{"id":46824,"date":"2024-12-02T17:34:21","date_gmt":"2024-12-02T09:34:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46824\/"},"modified":"2024-12-02T17:34:21","modified_gmt":"2024-12-02T09:34:21","slug":"php%e5%87%bd%e6%95%b0%e9%9d%a2%e8%af%95%e5%bf%85%e5%a4%87%e7%9f%a5%e8%af%86%e7%82%b9%ef%bc%8c%e6%8e%a2%e6%9e%90%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%e7%9a%84%e7%ae%80%e6%b4%81%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46824\/","title":{"rendered":"PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u63a2\u6790\u533f\u540d\u51fd\u6570\u7684\u7b80\u6d01\u5e94\u7528"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u63a2\u6790\u533f\u540d\u51fd\u6570\u7684\u7b80\u6d01\u5e94\u7528<\/h1>\n<p>\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u63a2\u6790\u533f\u540d\u51fd\u6570\u7684\u7b80\u6d01\u5e94\u7528\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p>\u533f\u540d\u51fd\u6570\u662f PHP \u4e2d\u65e0\u540d\u79f0\u7684\u7279\u6b8a\u51fd\u6570\uff0c\u53ef\u52a8\u6001\u521b\u5efa\u5e76\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u5176\u4f18\u70b9\u5305\u62ec\u533f\u540d\u6027\u3001\u7075\u6d3b\u6027\u548c\u7b80\u4fbf\u6027\u3002\u5b9e\u6218\u5e94\u7528\u5305\u62ec\u52a8\u6001\u6bd4\u8f83\u5b57\u7b26\u4e32\uff0c\u53ef\u7b80\u5316\u4ee3\u7801\u3001\u63d0\u9ad8\u7075\u6d3b\u6027\u5e76\u589e\u5f3a\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729848936671b66686adbc.jpg\" class=\"aligncenter\" title=\"PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u63a2\u6790\u533f\u540d\u51fd\u6570\u7684\u7b80\u6d01\u5e94\u7528\u63d2\u56fe\" alt=\"PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u63a2\u6790\u533f\u540d\u51fd\u6570\u7684\u7b80\u6d01\u5e94\u7528\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff1a\u533f\u540d\u51fd\u6570\u7684\u7b80\u4ecb\u548c\u5b9e\u6218\u5e94\u7528<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u533f\u540d\u51fd\u6570\u662f PHP \u4e2d\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u51fd\u6570\uff0c\u5b83\u6ca1\u6709\u540d\u79f0\uff0c\u53ef\u4ee5\u52a8\u6001\u521b\u5efa\u5e76\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u533f\u540d\u51fd\u6570\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>$anonFunc = function (\u53c2\u6570\u5217\u8868) {\n    \u51fd\u6570\u4f53\n};<\/pre>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<p>\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u533f\u540d\u6027\uff1a<\/strong>\u65e0\u9700\u4e3a\u51fd\u6570\u6307\u5b9a\u540d\u79f0\uff0c\u4ece\u800c\u7b80\u5316\u4ee3\u7801\u3002<\/li>\n<li><strong>\u7075\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u52a8\u6001\u521b\u5efa\u548c\u8d4b\u503c\u51fd\u6570\uff0c\u5141\u8bb8\u66f4\u7075\u6d3b\u7684\u7f16\u7a0b\u3002<\/li>\n<li><strong>\u7b80\u4fbf\u6027\uff1a<\/strong>\u8bed\u6cd5\u7b80\u6d01\uff0c\u4fbf\u4e8e\u7f16\u5199\u548c\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u5b9e\u6218\u6848\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u52a8\u6001\u6bd4\u8f83\u4e24\u4e2a\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre>$compareFunc = function ($str1, $str2) {\n    return strcmp($str1, $str2);\n};\n\n$result = $compareFunc('Apple', 'Banana');\necho $result; \/\/ \u8f93\u51fa -1<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u533f\u540d\u51fd\u6570 <code>$compareFunc<\/code>\uff0c\u5b83\u63a5\u53d7\u4e24\u4e2a\u5b57\u7b26\u4e32\u53c2\u6570\u5e76\u6bd4\u8f83\u5b83\u4eec\u3002\u7136\u540e\u6211\u4eec\u5c06\u6b64\u51fd\u6570\u5206\u914d\u7ed9\u53d8\u91cf <code>$compareFunc<\/code>\u3002\u6700\u540e\uff0c\u6211\u4eec\u8c03\u7528\u533f\u540d\u51fd\u6570\u5e76\u8fd4\u56de\u6bd4\u8f83\u7ed3\u679c\u3002<\/p>\n<p><strong>\u5176\u4ed6\u5e94\u7528<\/strong><\/p>\n<p>\u9664\u4e86\u6bd4\u8f83\u5b57\u7b26\u4e32\uff0c\u533f\u540d\u51fd\u6570\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5176\u4ed6\u5404\u79cd\u76ee\u7684\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8fc7\u6ee4\u6570\u636e<\/li>\n<li>\u6392\u5e8f\u6570\u7ec4<\/li>\n<li>\u4e8b\u4ef6\u5904\u7406<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f<\/strong><\/p>\n<p>\u4f7f\u7528\u533f\u540d\u51fd\u6570\u65f6\u9700\u8981\u8bb0\u4f4f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul>\n<li>\u5b83\u4eec\u53ea\u80fd\u5728\u4e00\u4e2a\u8303\u56f4\uff08\u5982\u95ed\u5305\u6216\u51fd\u6570\uff09\u5185\u4f7f\u7528\u3002<\/li>\n<li>\u5b83\u4eec\u65e0\u6cd5\u8bbf\u95ee\u5916\u90e8\u4f5c\u7528\u57df\u4e2d\u7684\u53d8\u91cf\uff0c\u9664\u975e\u4f7f\u7528 <code>use<\/code> \u5173\u952e\u5b57\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u63a2\u6790\u533f\u540d\u51fd\u6570\u7684\u7b80\u6d01\u5e94\u7528\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,\u533f\u540d\u51fd\u6570\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u63a2\u6790\u533f\u540d\u51fd\u6570\u7684\u7b80\u6d01\u5e94\u7528 \u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aPHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u63a2\u6790\u533f\u540d\u51fd\u6570\u7684\u7b80\u6d01\u5e94\u7528\u300b\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~ \u533f\u540d\u51fd\u6570\u662f PHP \u4e2d\u65e0\u540d\u79f0\u7684\u7279\u6b8a\u51fd\u6570\uff0c\u53ef\u52a8\u6001\u521b\u5efa\u5e76\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u5176\u4f18\u70b9\u5305\u62ec\u533f\u540d\u6027\u3001\u7075\u6d3b\u6027\u548c\u7b80\u4fbf\u6027\u3002\u5b9e\u6218\u5e94\u7528\u5305\u62ec\u52a8\u6001\u6bd4\u8f83\u5b57\u7b26\u4e32\uff0c\u53ef\u7b80\u5316\u4ee3\u7801\u3001\u63d0\u9ad8\u7075\u6d3b\u6027\u5e76\u589e\u5f3a\u53ef\u7ef4\u62a4\u6027\u3002 PHP \u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff1a\u533f\u540d\u51fd\u6570\u7684\u7b80\u4ecb\u548c\u5b9e\u6218\u5e94\u7528 \u7b80\u4ecb \u533f\u540d\u51fd\u6570\u662f PHP \u4e2d\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u51fd\u6570\uff0c\u5b83\u6ca1\u6709\u540d\u79f0\uff0c\u53ef\u4ee5\u52a8\u6001\u521b\u5efa\u5e76\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u533f\u540d\u51fd\u6570\u8bed\u6cd5\u5982\u4e0b\uff1a $anonFunc = function (\u53c2\u6570\u5217\u8868) { \u51fd\u6570\u4f53 }; \u4f18\u70b9 \u4f7f\u7528\u533f\u540d\u51fd\u6570\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a \u533f\u540d\u6027\uff1a\u65e0\u9700\u4e3a\u51fd\u6570\u6307\u5b9a\u540d\u79f0\uff0c\u4ece\u800c\u7b80\u5316\u4ee3\u7801\u3002 \u7075\u6d3b\u6027\uff1a\u53ef\u4ee5\u52a8\u6001\u521b\u5efa\u548c\u8d4b\u503c\u51fd\u6570\uff0c\u5141\u8bb8\u66f4\u7075\u6d3b\u7684\u7f16\u7a0b\u3002 \u7b80\u4fbf\u6027\uff1a\u8bed\u6cd5\u7b80\u6d01\uff0c\u4fbf\u4e8e\u7f16\u5199\u548c\u7ef4\u62a4\u3002 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u5b9e\u6218\u6848\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u52a8\u6001\u6bd4\u8f83\u4e24\u4e2a\u5b57\u7b26\u4e32\uff1a $compareFunc = function ($str1, $str2) { return strcmp($str1, $str2); }; $result = $compareFunc(&#8216;Apple&#8217;, &#8216;Banana&#8217;); echo $result; \/\/ \u8f93\u51fa -1 \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u533f\u540d\u51fd\u6570 $compareFunc\uff0c\u5b83\u63a5\u53d7\u4e24\u4e2a\u5b57\u7b26\u4e32\u53c2\u6570\u5e76\u6bd4\u8f83\u5b83\u4eec\u3002\u7136\u540e\u6211\u4eec\u5c06\u6b64\u51fd\u6570\u5206\u914d\u7ed9\u53d8\u91cf $compareFunc\u3002\u6700\u540e\uff0c\u6211\u4eec\u8c03\u7528\u533f\u540d\u51fd\u6570\u5e76\u8fd4\u56de\u6bd4\u8f83\u7ed3\u679c\u3002 \u5176\u4ed6\u5e94\u7528 \u9664\u4e86\u6bd4\u8f83\u5b57\u7b26\u4e32\uff0c\u533f\u540d\u51fd\u6570\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5176\u4ed6\u5404\u79cd\u76ee\u7684\uff0c\u5305\u62ec\uff1a \u8fc7\u6ee4\u6570\u636e \u6392\u5e8f\u6570\u7ec4 \u4e8b\u4ef6\u5904\u7406 \u6ce8\u610f \u4f7f\u7528\u533f\u540d\u51fd\u6570\u65f6\u9700\u8981\u8bb0\u4f4f\u4ee5\u4e0b\u51e0\u70b9\uff1a \u5b83\u4eec\u53ea\u80fd\u5728\u4e00\u4e2a\u8303\u56f4\uff08\u5982\u95ed\u5305\u6216\u51fd\u6570\uff09\u5185\u4f7f\u7528\u3002 [&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-46824","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46824","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=46824"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46824\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}