{"id":48558,"date":"2024-12-02T12:35:09","date_gmt":"2024-12-02T04:35:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48558\/"},"modified":"2024-12-02T12:35:09","modified_gmt":"2024-12-02T04:35:09","slug":"%e8%a7%a3%e5%86%b3-php-%e5%87%bd%e6%95%b0%e4%bd%bf%e7%94%a8%e4%b8%ad%e5%b8%b8%e8%a7%81%e9%94%99%e8%af%af%e7%9a%84%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48558\/","title":{"rendered":"\u89e3\u51b3 PHP \u51fd\u6570\u4f7f\u7528\u4e2d\u5e38\u89c1\u9519\u8bef\u7684\u6307\u5357"},"content":{"rendered":"

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

\u89e3\u51b3 PHP \u51fd\u6570\u4f7f\u7528\u4e2d\u5e38\u89c1\u9519\u8bef\u7684\u6307\u5357<\/h1>\n

\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60\u6587\u7ae0<\/span>\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u89e3\u51b3 PHP \u51fd\u6570\u4f7f\u7528\u4e2d\u5e38\u89c1\u9519\u8bef\u7684\u6307\u5357\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\"\u89e3\u51b3<\/p>\n

PHP \u51fd\u6570\u4f7f\u7528\u4e2d\u7684\u5e38\u89c1\u9519\u8bef\u6307\u5357<\/strong><\/p>\n

PHP \u51fd\u6570\u5bf9\u4e8e\u4efb\u4f55 PHP \u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u5de5\u5177\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u51fd\u6570\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u60a8\u7684\u4ee3\u7801\u51fa\u73b0\u610f\u60f3\u4e0d\u5230\u7684\u884c\u4e3a\u3002<\/p>\n

1. \u53c2\u6570\u9519\u8bef<\/strong><\/p>\n

\u53c2\u6570\u9519\u8bef\u662f\u6700\u5e38\u89c1\u7684 PHP \u51fd\u6570\u9519\u8bef\u7c7b\u578b\u4e4b\u4e00\u3002\u8fd9\u4e9b\u9519\u8bef\u901a\u5e38\u4f1a\u53d1\u751f\u5728\u60a8\u5c06\u9519\u8bef\u6570\u91cf\u6216\u7c7b\u578b\u7684\u6570\u636e\u4f20\u9012\u7ed9\u51fd\u6570\u65f6\u3002<\/p>\n

<?php\nfunction addNumbers($a, $b) {\n  return $a + $b;\n}\n\n\/\/ \u8c03\u7528 addNumbers() \u51fd\u6570\uff0c\u4f20\u9012\u4e00\u4e2a\u5b57\u7b26\u4e32\u53c2\u6570\necho addNumbers('1', '2'); \/\/ \u8f93\u51fa\uff1a3\n?><\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u60a8\u5c06\u5b57\u7b26\u4e32 ‘1’ \u548c ‘2’ \u4f20\u9012\u7ed9 addNumbers() \u51fd\u6570\uff0c\u671f\u671b\u5f97\u5230\u6570\u5b57 3\u3002\u4f46\u662f\uff0c\u51fd\u6570\u4f1a\u5c06\u5b57\u7b26\u4e32\u8fde\u63a5\u8d77\u6765\uff0c\u5e76\u8fd4\u56de\u5b57\u7b26\u4e32 ’12’\u3002\u8981\u907f\u514d\u6b64\u9519\u8bef\uff0c\u8bf7\u786e\u4fdd\u59cb\u7ec8\u4f20\u9012\u6b63\u786e\u6570\u91cf\u548c\u7c7b\u578b\u7684\u53c2\u6570\u7ed9\u51fd\u6570\u3002<\/p>\n
2. \u8fd4\u56de\u503c\u9519\u8bef<\/strong><\/p>\n
\u53e6\u4e00\u79cd\u5e38\u89c1\u7684\u9519\u8bef\u7c7b\u578b\u662f\u8fd4\u56de\u503c\u9519\u8bef\u3002\u8fd9\u4e9b\u9519\u8bef\u901a\u5e38\u4f1a\u53d1\u751f\u5728\u60a8\u6ca1\u6709\u6b63\u786e\u5904\u7406\u51fd\u6570\u7684\u8fd4\u56de\u503c\u65f6\u3002<\/p>\n
<?php\nfunction getFileContents($filename) {\n  return file_get_contents($filename);\n}\n\n\/\/ \u8c03\u7528 getFileContents() \u51fd\u6570\uff0c\u4f46\u6ca1\u6709\u68c0\u67e5\u8fd4\u56de\u503c\n$fileContents = getFileContents('non-existent-file.txt');\n\n\/\/ \u5c1d\u8bd5\u6253\u5370\u6587\u4ef6\u5185\u5bb9\uff0c\u4f46\u4f1a\u629b\u51fa\u4e00\u4e2a\u9519\u8bef\necho $fileContents; \/\/ \u4f1a\u629b\u51fa \"\u6253\u5f00 non-existent-file.txt \u5931\u8d25\uff1a\"\u9519\u8bef\n?><\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u60a8\u8c03\u7528 getFileContents() \u51fd\u6570\uff0c\u4f46\u6ca1\u6709\u68c0\u67e5\u8fd4\u56de\u503c\u3002\u5f53\u4f20\u9012\u4e0d\u5b58\u5728\u7684\u6587\u4ef6\u540d\u65f6\uff0cfile_get_contents() \u51fd\u6570\u4f1a\u8fd4\u56de false\u3002\u60a8\u5c1d\u8bd5\u6253\u5370\u6587\u4ef6\u5185\u5bb9\u4f1a\u5bfc\u81f4\u51fa\u73b0\u9519\u8bef\uff0c\u56e0\u4e3a $fileContents \u5df2\u7ecf\u88ab\u8bbe\u7f6e\u4e3a\u4e86 false\u3002\u8981\u907f\u514d\u6b64\u9519\u8bef\uff0c\u8bf7\u52a1\u5fc5\u59cb\u7ec8\u68c0\u67e5\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u5e76\u76f8\u5e94\u5730\u5904\u7406\u7ed3\u679c\u3002<\/p>\n
3. \u53ef\u53d8\u53c2\u6570\u9519\u8bef<\/strong><\/p>\n
\u53ef\u53d8\u53c2\u6570\u9519\u8bef\u901a\u5e38\u4f1a\u53d1\u751f\u5728\u60a8\u4f7f\u7528\u51fd\u6570\u7684\u53ef\u53d8\u53c2\u6570\u91cf\u65f6\u3002<\/p>\n
<?php\nfunction printArguments(...) {\n  foreach (func_get_args() as $argument) {\n    echo $argument . \"<br>\";\n  }\n}\n\n\/\/ \u8c03\u7528 printArguments() \u51fd\u6570\uff0c\u4f20\u9012\u4e09\u4e2a\u53c2\u6570\nprintArguments(1, 'hello', true);\n\n\/\/ \u8f93\u51fa\uff1a\n\/\/ 1\n\/\/ hello\n\/\/ 1\n?><\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u60a8\u4f7f\u7528 func_get_args() \u51fd\u6570\u8bbf\u95ee\u53ef\u53d8\u53c2\u6570\u3002\u5f53\u60a8\u4f20\u9012\u4e09\u4e2a\u53c2\u6570\u65f6\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u6b63\u786e\u5730\u6253\u5370\u4e3a 1\u3002\u4f46\u662f\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570 ‘hello’ \u4f1a\u88ab\u5f3a\u5236\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u5e76\u6253\u5370\u4e3a 0\u3002\u7b2c\u4e09\u4e2a\u53c2\u6570 true \u4f1a\u88ab\u5f3a\u5236\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u5e76\u6253\u5370\u4e3a 1\u3002\u8981\u907f\u514d\u6b64\u9519\u8bef\uff0c\u8bf7\u786e\u4fdd\u5728\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u65f6\u6b63\u786e\u5904\u7406\u4f20\u5165\u7684\u6570\u636e\u3002<\/p>\n
\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n
\u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u65e8\u5728\u5728\u6570\u7ec4\u4e2d\u67e5\u627e\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n
<?php\nfunction findElement($array, $element) {\n  if (in_array($element, $array)) {\n    return true;\n  } else {\n    return false;\n  }\n}\n\n\/\/ \u8c03\u7528 findElement() \u51fd\u6570\uff0c\u4f7f\u7528\u9519\u8bef\u7684\u6570\u636e\u7c7b\u578b\n$result = findElement(1, 'hello'); \/\/ \u4f1a\u8fd4\u56de false\uff0c\u56e0\u4e3a\u53c2\u6570\u7c7b\u578b\u4e0d\u5339\u914d\n?><\/pre>\n
\u7531\u4e8e\u4f20\u9012\u4e86\u9519\u8bef\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6b64\u8c03\u7528\u4f1a\u8fd4\u56de false\u3002\u8981\u907f\u514d\u6b64\u9519\u8bef\uff0c\u8bf7\u4ed4\u7ec6\u68c0\u67e5\u60a8\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u7c7b\u578b\u3002<\/p>\n
\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u51c6\u5219\uff0c\u60a8\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u5728\u4f7f\u7528 PHP \u51fd\u6570\u65f6\u9047\u5230\u7684\u9519\u8bef\uff0c\u5e76\u7f16\u5199\u66f4\u5065\u58ee\u548c\u65e0\u9519\u8bef\u7684\u4ee3\u7801\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u89e3\u51b3 PHP \u51fd\u6570\u4f7f\u7528\u4e2d\u5e38\u89c1\u9519\u8bef\u7684\u6307\u5357\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u89e3\u51b3 PHP \u51fd\u6570\u4f7f\u7528\u4e2d\u5e38\u89c1\u9519\u8bef\u7684\u6307\u5357 \u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60\u6587\u7ae0\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u89e3\u51b3 PHP \u51fd\u6570\u4f7f\u7528\u4e2d\u5e38\u89c1\u9519\u8bef\u7684\u6307\u5357\u300b\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01 PHP \u51fd\u6570\u4f7f\u7528\u4e2d\u7684\u5e38\u89c1\u9519\u8bef\u6307\u5357 PHP \u51fd\u6570\u5bf9\u4e8e\u4efb\u4f55 PHP \u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u5de5\u5177\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u51fd\u6570\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u60a8\u7684\u4ee3\u7801\u51fa\u73b0\u610f\u60f3\u4e0d\u5230\u7684\u884c\u4e3a\u3002 1. \u53c2\u6570\u9519\u8bef \u53c2\u6570\u9519\u8bef\u662f\u6700\u5e38\u89c1\u7684 PHP \u51fd\u6570\u9519\u8bef\u7c7b\u578b\u4e4b\u4e00\u3002\u8fd9\u4e9b\u9519\u8bef\u901a\u5e38\u4f1a\u53d1\u751f\u5728\u60a8\u5c06\u9519\u8bef\u6570\u91cf\u6216\u7c7b\u578b\u7684\u6570\u636e\u4f20\u9012\u7ed9\u51fd\u6570\u65f6\u3002 <?php function addNumbers($a, $b) { return $a + $b; } \/\/ \u8c03\u7528 addNumbers() \u51fd\u6570\uff0c\u4f20\u9012\u4e00\u4e2a\u5b57\u7b26\u4e32\u53c2\u6570 echo addNumbers(‘1’, ‘2’); \/\/ \u8f93\u51fa\uff1a3 ?> \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u60a8\u5c06\u5b57\u7b26\u4e32 ‘1’ \u548c ‘2’ \u4f20\u9012\u7ed9 addNumbers() \u51fd\u6570\uff0c\u671f\u671b\u5f97\u5230\u6570\u5b57 3\u3002\u4f46\u662f\uff0c\u51fd\u6570\u4f1a\u5c06\u5b57\u7b26\u4e32\u8fde\u63a5\u8d77\u6765\uff0c\u5e76\u8fd4\u56de\u5b57\u7b26\u4e32 ’12’\u3002\u8981\u907f\u514d\u6b64\u9519\u8bef\uff0c\u8bf7\u786e\u4fdd\u59cb\u7ec8\u4f20\u9012\u6b63\u786e\u6570\u91cf\u548c\u7c7b\u578b\u7684\u53c2\u6570\u7ed9\u51fd\u6570\u3002 2. \u8fd4\u56de\u503c\u9519\u8bef \u53e6\u4e00\u79cd\u5e38\u89c1\u7684\u9519\u8bef\u7c7b\u578b\u662f\u8fd4\u56de\u503c\u9519\u8bef\u3002\u8fd9\u4e9b\u9519\u8bef\u901a\u5e38\u4f1a\u53d1\u751f\u5728\u60a8\u6ca1\u6709\u6b63\u786e\u5904\u7406\u51fd\u6570\u7684\u8fd4\u56de\u503c\u65f6\u3002 <?php function getFileContents($filename) { return file_get_contents($filename); […]<\/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-48558","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48558","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=48558"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48558\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}