{"id":133534,"date":"2024-04-28T11:40:15","date_gmt":"2024-04-28T03:40:15","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/133534.html"},"modified":"2024-04-28T11:40:19","modified_gmt":"2024-04-28T03:40:19","slug":"php%e5%85%b3%e9%94%ae%e5%ad%97%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/133534.html","title":{"rendered":"php\u5173\u952e\u5b57\u6709\u54ea\u4e9b"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24131718\/d51ea272-e578-4789-a108-8555a8964911.webp\" alt=\"php\u5173\u952e\u5b57\u6709\u54ea\u4e9b\" \/><\/p>\n<p><p>PHP \u5173\u952e\u5b57\u6307\u7684\u662f\u5728PHP\u8bed\u8a00\u4e2d\u9884\u5148\u5b9a\u4e49\u4e14\u5177\u6709\u7279\u6b8a\u610f\u4e49\u7684\u5355\u8bcd\u3002<strong>\u8fd9\u4e9b\u5305\u62ec\u7c7b\u578b\u540d\u3001\u63a7\u5236\u7ed3\u6784\u540d\u3001\u5e38\u91cf\u3001\u7c7b\u540d\u3001\u548c\u51fd\u6570\u7b49<\/strong>\u3002\u6709\u7684PHP\u5173\u952e\u5b57\u9700\u8981\u7279\u522b\u6ce8\u610f\uff0c\u56e0\u4e3a\u5b83\u4eec\u6784\u6210\u4e86\u7f16\u7a0b\u8bed\u6cd5\u7684\u57fa\u672c\u90e8\u5206\uff0c\u4f8b\u5982\u201cif\u201d\u3001\u201celse\u201d\u3001\u201cwhile\u201d\u3001\u201cecho\u201d\u3001\u201cclass\u201d\u7b49\uff0c\u5b83\u4eec\u5e2e\u52a9\u5b9a\u4e49\u64cd\u4f5c\u7684\u6d41\u7a0b\u3001\u6570\u636e\u7ed3\u6784\u548c\u5176\u4ed6\u91cd\u8981\u7684\u7f16\u7a0b\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001<strong>PHP\u57fa\u672c\u5173\u952e\u5b57<\/strong><\/p>\n<\/p>\n<p><p>\u5728PHP\u4e2d\uff0c<strong>\u57fa\u672c\u5173\u952e\u5b57\u5305\u62ec\u63a7\u5236\u7ed3\u6784\u548c\u6570\u636e\u7c7b\u578b\u7b49<\/strong>\u3002\u8fd9\u4e9b\u5173\u952e\u5b57\u662f\u9ad8\u9891\u4f7f\u7528\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u6784\u5efa\u8d77\u57fa\u672c\u7684\u7a0b\u5e8f\u903b\u8f91\u548c\u7ed3\u6784\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u63a7\u5236\u7ed3\u6784\u5173\u952e\u5b57<\/strong>: <code>if<\/code>\u3001<code>else<\/code>\u3001<code>while<\/code>\u3001<code>do<\/code>\u3001<code>for<\/code>\u3001<code>foreach<\/code>\u3001<code>switch<\/code>\u3001<code>case<\/code>\u3001<code>break<\/code>\u3001<code>continue<\/code>\u3001<code>goto<\/code>\u3002<\/li>\n<li><strong>\u6570\u636e\u7c7b\u578b\u5173\u952e\u5b57<\/strong>: <code>array<\/code>\u3001<code>bool<\/code>\uff08\u6216<code>boolean<\/code>\uff09\u3001<code>int<\/code>\uff08\u6216<code>integer<\/code>\uff09\u3001<code>float<\/code>\uff08\u6216<code>double<\/code>\u548c<code>real<\/code>\uff09\u3001<code>string<\/code>\u3001<code>object<\/code>\u3001<code>callable<\/code>\u3001<code>iterable<\/code>\u3002<\/li>\n<\/ul>\n<p><p>\u63a7\u5236\u7ed3\u6784\u5173\u952e\u5b57\u7528\u4e8e\u6784\u9020\u7a0b\u5e8f\u4e2d\u7684\u6761\u4ef6\u548c\u5faa\u73af\u903b\u8f91\uff0c\u800c\u6570\u636e\u7c7b\u578b\u5173\u952e\u5b57\u5219\u7528\u4e8e\u5b9a\u4e49\u53d8\u91cf\u548c\u51fd\u6570\u7684\u53c2\u6570\u6216\u8fd4\u56de\u7c7b\u578b\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001<strong>\u7c7b\u548c\u5bf9\u8c61\u76f8\u5173\u5173\u952e\u5b57<\/strong><\/p>\n<\/p>\n<p><p>PHP\u4f5c\u4e3a\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u8bed\u8a00\uff0c<strong>\u63d0\u4f9b\u4e86\u4e00\u5957\u4e30\u5bcc\u7684\u5173\u952e\u5b57\u7528\u4e8e\u7c7b\u548c\u5bf9\u8c61\u7684\u5b9a\u4e49\u548c\u5904\u7406<\/strong>\u3002\u8fd9\u4e9b\u5173\u952e\u5b57\u5bf9\u4e8e\u6784\u9020\u590d\u6742\u7684\u8f6f\u4ef6\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002\u4e3b\u8981\u7684\u5173\u952e\u5b57\u5305\u62ec\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u7c7b\u5b9a\u4e49\u5173\u952e\u5b57<\/strong>: <code>class<\/code>\u3001<code>interface<\/code>\u3001<code>tr<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t<\/code>\u3001<code>extends<\/code>\u3001<code>implements<\/code>\u3001<code>abstract<\/code>\u3001<code>final<\/code>\u3002<\/li>\n<li><strong>\u5bf9\u8c61\u64cd\u4f5c\u5173\u952e\u5b57<\/strong>: <code>new<\/code>\u3001<code>clone<\/code>\u3001<code>var<\/code>\u3001<code>instanceof<\/code>\u3001<code>public<\/code>\u3001<code>protected<\/code>\u3001<code>private<\/code>\u3001<code>static<\/code>\u3001<code>const<\/code>\u3001<code>this<\/code>\u3002<\/li>\n<\/ul>\n<p><p>\u7c7b\u548c\u5bf9\u8c61\u76f8\u5173\u5173\u952e\u5b57\u5141\u8bb8\u7a0b\u5e8f\u5458\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\u548c\u884c\u4e3a\uff0c\u8bbe\u7f6e\u8bbf\u95ee\u63a7\u5236\u6743\uff0c\u5e76\u901a\u8fc7\u7ee7\u627f\u548c\u63a5\u53e3\u6765\u589e\u5f3a\u7c7b\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001<strong>\u51fd\u6570\u5b9a\u4e49\u548c\u64cd\u4f5c\u5173\u952e\u5b57<\/strong><\/p>\n<\/p>\n<p><p>\u5728PHP\u4e2d\uff0c\u51fd\u6570\u662f\u91cd\u7528\u4ee3\u7801\u7684\u57fa\u672c\u65b9\u5f0f\u3002<strong>\u5b9a\u4e49\u548c\u64cd\u4f5c\u51fd\u6570\u6240\u4f7f\u7528\u7684\u5173\u952e\u5b57\u5bf9\u7a0b\u5e8f\u7684\u7ec4\u7ec7\u548c\u6a21\u5757\u5316\u8d77\u7740\u5173\u952e\u4f5c\u7528<\/strong>\u3002\u8fd9\u4e9b\u5173\u952e\u5b57\u5305\u62ec\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u51fd\u6570\u5b9a\u4e49\u5173\u952e\u5b57<\/strong>: <code>function<\/code>\u3001<code>return<\/code>\u3001<code>yield<\/code>\u3002<\/li>\n<li><strong>\u53c2\u6570\u548c\u8fd4\u56de\u503c\u5173\u952e\u5b57<\/strong>: <code>use<\/code>\uff08\u95ed\u5305\u4e2d\uff09\u3001<code>global<\/code>\u3001<code>static<\/code>\uff08\u5c40\u90e8\u9759\u6001\u53d8\u91cf\uff09\u3001<code>byref<\/code>\uff08\u901a\u8fc7\u5f15\u7528\u4f20\u9012<code>&amp;<\/code>\uff09\u3002<\/li>\n<\/ul>\n<p><p>\u8fd9\u4e9b\u5173\u952e\u5b57\u5e2e\u52a9\u5b9a\u4e49\u51fd\u6570\u7684\u4f5c\u7528\u57df\u3001\u8fd4\u56de\u503c\u4ee5\u53ca\u5982\u4f55\u5904\u7406\u5165\u53c2\u7b49\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001<strong>\u9519\u8bef\u5904\u7406\u5173\u952e\u5b57<\/strong><\/p>\n<\/p>\n<p><p>\u9519\u8bef\u5904\u7406\u662f\u7f16\u7a0b\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u90e8\u5206\u3002\u5728PHP\u4e2d\uff0c<strong>\u7528\u4e8e\u9519\u8bef\u5904\u7406\u7684\u5173\u952e\u5b57\u8ba9\u5f00\u53d1\u8005\u80fd\u591f\u4f18\u96c5\u5730\u6355\u6349\u548c\u5904\u7406\u7a0b\u5e8f\u8fd0\u884c\u65f6\u7684\u95ee\u9898<\/strong>\u3002\u76f8\u5173\u5173\u952e\u5b57\u5305\u62ec\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u9519\u8bef\u5904\u7406\u5173\u952e\u5b57<\/strong>: <code>try<\/code>\u3001<code>catch<\/code>\u3001<code>finally<\/code>\u3001<code>throw<\/code>\u3001<code>exception<\/code>\u3002<\/li>\n<\/ul>\n<p><p>\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u5173\u952e\u5b57\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5b9a\u4e49\u5f02\u5e38\u5904\u7406\u903b\u8f91\uff0c\u786e\u4fdd\u7a0b\u5e8f\u80fd\u591f\u5728\u9762\u5bf9\u9519\u8bef\u65f6\u7ef4\u62a4\u4e00\u5b9a\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001<strong>\u5176\u4ed6\u91cd\u8981\u5173\u952e\u5b57<\/strong><\/p>\n<\/p>\n<p><p>\u9664\u4e86\u4e0a\u6587\u63d0\u5230\u7684\u8fd9\u4e9b\uff0c\u8fd8\u6709\u4e00\u4e9b\u5173\u952e\u5b57\u5728\u67d0\u4e9b\u7279\u5b9a\u60c5\u5883\u4e0b\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u5bfc\u5165\u548c\u547d\u540d\u7a7a\u95f4\u5173\u952e\u5b57<\/strong>: <code>namespace<\/code>\u3001<code>use<\/code>\u3001<code>as<\/code>\u3002<\/li>\n<li><strong>\u5176\u4ed6\u8bed\u8a00\u7ed3\u6784\u5173\u952e\u5b57<\/strong>: <code>echo<\/code>\u3001<code>print<\/code>\u3001<code>exit<\/code>\uff08\u6216<code>die<\/code>\uff09\u3001<code>unset<\/code>\u3001<code>isset<\/code>\u3001<code>empty<\/code>\u3001<code>include<\/code>\u3001<code>require<\/code>\u3001<code>include_once<\/code>\u3001<code>require_once<\/code>\u3002<\/li>\n<\/ul>\n<p><p>\u8fd9\u4e9b\u5173\u952e\u5b57\u7528\u4e8e\u7a0b\u5e8f\u7684\u6587\u4ef6\u7ec4\u7ec7\u3001\u6570\u636e\u8f93\u51fa\u3001\u7a0b\u5e8f\u7ec8\u6b62\u548c\u53d8\u91cf\u68c0\u67e5\u7b49\u5404\u79cd\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u603b\u7ed3\u8d77\u6765\uff0cPHP\u5173\u952e\u5b57\u662f\u6784\u6210PHP\u7f16\u7a0b\u8bed\u8a00\u6838\u5fc3\u7684\u8bcd\u6c47\uff0c\u5b83\u4eec\u63d0\u4f9b\u4e86\u6267\u884c\u5404\u79cd\u7f16\u7a0b\u4efb\u52a1\u6240\u9700\u7684\u57fa\u7840\u8bbe\u65bd\u3002\u7531\u4e8e\u8fd9\u4e9b\u5173\u952e\u5b57\u5b9a\u4e49\u4e86\u8bed\u8a00\u7684\u57fa\u672c\u89c4\u5219\uff0c\u56e0\u6b64\u5728\u7f16\u5199PHP\u4ee3\u7801\u65f6\uff0c\u4e86\u89e3\u5e76\u6b63\u786e\u4f7f\u7528\u8fd9\u4e9b\u5173\u952e\u5b57\u5bf9\u5f00\u53d1\u6709\u6548\u3001\u9ad8\u6548\u7684\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. \u4ec0\u4e48\u662fPHP\u5173\u952e\u5b57\uff1f<\/strong><br \/>\nPHP\u5173\u952e\u5b57\u662f\u4e00\u4e9b\u88abPHP\u8bed\u8a00\u4fdd\u7559\u7684\u5355\u8bcd\uff0c\u5177\u6709\u7279\u5b9a\u7684\u542b\u4e49\u548c\u529f\u80fd\u3002\u4f7f\u7528\u8fd9\u4e9b\u5173\u952e\u5b57\u53ef\u4ee5\u5b9e\u73b0\u5404\u79cd\u64cd\u4f5c\u548c\u63a7\u5236\u8bed\u53e5\u3002<\/p>\n<p><strong>2. PHP\u5173\u952e\u5b57\u7684\u4f5c\u7528\u548c\u529f\u80fd\u6709\u54ea\u4e9b\uff1f<\/strong><br \/>\nPHP\u5173\u952e\u5b57\u6db5\u76d6\u4e86\u5f88\u591a\u65b9\u9762\uff0c\u5305\u62ec\u53d8\u91cf\u5b9a\u4e49\uff08\u4f8b\u5982\uff1a$var\uff09\u3001\u51fd\u6570\u5b9a\u4e49\uff08\u5982\uff1afunction\uff09\u3001\u5faa\u73af\u7ed3\u6784\uff08\u5982\uff1afor\u3001while\uff09\u3001\u6761\u4ef6\u5224\u65ad\uff08\u5982\uff1aif\u3001else\uff09\u3001\u5e38\u91cf\u58f0\u660e\uff08\u5982\uff1aconst\uff09\u3001\u7c7b\u548c\u5bf9\u8c61\uff08\u5982\uff1aclass\u3001new\uff09\u7b49\u7b49\u3002\u8fd9\u4e9b\u5173\u952e\u5b57\u53ef\u4ee5\u5b9e\u73b0\u53d8\u91cf\u64cd\u4f5c\u3001\u63a7\u5236\u6d41\u7a0b\u3001\u8c03\u7528\u51fd\u6570\u3001\u521b\u5efa\u7c7b\u5bf9\u8c61\u7b49\u5404\u79cd\u7f16\u7a0b\u529f\u80fd\u3002<\/p>\n<p><strong>3. \u5982\u4f55\u6b63\u786e\u4f7f\u7528PHP\u5173\u952e\u5b57\uff1f<\/strong><br \/>\n\u6b63\u786e\u4f7f\u7528PHP\u5173\u952e\u5b57\u662f\u7a0b\u5e8f\u5f00\u53d1\u7684\u57fa\u7840\u3002\u8981\u5408\u7406\u4f7f\u7528\u5173\u952e\u5b57\uff0c\u5e76\u9075\u5b88\u76f8\u5173\u7684\u7f16\u7a0b\u89c4\u8303\u548c\u6700\u4f73\u5b9e\u8df5\u3002\u4f8b\u5982\uff0c\u5728\u5b9a\u4e49\u53d8\u91cf\u65f6\uff0c\u4f7f\u7528\u5408\u9002\u7684\u5173\u952e\u5b57\uff08\u5982\uff1a$var\uff0c\u4ee3\u8868\u53d8\u91cf\uff09\u3001\u5728\u7f16\u5199\u5faa\u73af\u7ed3\u6784\u65f6\u4f7f\u7528\u6b63\u786e\u7684\u5173\u952e\u5b57\uff08\u5982\uff1afor\uff0c\u4ee3\u8868for\u5faa\u73af\uff09\u3001\u5728\u6761\u4ef6\u5224\u65ad\u65f6\u4f7f\u7528\u5408\u9002\u7684\u5173\u952e\u5b57\uff08\u5982\uff1aif\u3001else\uff0c\u4ee3\u8868\u6761\u4ef6\u5224\u65ad\uff09\u7b49\u7b49\u3002\u6b64\u5916\uff0c\u5173\u952e\u5b57\u7684\u5927\u5c0f\u5199\u4e5f\u662f\u9700\u8981\u6ce8\u610f\u7684\uff0cPHP\u5173\u952e\u5b57\u662f\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\uff0c\u4f46\u4e3a\u4e86\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u5efa\u8bae\u9075\u5faa\u7ea6\u5b9a\uff0c\u5e38\u7528\u7684\u5173\u952e\u5b57\u4f7f\u7528\u5c0f\u5199\u5f62\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"PHP \u5173\u952e\u5b57\u6307\u7684\u662f\u5728PHP\u8bed\u8a00\u4e2d\u9884\u5148\u5b9a\u4e49\u4e14\u5177\u6709\u7279\u6b8a\u610f\u4e49\u7684\u5355\u8bcd\u3002\u8fd9\u4e9b\u5305\u62ec\u7c7b\u578b\u540d\u3001\u63a7\u5236\u7ed3\u6784\u540d\u3001\u5e38\u91cf\u3001\u7c7b\u540d\u3001\u548c\u51fd\u6570 [&hellip;]","protected":false},"author":3,"featured_media":133540,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/133534"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=133534"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/133534\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/133540"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=133534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=133534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=133534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}