{"id":47515,"date":"2024-12-02T15:33:49","date_gmt":"2024-12-02T07:33:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47515\/"},"modified":"2024-12-02T15:33:49","modified_gmt":"2024-12-02T07:33:49","slug":"php-%e5%87%bd%e6%95%b0%e6%8c%89%e7%ba%bf%e7%a8%8b%e5%ae%89%e5%85%a8%e5%a6%82%e4%bd%95%e5%88%86%e7%b1%bb%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47515\/","title":{"rendered":"PHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b\uff1f<\/h1>\n<p>\u76ee\u524d\u7c73\u4e91\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n<p>PHP \u51fd\u6570\u6839\u636e\u7ebf\u7a0b\u5b89\u5168\u6027\u5206\u4e3a\u4e24\u7c7b\uff1a\u7ebf\u7a0b\u5b89\u5168\u51fd\u6570\uff1a\u53ef\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u8c03\u7528\uff0c\u4e0d\u5f15\u8d77\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\uff1a\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4e0d\u80fd\u5b89\u5168\u8c03\u7528\uff0c\u53ef\u80fd\u5bfc\u81f4\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729921892671c83648d7a2.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b\uff1f\u63d2\u56fe\" \/><\/p>\n<h2>PHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b<\/h2>\n<p>\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u6839\u636e\u5b83\u4eec\u7684\u7ebf\u7a0b\u5b89\u5168\u7ea7\u522b\u5206\u4e3a\u4e24\u7c7b\uff1a<\/p>\n<h3>\u7ebf\u7a0b\u5b89\u5168\u51fd\u6570<\/h3>\n<p>\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u8c03\u7528\uff0c\u800c\u4e0d\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u6216\u5176\u4ed6\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002\u5b83\u4eec\u901a\u5e38\u88ab\u6807\u8bb0\u4e3a <code>thread-safe<\/code>\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>function sum($a, $b) {\n  return $a + $b;\n}<\/pre>\n<h3>\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570<\/h3>\n<p>\u8fd9\u4e9b\u51fd\u6570\u4e0d\u80fd\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u8c03\u7528\uff0c\u5e76\u4e14\u5728\u5e76\u53d1\u4f7f\u7528\u65f6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002\u5b83\u4eec\u901a\u5e38\u6ca1\u6709\u6807\u8bb0\u4efb\u4f55\u7ebf\u7a0b\u5b89\u5168\u4fe1\u606f\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>function global_counter() {\n  static $counter = 0;\n  return $counter++;\n}<\/pre>\n<h2>\u5b9e\u6218\u6848\u4f8b<\/h2>\n<p>\u8003\u8651\u4e00\u4e2a\u4f7f\u7528\u4ee5\u4e0b\u7ebf\u7a0b\u5b89\u5168\u548c\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\u7684\u591a\u7ebf\u7a0b\u811a\u672c\uff1a<\/p>\n<pre>$safe_value = sum(10, 20); \/\/ \u7ebf\u7a0b\u5b89\u5168\n\n$unsafe_value = global_counter(); \/\/ \u7ebf\u7a0b\u4e0d\u5b89\u5168<\/pre>\n<p>\u5728\u8fd9\u4e2a\u811a\u672c\u4e2d\uff0c\u51fd\u6570 <code>sum<\/code> \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u4ece\u591a\u4e2a\u7ebf\u7a0b\u5e76\u884c\u8c03\u7528\u3002\u4f46\u662f\uff0c\u51fd\u6570 <code>global_counter<\/code> \u662f\u7ebf\u7a0b\u4e0d\u5b89\u5168\u7684\uff0c\u56e0\u4e3a\u5b83\u4f7f\u7528\u5171\u4eab\u53ef\u53d8\u9759\u6001\u53d8\u91cf <code>$counter<\/code>\u3002\u5982\u679c\u4ece\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8c03\u7528\u5b83\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7ade\u4e89\u6761\u4ef6\u548c\u610f\u5916\u7684\u884c\u4e3a\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u4e0e\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\u76f8\u5173\u7684\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u8c28\u614e\u4f7f\u7528\u5b83\u4eec\u3002\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u540c\u6b65\u673a\u5236\uff08\u5982\u4e92\u65a5\u9501\uff09\u6765\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\uff0c\u6216\u4f7f\u7528\u7ebf\u7a0b\u5b89\u5168\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b\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\u4e8e\u7ebf\u7a0b\u5b89\u5168,PHP \u51fd\u6570\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b\uff1f \u76ee\u524d\u7c73\u4e91\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300aPHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b\uff1f\u300b\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6587\u7ae0\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~ PHP \u51fd\u6570\u6839\u636e\u7ebf\u7a0b\u5b89\u5168\u6027\u5206\u4e3a\u4e24\u7c7b\uff1a\u7ebf\u7a0b\u5b89\u5168\u51fd\u6570\uff1a\u53ef\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u8c03\u7528\uff0c\u4e0d\u5f15\u8d77\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\uff1a\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4e0d\u80fd\u5b89\u5168\u8c03\u7528\uff0c\u53ef\u80fd\u5bfc\u81f4\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002 PHP \u51fd\u6570\u6309\u7ebf\u7a0b\u5b89\u5168\u5982\u4f55\u5206\u7c7b \u5728 PHP \u4e2d\uff0c\u51fd\u6570\u6839\u636e\u5b83\u4eec\u7684\u7ebf\u7a0b\u5b89\u5168\u7ea7\u522b\u5206\u4e3a\u4e24\u7c7b\uff1a \u7ebf\u7a0b\u5b89\u5168\u51fd\u6570 \u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u8c03\u7528\uff0c\u800c\u4e0d\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u6216\u5176\u4ed6\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002\u5b83\u4eec\u901a\u5e38\u88ab\u6807\u8bb0\u4e3a thread-safe\u3002 \u793a\u4f8b\uff1a function sum($a, $b) { return $a + $b; } \u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570 \u8fd9\u4e9b\u51fd\u6570\u4e0d\u80fd\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u8c03\u7528\uff0c\u5e76\u4e14\u5728\u5e76\u53d1\u4f7f\u7528\u65f6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002\u5b83\u4eec\u901a\u5e38\u6ca1\u6709\u6807\u8bb0\u4efb\u4f55\u7ebf\u7a0b\u5b89\u5168\u4fe1\u606f\u3002 \u793a\u4f8b\uff1a function global_counter() { static $counter = 0; return $counter++; } \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4e00\u4e2a\u4f7f\u7528\u4ee5\u4e0b\u7ebf\u7a0b\u5b89\u5168\u548c\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\u7684\u591a\u7ebf\u7a0b\u811a\u672c\uff1a $safe_value = sum(10, 20); \/\/ \u7ebf\u7a0b\u5b89\u5168 $unsafe_value = global_counter(); \/\/ \u7ebf\u7a0b\u4e0d\u5b89\u5168 \u5728\u8fd9\u4e2a\u811a\u672c\u4e2d\uff0c\u51fd\u6570 sum \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u4ece\u591a\u4e2a\u7ebf\u7a0b\u5e76\u884c\u8c03\u7528\u3002\u4f46\u662f\uff0c\u51fd\u6570 global_counter \u662f\u7ebf\u7a0b\u4e0d\u5b89\u5168\u7684\uff0c\u56e0\u4e3a\u5b83\u4f7f\u7528\u5171\u4eab\u53ef\u53d8\u9759\u6001\u53d8\u91cf [&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-47515","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47515","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=47515"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47515\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}