{"id":47453,"date":"2024-12-02T17:24:57","date_gmt":"2024-12-02T09:24:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47453\/"},"modified":"2024-12-02T17:24:57","modified_gmt":"2024-12-02T09:24:57","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e8%bf%94%e5%9b%9e%e5%80%bc%e8%bf%9b%e8%a1%8c%e9%94%99%e8%af%af%e5%a4%84%e7%90%86%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47453\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff1f"},"content":{"rendered":"

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

PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff1f<\/h1>\n

\u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

\u4f7f\u7528\u8fd4\u56de\u503c\u53ef\u5b9e\u73b0 PHP \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u5904\u7406\uff1a\u5728\u51fd\u6570\u4e2d\uff0c\u5224\u65ad\u9519\u8bef\u53d1\u751f\u65f6\u8fd4\u56de false \u6216\u9519\u8bef\u4ee3\u7801\uff0c\u6b63\u786e\u6267\u884c\u65f6\u8fd4\u56de\u6570\u636e\u3002\u5b9e\u9645\u8c03\u7528\u65f6\uff0c\u68c0\u67e5\u8fd4\u56de\u503c\uff1a=== false \u8868\u793a\u9519\u8bef\uff0c\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002\u5176\u4ed6\u8fd4\u56de\u503c\u8868\u793a\u6210\u529f\uff0c\u8fdb\u884c\u6210\u529f\u5904\u7406\u3002\u4f18\u70b9\uff1a\u7b80\u6d01\u3001\u7075\u6d3b\u3001\u6613\u4e8e\u8c03\u8bd5\u3002<\/p>\n

\"PHP<\/p>\n

\u5229\u7528\u8fd4\u56de\u503c\u5b9e\u73b0 PHP \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u5904\u7406<\/strong><\/p>\n

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

PHP \u51fd\u6570\u901a\u5e38\u4f1a\u8fd4\u56de\u4e00\u4e2a\u503c\u6216\u5e03\u5c14\u503c\u6765\u6307\u793a\u64cd\u4f5c\u662f\u5426\u6210\u529f\u3002\u6b64\u5916\uff0c\u5b83\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8fd4\u56de\u503c\u6765\u4f20\u8f93\u9519\u8bef\u4fe1\u606f\uff0c\u8fd9\u662f\u4e00\u79cd\u5904\u7406\u9519\u8bef\u7684\u4fbf\u6377\u800c\u9ad8\u6548\u7684\u65b9\u5f0f\u3002<\/p>\n

\u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406<\/strong><\/p>\n

\u8981\u5229\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff0c\u8bf7\u5728\u51fd\u6570\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u7ed3\u6784\uff1a<\/p>\n

function myfunction() {\n    \/\/ \u4ee3\u7801...\n    if (error_occurred) {\n        return false; \/\/ \u6216\u4e00\u4e2a\u9519\u8bef\u4ee3\u7801\n    } else {\n        return $data; \/\/ \u6216\u6240\u9700\u7684\u8fd4\u56de\u503c\n    }\n}<\/pre>\n
\u5728\u5b9e\u9645\u8c03\u7528\u4e2d\uff0c\u4f60\u53ef\u4ee5\u68c0\u67e5\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff1a<\/p>\n
$result = myfunction();\nif ($result === false) {\n    \/\/ \u9519\u8bef\u5904\u7406\u4ee3\u7801\n} else {\n    \/\/ \u6210\u529f\u5904\u7406\u4ee3\u7801\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u8003\u8651\u4e00\u4e2a\u6587\u4ef6\u4e0a\u4f20\u51fd\u6570\uff1a<\/p>\n
function upload_file($file) {\n    if (!$file['size'] > 0) {\n        return '\u6587\u4ef6\u4e3a\u7a7a\u3002';\n    }\n\n    $target_path = \"\/uploads\/\" . $file['name'];\n    if (!move_uploaded_file($file['tmp_name'], $target_path)) {\n        return '\u4e0a\u4f20\u6587\u4ef6\u5931\u8d25\u3002';\n    }\n\n    return true;\n}<\/pre>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570\u8fd4\u56de\u4ee5\u4e0b\u8fd4\u56de\u503c\uff1a<\/p>\n
    \n
  • \u6587\u4ef6\u4e3a\u7a7a<\/code>\uff1a\u6587\u4ef6\u662f\u7a7a\u7684\u3002<\/li>\n
  • \u4e0a\u4f20\u6587\u4ef6\u5931\u8d25<\/code>\uff1a\u4e0a\u4f20\u64cd\u4f5c\u5931\u8d25\u3002<\/li>\n
  • true<\/code>\uff1a\u4e0a\u4f20\u6210\u529f\u3002<\/li>\n<\/ul>\n
    \u4f18\u70b9<\/strong><\/p>\n
    \u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n
      \n
    • \u7b80\u6d01<\/strong>\uff1a\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u800c\u4e00\u81f4\u7684\u65b9\u5f0f\u6765\u5904\u7406\u9519\u8bef\u3002<\/li>\n
    • \u7075\u6d3b\u6027<\/strong>\uff1a\u4f60\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u9519\u8bef\u4ee3\u7801\u6216\u6d88\u606f\u6765\u6ee1\u8db3\u7279\u5b9a\u7684\u9700\u6c42\u3002<\/li>\n
    • \u6613\u4e8e\u8c03\u8bd5<\/strong>\uff1a\u901a\u8fc7\u68c0\u67e5\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u8bc6\u522b\u9519\u8bef\u7684\u6e90\u5934\u3002<\/li>\n<\/ul>\n
      \u4eca\u5929\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u9519\u8bef\u5904\u7406\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff1f \u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01 \u4f7f\u7528\u8fd4\u56de\u503c\u53ef\u5b9e\u73b0 PHP \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u5904\u7406\uff1a\u5728\u51fd\u6570\u4e2d\uff0c\u5224\u65ad\u9519\u8bef\u53d1\u751f\u65f6\u8fd4\u56de false \u6216\u9519\u8bef\u4ee3\u7801\uff0c\u6b63\u786e\u6267\u884c\u65f6\u8fd4\u56de\u6570\u636e\u3002\u5b9e\u9645\u8c03\u7528\u65f6\uff0c\u68c0\u67e5\u8fd4\u56de\u503c\uff1a=== false \u8868\u793a\u9519\u8bef\uff0c\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002\u5176\u4ed6\u8fd4\u56de\u503c\u8868\u793a\u6210\u529f\uff0c\u8fdb\u884c\u6210\u529f\u5904\u7406\u3002\u4f18\u70b9\uff1a\u7b80\u6d01\u3001\u7075\u6d3b\u3001\u6613\u4e8e\u8c03\u8bd5\u3002 \u5229\u7528\u8fd4\u56de\u503c\u5b9e\u73b0 PHP \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u5904\u7406 \u5f15\u8a00 PHP \u51fd\u6570\u901a\u5e38\u4f1a\u8fd4\u56de\u4e00\u4e2a\u503c\u6216\u5e03\u5c14\u503c\u6765\u6307\u793a\u64cd\u4f5c\u662f\u5426\u6210\u529f\u3002\u6b64\u5916\uff0c\u5b83\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8fd4\u56de\u503c\u6765\u4f20\u8f93\u9519\u8bef\u4fe1\u606f\uff0c\u8fd9\u662f\u4e00\u79cd\u5904\u7406\u9519\u8bef\u7684\u4fbf\u6377\u800c\u9ad8\u6548\u7684\u65b9\u5f0f\u3002 \u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406 \u8981\u5229\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff0c\u8bf7\u5728\u51fd\u6570\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u7ed3\u6784\uff1a function myfunction() { \/\/ \u4ee3\u7801… if (error_occurred) { return false; \/\/ \u6216\u4e00\u4e2a\u9519\u8bef\u4ee3\u7801 } else { return $data; \/\/ \u6216\u6240\u9700\u7684\u8fd4\u56de\u503c } } \u5728\u5b9e\u9645\u8c03\u7528\u4e2d\uff0c\u4f60\u53ef\u4ee5\u68c0\u67e5\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff1a $result = myfunction(); if ($result === false) { \/\/ \u9519\u8bef\u5904\u7406\u4ee3\u7801 } else { \/\/ […]<\/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-47453","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47453","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=47453"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47453\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}