{"id":47176,"date":"2024-12-02T14:54:54","date_gmt":"2024-12-02T06:54:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47176\/"},"modified":"2024-12-02T14:54:54","modified_gmt":"2024-12-02T06:54:54","slug":"php-%e5%87%bd%e6%95%b0%e5%91%bd%e5%90%8d%e4%b8%ad%e7%9a%84%e5%8c%88%e7%89%99%e5%88%a9%e8%a1%a8%e7%a4%ba%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47176\/","title":{"rendered":"PHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/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<p>\u5308\u7259\u5229\u8868\u793a\u6cd5\u662f\u4e00\u79cd\u8fc7\u65f6\u7684 PHP \u547d\u540d\u60ef\u4f8b\uff0c\u5b83\u4f7f\u7528\u51fd\u6570\u540d\u524d\u7f00\u8868\u793a\u53d8\u91cf\u7c7b\u578b\u3001\u4f5c\u7528\u57df\u6216\u5176\u4ed6\u5c5e\u6027\u3002\u5176\u4f18\u70b9\u5305\u62ec\u540d\u79f0\u81ea\u63cf\u8ff0\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u800c\u7f3a\u70b9\u5305\u62ec\u5197\u4f59\u3001\u7ef4\u62a4\u96be\u5ea6\u548c\u4e0d\u7b26\u5408\u73b0\u4ee3\u7f16\u7801\u6807\u51c6\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729902807671c38d7db160.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5<\/strong><\/p>\n<p>\u5308\u7259\u5229\u8868\u793a\u6cd5\u662f\u4e00\u79cd\u547d\u540d\u60ef\u4f8b\uff0c\u5b83\u901a\u8fc7\u51fd\u6570\u540d\u7684\u524d\u7f00\u6765\u4f20\u9012\u53d8\u91cf\u7c7b\u578b\u3001\u4f5c\u7528\u8303\u56f4\u6216\u5176\u4ed6\u5c5e\u6027\u7684\u4fe1\u606f\u3002\u8fd9\u5728\u65e9\u671f\u7248\u672c\u7684 PHP \u4e2d\u5f88\u6d41\u884c\uff0c\u4f46\u968f\u7740\u7c7b\u578b\u63d0\u793a\u548c autoloading \u7b49\u73b0\u4ee3\u7279\u6027\u7684\u51fa\u73b0\uff0c\u5176\u6d41\u884c\u5ea6\u5df2\u6709\u6240\u4e0b\u964d\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u5308\u7259\u5229\u8868\u793a\u6cd5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>[\u524d\u7f00][\u540d\u79f0]([\u53c2\u6570\u5217\u8868])<\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>[\u524d\u7f00]<\/strong>\uff1a\u6807\u8bc6\u53d8\u91cf\u7c7b\u578b\u3001\u4f5c\u7528\u57df\u6216\u5176\u4ed6\u5c5e\u6027\uff0c\u4f8b\u5982 <code>$i<\/code> \u8868\u793a\u6574\u6570\u3001<code>$b<\/code> \u8868\u793a\u5e03\u5c14\u503c\u3001<code>$str<\/code> \u8868\u793a\u5b57\u7b26\u4e32\u7b49\u3002<\/li>\n<li><strong>[\u540d\u79f0]<\/strong>\uff1a\u51fd\u6570\u7684\u540d\u79f0\u3002<\/li>\n<li><strong>([\u53c2\u6570\u5217\u8868])<\/strong>\uff1a\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u5308\u7259\u5229\u8868\u793a\u6cd5\u7684\u51fd\u6570\u547d\u540d\u793a\u4f8b\uff1a<\/p>\n<pre>function get_int_value(int $value): int\n{\n    return $value;\n}<\/pre>\n<p>\u6b64\u51fd\u6570\u7684\u540d\u79f0 <code>get_int_value<\/code> \u4f7f\u7528\u524d\u7f00 <code>get_int_<\/code> \u8868\u793a\u5176\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u503c\uff0c\u5e76\u63a5\u6536\u4e00\u4e2a <code>int<\/code> \u7c7b\u578b\u7684\u53c2\u6570 <code>$value<\/code>\u3002<\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul>\n<li><strong>\u81ea\u63cf\u8ff0\u7684\u540d\u79f0\uff1a<\/strong> \u5308\u7259\u5229\u8868\u793a\u6cd5\u4f7f\u51fd\u6570\u540d\u79f0\u66f4\u5177\u63cf\u8ff0\u6027\uff0c\u6613\u4e8e\u7406\u89e3\u5176\u4f5c\u7528\u3002<\/li>\n<li><strong>\u4ee3\u7801\u53ef\u8bfb\u6027\uff1a<\/strong> \u5b83\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u5927\u578b\u9879\u76ee\u3002<\/li>\n<\/ul>\n<p><strong>\u7f3a\u70b9<\/strong><\/p>\n<ul>\n<li><strong>\u5197\u4f59\uff1a<\/strong> \u7c7b\u578b\u63d0\u793a\u548c autoloading \u7b49\u73b0\u4ee3\u7279\u6027\u5df2\u4f7f\u5308\u7259\u5229\u8868\u793a\u6cd5\u53d8\u5f97\u591a\u4f59\u3002<\/li>\n<li><strong>\u7ef4\u62a4\u96be\u5ea6\uff1a<\/strong> \u5f53\u66f4\u6539\u53d8\u91cf\u7c7b\u578b\u6216\u4f5c\u7528\u8303\u56f4\u65f6\uff0c\u9700\u8981\u540c\u65f6\u66f4\u6539\u51fd\u6570\u540d\u79f0\u3002<\/li>\n<li><strong>\u4e0d\u7b26\u5408\u73b0\u4ee3\u7f16\u7801\u6807\u51c6\uff1a<\/strong> PSR-12 \u7b49\u73b0\u4ee3\u7f16\u7801\u6807\u51c6\u4e0d\u9f13\u52b1\u4f7f\u7528\u5308\u7259\u5229\u8868\u793a\u6cd5\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aPHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ephp,\u547d\u540d\u89c4\u8303\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5 \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\u300aPHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5\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 \u5308\u7259\u5229\u8868\u793a\u6cd5\u662f\u4e00\u79cd\u8fc7\u65f6\u7684 PHP \u547d\u540d\u60ef\u4f8b\uff0c\u5b83\u4f7f\u7528\u51fd\u6570\u540d\u524d\u7f00\u8868\u793a\u53d8\u91cf\u7c7b\u578b\u3001\u4f5c\u7528\u57df\u6216\u5176\u4ed6\u5c5e\u6027\u3002\u5176\u4f18\u70b9\u5305\u62ec\u540d\u79f0\u81ea\u63cf\u8ff0\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u800c\u7f3a\u70b9\u5305\u62ec\u5197\u4f59\u3001\u7ef4\u62a4\u96be\u5ea6\u548c\u4e0d\u7b26\u5408\u73b0\u4ee3\u7f16\u7801\u6807\u51c6\u3002 PHP \u51fd\u6570\u547d\u540d\u4e2d\u7684\u5308\u7259\u5229\u8868\u793a\u6cd5 \u5308\u7259\u5229\u8868\u793a\u6cd5\u662f\u4e00\u79cd\u547d\u540d\u60ef\u4f8b\uff0c\u5b83\u901a\u8fc7\u51fd\u6570\u540d\u7684\u524d\u7f00\u6765\u4f20\u9012\u53d8\u91cf\u7c7b\u578b\u3001\u4f5c\u7528\u8303\u56f4\u6216\u5176\u4ed6\u5c5e\u6027\u7684\u4fe1\u606f\u3002\u8fd9\u5728\u65e9\u671f\u7248\u672c\u7684 PHP \u4e2d\u5f88\u6d41\u884c\uff0c\u4f46\u968f\u7740\u7c7b\u578b\u63d0\u793a\u548c autoloading \u7b49\u73b0\u4ee3\u7279\u6027\u7684\u51fa\u73b0\uff0c\u5176\u6d41\u884c\u5ea6\u5df2\u6709\u6240\u4e0b\u964d\u3002 \u8bed\u6cd5 \u5308\u7259\u5229\u8868\u793a\u6cd5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a [\u524d\u7f00][\u540d\u79f0]([\u53c2\u6570\u5217\u8868]) \u5176\u4e2d\uff1a [\u524d\u7f00]\uff1a\u6807\u8bc6\u53d8\u91cf\u7c7b\u578b\u3001\u4f5c\u7528\u57df\u6216\u5176\u4ed6\u5c5e\u6027\uff0c\u4f8b\u5982 $i \u8868\u793a\u6574\u6570\u3001$b \u8868\u793a\u5e03\u5c14\u503c\u3001$str \u8868\u793a\u5b57\u7b26\u4e32\u7b49\u3002 [\u540d\u79f0]\uff1a\u51fd\u6570\u7684\u540d\u79f0\u3002 ([\u53c2\u6570\u5217\u8868])\uff1a\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868\u3002 \u5b9e\u6218\u6848\u4f8b\uff1a \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u5308\u7259\u5229\u8868\u793a\u6cd5\u7684\u51fd\u6570\u547d\u540d\u793a\u4f8b\uff1a function get_int_value(int $value): int { return $value; } \u6b64\u51fd\u6570\u7684\u540d\u79f0 get_int_value \u4f7f\u7528\u524d\u7f00 get_int_ \u8868\u793a\u5176\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u503c\uff0c\u5e76\u63a5\u6536\u4e00\u4e2a int \u7c7b\u578b\u7684\u53c2\u6570 $value\u3002 \u4f18\u70b9 \u81ea\u63cf\u8ff0\u7684\u540d\u79f0\uff1a \u5308\u7259\u5229\u8868\u793a\u6cd5\u4f7f\u51fd\u6570\u540d\u79f0\u66f4\u5177\u63cf\u8ff0\u6027\uff0c\u6613\u4e8e\u7406\u89e3\u5176\u4f5c\u7528\u3002 \u4ee3\u7801\u53ef\u8bfb\u6027\uff1a \u5b83\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u5927\u578b\u9879\u76ee\u3002 \u7f3a\u70b9 \u5197\u4f59\uff1a \u7c7b\u578b\u63d0\u793a\u548c autoloading \u7b49\u73b0\u4ee3\u7279\u6027\u5df2\u4f7f\u5308\u7259\u5229\u8868\u793a\u6cd5\u53d8\u5f97\u591a\u4f59\u3002 \u7ef4\u62a4\u96be\u5ea6\uff1a \u5f53\u66f4\u6539\u53d8\u91cf\u7c7b\u578b\u6216\u4f5c\u7528\u8303\u56f4\u65f6\uff0c\u9700\u8981\u540c\u65f6\u66f4\u6539\u51fd\u6570\u540d\u79f0\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-47176","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47176","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=47176"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47176\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}