{"id":48520,"date":"2024-12-02T16:14:39","date_gmt":"2024-12-02T08:14:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48520\/"},"modified":"2024-12-02T16:14:39","modified_gmt":"2024-12-02T08:14:39","slug":"php%e5%9d%97%e4%bd%9c%e7%94%a8%e5%9f%9f%e5%92%8c%e5%85%a8%e5%b1%80%e4%bd%9c%e7%94%a8%e5%9f%9f%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e5%8f%98%e9%87%8f%e7%bb%91%e5%ae%9a%e7%9a%84%e5%bc%ba%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48520\/","title":{"rendered":"PHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6<\/h1>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aPHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p>PHP \u53d8\u91cf\u7684\u4f5c\u7528\u57df\u5305\u62ec\u5168\u5c40\u4f5c\u7528\u57df\uff08\u811a\u672c\u4e2d\u4efb\u4f55\u5730\u65b9\u90fd\u53ef\u4ee5\u8bbf\u95ee\uff09\u548c\u5757\u4f5c\u7528\u57df\uff08\u4ec5\u5728\u5b9a\u4e49\u5b83\u4eec\u7684\u4ee3\u7801\u5757\u4e2d\u53ef\u7528\uff09\u3002\u53d8\u91cf\u7ed1\u5b9a\u5f3a\u5ea6\u8868\u793a\u53d8\u91cf\u5f15\u7528\u7279\u5b9a\u503c\u7684\u5f3a\u5ea6\uff1a\u5f3a\u7ed1\u5b9a\u4ec5\u7ed1\u5b9a\u5230\u4e00\u4e2a\u503c\uff0c\u800c\u5f31\u7ed1\u5b9a\u53ef\u4ee5\u91cd\u65b0\u5206\u914d\u3002\u5f3a\u7ed1\u5b9a\u53d8\u91cf\u5728\u5757\u4f5c\u7528\u57df\u4e2d\u5b9a\u4e49\uff0c\u800c\u5f31\u7ed1\u5b9a\u53d8\u91cf\u5728\u5168\u5c40\u4f5c\u7528\u57df\u4e2d\u5b9a\u4e49\uff0c\u5728\u5757\u4f5c\u7528\u57df\u4e2d\u91cd\u65b0\u5206\u914d\u3002\u4e86\u89e3\u4f5c\u7528\u57df\u548c\u7ed1\u5b9a\u5f3a\u5ea6\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u907f\u514d\u53d8\u91cf\u8986\u76d6\u548c\u786e\u4fdd\u4ee3\u7801\u6b63\u786e\u6027\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730073708671ed46c36aa2.jpg\" class=\"aligncenter\" title=\"PHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6\u63d2\u56fe\" alt=\"PHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\uff1a\u53d8\u91cf\u7ed1\u5b9a\u5f3a\u5ea6<\/strong><\/p>\n<p>PHP \u53d8\u91cf\u7684\u4f5c\u7528\u57df\u51b3\u5b9a\u4e86\u5b83\u4eec\u7684\u53ef\u7528\u6027\u548c\u7ed1\u5b9a\u5f3a\u5ea6\u3002\u6709\u4e24\u4e2a\u57fa\u672c\u4f5c\u7528\u57df\uff1a<\/p>\n<p><strong>\u5168\u5c40\u4f5c\u7528\u57df\uff1a<\/strong><\/p>\n<ul>\n<li>\u53d8\u91cf\u5728\u6574\u4e2a\u811a\u672c\u4e2d\u90fd\u53ef\u4ee5\u8bbf\u95ee\u3002<\/li>\n<li>\u5728\u51fd\u6570\u5916\u58f0\u660e\u7684\u53d8\u91cf\u5177\u6709\u5168\u5c40\u4f5c\u7528\u57df\u3002<\/li>\n<\/ul>\n<p><strong>\u5757\u4f5c\u7528\u57df\uff1a<\/strong><\/p>\n<ul>\n<li>\u53d8\u91cf\u4ec5\u5728\u5305\u542b\u5b83\u4eec\u7684\u4ee3\u7801\u5757\u4e2d\u53ef\u7528\u3002<\/li>\n<li>\u5728\u51fd\u6570\u3001\u7c7b\u65b9\u6cd5\u3001if \u8bed\u53e5\u3001\u5faa\u73af\u7b49\u4ee3\u7801\u5757\u4e2d\u58f0\u660e\u7684\u53d8\u91cf\u5177\u6709\u5757\u4f5c\u7528\u57df\u3002<\/li>\n<\/ul>\n<p><strong>\u53d8\u91cf\u7ed1\u5b9a\u5f3a\u5ea6<\/strong><\/p>\n<p>\u7ed1\u5b9a\u5f3a\u5ea6\u6307\u7684\u662f\u53d8\u91cf\u5f15\u7528\u7279\u5b9a\u503c\u7684\u7a0b\u5ea6\uff1a<\/p>\n<ul>\n<li><strong>\u5f31\u7ed1\u5b9a\uff1a<\/strong>\u53d8\u91cf\u53ef\u4ee5\u59cb\u7ec8\u91cd\u65b0\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u503c\u3002<\/li>\n<li><strong>\u5f3a\u7ed1\u5b9a\uff1a<\/strong>\u53d8\u91cf\u53ea\u7ed1\u5b9a\u5230\u4e00\u4e2a\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u5f3a\u7ed1\u5b9a\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u5168\u5c40\u4f5c\u7528\u57df\u4e2d\u5f3a\u7ed1\u5b9a\u7684\u53d8\u91cf\n$x = 10;\n\nfunction myFunction() {\n    \/\/ \u5757\u4f5c\u7528\u57df\u4e2d\u5f3a\u7ed1\u5b9a\u7684\u53d8\u91cf\n    $x = 20;\n\n    echo \"\u5185\u5c42\u7684 x: $x\"; \/\/ \u8f93\u51fa\uff1a20\n}\n\necho \"\u5916\u5c42\u7684 x: $x\"; \/\/ \u8f93\u51fa\uff1a10<\/pre>\n<p><strong>\u5f31\u7ed1\u5b9a\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u5168\u5c40\u4f5c\u7528\u57df\u4e2d\u5f31\u7ed1\u5b9a\u7684\u53d8\u91cf\n$x = 10;\n\nfunction myFunction() {\n    \/\/ \u5757\u4f5c\u7528\u57df\u4e2d\u5f31\u7ed1\u5b9a\u7684\u53d8\u91cf\n    $x = $x + 10;\n\n    echo \"\u5185\u5c42\u7684 x: $x\"; \/\/ \u8f93\u51fa\uff1a20\n}\n\necho \"\u5916\u5c42\u7684 x: $x\"; \/\/ \u8f93\u51fa\uff1a20<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u4e86\u89e3\u53d8\u91cf\u4f5c\u7528\u57df\u548c\u7ed1\u5b9a\u5f3a\u5ea6\u5bf9\u4e8e\u907f\u514d\u53d8\u91cf\u8986\u76d6\u548c\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u975e\u5e38\u91cd\u8981\u3002\u8bb0\u4f4f\uff0c\u5168\u5c40\u53d8\u91cf\u5177\u6709\u5f31\u7ed1\u5b9a\uff0c\u800c\u5757\u4f5c\u7528\u57df\u53d8\u91cf\u901a\u5e38\u5177\u6709\u5f3a\u7ed1\u5b9a\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aPHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6 \u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aPHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002 PHP \u53d8\u91cf\u7684\u4f5c\u7528\u57df\u5305\u62ec\u5168\u5c40\u4f5c\u7528\u57df\uff08\u811a\u672c\u4e2d\u4efb\u4f55\u5730\u65b9\u90fd\u53ef\u4ee5\u8bbf\u95ee\uff09\u548c\u5757\u4f5c\u7528\u57df\uff08\u4ec5\u5728\u5b9a\u4e49\u5b83\u4eec\u7684\u4ee3\u7801\u5757\u4e2d\u53ef\u7528\uff09\u3002\u53d8\u91cf\u7ed1\u5b9a\u5f3a\u5ea6\u8868\u793a\u53d8\u91cf\u5f15\u7528\u7279\u5b9a\u503c\u7684\u5f3a\u5ea6\uff1a\u5f3a\u7ed1\u5b9a\u4ec5\u7ed1\u5b9a\u5230\u4e00\u4e2a\u503c\uff0c\u800c\u5f31\u7ed1\u5b9a\u53ef\u4ee5\u91cd\u65b0\u5206\u914d\u3002\u5f3a\u7ed1\u5b9a\u53d8\u91cf\u5728\u5757\u4f5c\u7528\u57df\u4e2d\u5b9a\u4e49\uff0c\u800c\u5f31\u7ed1\u5b9a\u53d8\u91cf\u5728\u5168\u5c40\u4f5c\u7528\u57df\u4e2d\u5b9a\u4e49\uff0c\u5728\u5757\u4f5c\u7528\u57df\u4e2d\u91cd\u65b0\u5206\u914d\u3002\u4e86\u89e3\u4f5c\u7528\u57df\u548c\u7ed1\u5b9a\u5f3a\u5ea6\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u907f\u514d\u53d8\u91cf\u8986\u76d6\u548c\u786e\u4fdd\u4ee3\u7801\u6b63\u786e\u6027\u3002 PHP \u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\uff1a\u53d8\u91cf\u7ed1\u5b9a\u5f3a\u5ea6 PHP \u53d8\u91cf\u7684\u4f5c\u7528\u57df\u51b3\u5b9a\u4e86\u5b83\u4eec\u7684\u53ef\u7528\u6027\u548c\u7ed1\u5b9a\u5f3a\u5ea6\u3002\u6709\u4e24\u4e2a\u57fa\u672c\u4f5c\u7528\u57df\uff1a \u5168\u5c40\u4f5c\u7528\u57df\uff1a \u53d8\u91cf\u5728\u6574\u4e2a\u811a\u672c\u4e2d\u90fd\u53ef\u4ee5\u8bbf\u95ee\u3002 \u5728\u51fd\u6570\u5916\u58f0\u660e\u7684\u53d8\u91cf\u5177\u6709\u5168\u5c40\u4f5c\u7528\u57df\u3002 \u5757\u4f5c\u7528\u57df\uff1a \u53d8\u91cf\u4ec5\u5728\u5305\u542b\u5b83\u4eec\u7684\u4ee3\u7801\u5757\u4e2d\u53ef\u7528\u3002 \u5728\u51fd\u6570\u3001\u7c7b\u65b9\u6cd5\u3001if \u8bed\u53e5\u3001\u5faa\u73af\u7b49\u4ee3\u7801\u5757\u4e2d\u58f0\u660e\u7684\u53d8\u91cf\u5177\u6709\u5757\u4f5c\u7528\u57df\u3002 \u53d8\u91cf\u7ed1\u5b9a\u5f3a\u5ea6 \u7ed1\u5b9a\u5f3a\u5ea6\u6307\u7684\u662f\u53d8\u91cf\u5f15\u7528\u7279\u5b9a\u503c\u7684\u7a0b\u5ea6\uff1a \u5f31\u7ed1\u5b9a\uff1a\u53d8\u91cf\u53ef\u4ee5\u59cb\u7ec8\u91cd\u65b0\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u503c\u3002 \u5f3a\u7ed1\u5b9a\uff1a\u53d8\u91cf\u53ea\u7ed1\u5b9a\u5230\u4e00\u4e2a\u503c\u3002 \u5b9e\u6218\u6848\u4f8b \u5f3a\u7ed1\u5b9a\u793a\u4f8b\uff1a \/\/ \u5168\u5c40\u4f5c\u7528\u57df\u4e2d\u5f3a\u7ed1\u5b9a\u7684\u53d8\u91cf $x = 10; function myFunction() { \/\/ \u5757\u4f5c\u7528\u57df\u4e2d\u5f3a\u7ed1\u5b9a\u7684\u53d8\u91cf $x = 20; echo &#8220;\u5185\u5c42\u7684 x: $x&#8221;; \/\/ \u8f93\u51fa\uff1a20 } echo &#8220;\u5916\u5c42\u7684 x: $x&#8221;; \/\/ \u8f93\u51fa\uff1a10 \u5f31\u7ed1\u5b9a\u793a\u4f8b\uff1a \/\/ \u5168\u5c40\u4f5c\u7528\u57df\u4e2d\u5f31\u7ed1\u5b9a\u7684\u53d8\u91cf $x = 10; function myFunction() [&hellip;]<\/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-48520","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48520","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=48520"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48520\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}