a) {\n  $a++;\n}\n\n$x = 10;\nadd($x);\necho $x; \/\/ \u8f93\u51fa\uff1a10<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c$a<\/code> \u662f\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u7ed9 add<\/code> \u51fd\u6570\u7684\u3002\u5bf9 $a<\/code> \u6240\u505a\u7684\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd $x<\/code> \u7684\u503c\u3002<\/p>\n
\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012<\/strong><\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 &<\/code> \u7b26\u53f7\u5c06\u53c2\u6570\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u3002\u8fd9\u8868\u793a\u51fd\u6570\u63a5\u6536\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u526f\u672c\u3002\u56e0\u6b64\uff0c\u5bf9\u5f15\u7528\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u5c06\u53cd\u6620\u5728\u539f\u59cb\u53d8\u91cf\u4e0a\u3002\u4f8b\u5982\uff1a<\/p>\n
function add(&$a) {\n  $a++;\n}\n\n$x = 10;\nadd($x);\necho $x; \/\/ \u8f93\u51fa\uff1a11<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c$a<\/code> \u662f\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7ed9 add<\/code> \u51fd\u6570\u7684\u3002\u5bf9 $a<\/code> \u6240\u505a\u7684\u66f4\u6539\u4f1a\u53cd\u6620\u5728 $x<\/code> \u7684\u503c\u4e0a\u3002<\/p>\n
\u90e8\u5206\u5f15\u7528\u4f20\u9012<\/strong><\/p>\n
PHP \u4e2d\u8fd8\u652f\u6301\u90e8\u5206\u5f15\u7528\u4f20\u9012\uff0c\u8fd9\u5141\u8bb8\u5728\u540c\u4e00\u51fd\u6570\u4e2d\u5c06\u67d0\u4e9b\u53c2\u6570\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\uff0c\u800c\u5176\u4ed6\u53c2\u6570\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u3002\u4e3a\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528 mixed ...$params<\/code> \u8bed\u6cd5\uff0c\u5176\u4e2d $params<\/code> \u662f\u4e00\u4e2a\u63a5\u6536\u6df7\u5408\u53c2\u6570\u5217\u8868\u7684\u53d8\u53c2\u51fd\u6570\uff08variadic function\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n
function add($a, &$b = null) {\n  $a++;\n  if ($b !== null) {\n    $b++;\n  }\n}\n\n$x = 10;\n$y = 15;\nadd($x);\necho $x; \/\/ \u8f93\u51fa\uff1a10\n\nadd($y, $y);\necho $y; \/\/ \u8f93\u51fa\uff1a16<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c$a<\/code> \u4f5c\u4e3a\u526f\u672c\u4f20\u9012\uff0c$b<\/code> \u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff08\u53ef\u9009\uff09\u3002\u8fd9\u610f\u5473\u7740\u5bf9 $a<\/code> \u6240\u505a\u7684\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\uff0c\u800c\u5bf9 $b<\/code> \u6240\u505a\u7684\u66f4\u6539\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u53d8\u91cf\u4e0a\u3002<\/p>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u66f4\u65b0\u8868\u5355\u503c<\/strong><\/p>\n
\u5728\u5904\u7406 HTML \u8868\u5355\u65f6\uff0cPHP \u901a\u5e38\u4f1a\u5c06\u8868\u5355\u5143\u7d20\u7684\u503c\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u7ed9\u5904\u7406\u51fd\u6570\u3002\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u65b9\u4fbf\u5730\u66f4\u65b0\u539f\u59cb\u8868\u5355\u5143\u7d20\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n
<?php\nfunction updateForm($form) {\n  foreach ($form as &$value) {\n    \/\/ \u5904\u7406\u8868\u5355\u5143\u7d20\u5e76\u66f4\u65b0 $value\n  }\n}\n\nupdateForm($_POST);\n?><\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c$form<\/code> \u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7ed9 updateForm<\/code> \u51fd\u6570\u3002\u8fd9\u5141\u8bb8\u51fd\u6570\u66f4\u65b0\u539f\u59cb POST \u6570\u7ec4\u4e2d\u7684\u8868\u5355\u5143\u7d20\u503c\u3002<\/p>\n
\u7ed3\u8bba<\/strong><\/p>\n
PHP \u4e3a\u51fd\u6570\u53c2\u6570\u63d0\u4f9b\u4e86\u526f\u672c\u4f20\u9012\u548c\u5f15\u7528\u4f20\u9012\u4e24\u79cd\u9009\u9879\u3002\u901a\u8fc7\u4f7f\u7528\u5f15\u7528\u4f20\u9012\uff0c\u53ef\u4ee5\u5141\u8bb8\u51fd\u6570\u5bf9\u539f\u59cb\u53d8\u91cf\u8fdb\u884c\u66f4\u6539\u3002\u90e8\u5206\u5f15\u7528\u4f20\u9012\u63d0\u4f9b\u4e86\u5c06\u67d0\u4e9b\u53c2\u6570\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u800c\u5c06\u5176\u4ed6\u53c2\u6570\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u7075\u6d3b\u6027\u3002\u7406\u89e3\u8fd9\u4e9b\u4f20\u9012\u673a\u5236\u5bf9\u4e8e\u5145\u5206\u5229\u7528 PHP \u51fd\u6570\u975e\u5e38\u91cd\u8981\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u300aPHP \u51fd\u6570\u4e2d\u53c2\u6570\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u53ef\u884c\u6027\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u51fd\u6570\u53c2\u6570,\u4f20\u9012\u65b9\u5f0f\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP \u51fd\u6570\u4e2d\u53c2\u6570\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u53ef\u884c\u6027\uff1f \u7c73\u4e91\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u4e2d\u53c2\u6570\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u53ef\u884c\u6027\uff1f\u300b\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01 PHP \u51fd\u6570\u53c2\u6570\u65e2\u53ef\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\uff0c\u53c8\u53ef\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u53c2\u6570\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u3002\u4f7f\u7528 & \u7b26\u53f7\u53ef\u5c06\u53c2\u6570\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff0c\u5bf9\u5f15\u7528\u6240\u505a\u7684\u66f4\u6539\u5c06\u53cd\u6620\u5728\u539f\u59cb\u53d8\u91cf\u4e0a\u3002\u90e8\u5206\u5f15\u7528\u4f20\u9012\u5141\u8bb8\u5728\u540c\u4e00\u51fd\u6570\u4e2d\u6df7\u5408\u4f20\u9012\u526f\u672c\u548c\u5f15\u7528\u3002\u7406\u89e3\u8fd9\u4e9b\u4f20\u9012\u673a\u5236\u5bf9\u4e8e\u5145\u5206\u5229\u7528 PHP \u51fd\u6570\u81f3\u5173\u91cd\u8981\u3002 PHP \u51fd\u6570\u4e2d\u53c2\u6570\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u7684\u53ef\u884c\u6027 \u5f15\u8a00 \u5728 PHP \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u901a\u5e38\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u53c2\u6570\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u8c03\u7528\u65b9\u4f20\u9012\u7684\u539f\u59cb\u53d8\u91cf\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u5e0c\u671b\u51fd\u6570\u5bf9\u539f\u59cb\u53d8\u91cf\u8fdb\u884c\u66f4\u6539\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5728 PHP \u51fd\u6570\u4e2d\u65e2\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u53c2\u6570\u53c8\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u53c2\u6570\u7684\u53ef\u884c\u6027\u3002 \u4f5c\u4e3a\u526f\u672c\u4f20\u9012 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cPHP \u4e2d\u7684\u53c2\u6570\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u3002\u8fd9\u610f\u5473\u7740\u51fd\u6570\u6536\u5230\u539f\u59cb\u53d8\u91cf\u7684\u526f\u672c\uff0c\u5e76\u4e14\u5bf9\u526f\u672c\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u3002\u4f8b\u5982\uff1a function add($a) { $a++; } $x = 10; add($x); echo $x; \/\/ \u8f93\u51fa\uff1a10 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c$a \u662f\u4f5c\u4e3a\u526f\u672c\u4f20\u9012\u7ed9 add \u51fd\u6570\u7684\u3002\u5bf9 $a \u6240\u505a\u7684\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd $x \u7684\u503c\u3002 \u4f5c\u4e3a\u5f15\u7528\u4f20\u9012 \u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 & \u7b26\u53f7\u5c06\u53c2\u6570\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\u3002\u8fd9\u8868\u793a\u51fd\u6570\u63a5\u6536\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u526f\u672c\u3002\u56e0\u6b64\uff0c\u5bf9\u5f15\u7528\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u5c06\u53cd\u6620\u5728\u539f\u59cb\u53d8\u91cf\u4e0a\u3002\u4f8b\u5982\uff1a function add(&$a) { $a++; } $x = 10; add($x); […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48149","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48149"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48149\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}