{"id":47543,"date":"2024-12-02T14:58:09","date_gmt":"2024-12-02T06:58:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47543\/"},"modified":"2024-12-02T14:58:09","modified_gmt":"2024-12-02T06:58:09","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%bc%95%e7%94%a8%e6%97%b6%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e5%86%85%e5%ad%98%e6%b3%84%e6%bc%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47543\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>\u5f15\u7528\u5728PHP\u51fd\u6570\u4e2d\u9700\u8981\u8c28\u614e\u4f7f\u7528\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a\u9650\u5b9a\u5f15\u7528\u8303\u56f4\u3001\u660e\u786e\u5220\u9664\u5f15\u7528\u3001\u907f\u514d\u5faa\u73af\u5f15\u7528\u548c\u4f7f\u7528\u5f31\u5f15\u7528\u3002\u901a\u8fc7\u8fd9\u4e9b\u63aa\u65bd\uff0c\u53ef\u4ee5\u5728\u51fd\u6570\u4e2d\u5b89\u5168\u4e14\u6709\u6548\u5730\u4f7f\u7528\u5f15\u7528\uff0c\u9632\u6b62\u5185\u5b58\u6d6a\u8d39\u548c\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729923093671c8815acb3c.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f<\/strong><\/p>\n<p>\u5f15\u7528\u5728 PHP \u4e2d\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u7b80\u6d01\u6027\u3002\u4f46\u662f\uff0c\u5982\u679c\u4e0d\u6b63\u786e\u4f7f\u7528\uff0c\u5b83\u4eec\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n<p><strong>\u4ec0\u4e48\u662f\u5185\u5b58\u6cc4\u6f0f\uff1f<\/strong><\/p>\n<p>\u5185\u5b58\u6cc4\u6f0f\u53d1\u751f\u5728\u65e0\u6cd5\u91ca\u653e\u5206\u914d\u5185\u5b58\u65f6\u3002\u5f53\u5f15\u7528\u4e00\u4e2a\u4e0d\u518d\u9700\u8981\u7684\u6570\u636e\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\u3002\u8fd9\u4f1a\u5bfc\u81f4\u5185\u5b58\u6d6a\u8d39\uff0c\u5e76\u6700\u7ec8\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p><strong>\u5f15\u7528\u5728 PHP \u4e2d\u7684\u4f7f\u7528<\/strong><\/p>\n<p>PHP \u4e2d\u4f7f\u7528 &amp; \u7b26\u53f7\u6765\u521b\u5efa\u5bf9\u53d8\u91cf\u7684\u5f15\u7528\u3002\u4f20\u9012\u5f15\u7528\u7684\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u53d8\u91cf\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u526f\u672c\u3002<\/p>\n<p><strong>\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9650\u5b9a\u5f15\u7528\u8303\u56f4\uff1a<\/strong>\u53ea\u5728\u51fd\u6570\u4e2d\u521b\u5efa\u5bf9\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5e76\u4e14\u53ea\u5728\u9700\u8981\u65f6\u624d\u521b\u5efa\u3002<\/li>\n<li><strong>\u660e\u786e\u5220\u9664\u5f15\u7528\uff1a<\/strong>\u4f7f\u7528 <code>unset()<\/code> \u51fd\u6570\u53ef\u4ee5\u53d6\u6d88\u5bf9\u53d8\u91cf\u7684\u5f15\u7528\u3002<\/li>\n<li><strong>\u907f\u514d\u5faa\u73af\u5f15\u7528\uff1a<\/strong>\u5faa\u73af\u5f15\u7528\u662f\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u53d8\u91cf\u76f8\u4e92\u5f15\u7528\u65f6\u53d1\u751f\u7684\u3002\u8fd9\u4f1a\u963b\u6b62 PHP \u91ca\u653e\u4efb\u4f55\u53d8\u91cf\u7684\u5185\u5b58\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5f31\u5f15\u7528\uff1a<\/strong>PHP 5.3 \u5f15\u5165\u4e86\u5f31\u5f15\u7528\uff0c\u5b83\u53ea\u4fdd\u5b58\u53d8\u91cf\u7684\u8f6f\u5f15\u7528\u3002\u5f53\u53d8\u91cf\u4e0d\u518d\u53ef\u89c1\u65f6\uff0c\u5f31\u5f15\u7528\u5c06\u81ea\u52a8\u88ab\u91ca\u653e\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4e3a\u4e86\u8bf4\u660e\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff0c\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\uff0c\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u52a0\u500d\uff1a<\/p>\n<pre>function doubleArrayElements(&amp;$array) {\n  foreach ($array as &amp;$value) {\n    $value *= 2;\n  }\n}\n\n$array = [1, 2, 3];\n\ndoubleArrayElements($array);\n\nprint_r($array); \/\/ \u8f93\u51fa [2, 4, 6]\n\nunset($array); \/\/ \u91ca\u653e\u5bf9\u6570\u7ec4\u7684\u5f15\u7528<\/pre>\n<p>\u7531\u4e8e\u6211\u4eec\u4f7f\u7528\u4e86\u5f15\u7528\uff0c<code>doubleArrayElements()<\/code> \u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u6570\u7ec4\uff0c\u800c\u65e0\u9700\u521b\u5efa\u526f\u672c\u3002\u6211\u4eec\u8fd8\u4f7f\u7528\u4e86\u9650\u5b9a\u5f15\u7528\u8303\u56f4\uff0c\u53ea\u5728\u51fd\u6570\u5185\u5f15\u7528\u6570\u7ec4\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528 <code>unset()<\/code> \u663e\u5f0f\u5220\u9664\u4e86\u5bf9\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff1f \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff1f\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0\u6587\u7ae0\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01 \u5f15\u7528\u5728PHP\u51fd\u6570\u4e2d\u9700\u8981\u8c28\u614e\u4f7f\u7528\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a\u9650\u5b9a\u5f15\u7528\u8303\u56f4\u3001\u660e\u786e\u5220\u9664\u5f15\u7528\u3001\u907f\u514d\u5faa\u73af\u5f15\u7528\u548c\u4f7f\u7528\u5f31\u5f15\u7528\u3002\u901a\u8fc7\u8fd9\u4e9b\u63aa\u65bd\uff0c\u53ef\u4ee5\u5728\u51fd\u6570\u4e2d\u5b89\u5168\u4e14\u6709\u6548\u5730\u4f7f\u7528\u5f15\u7528\uff0c\u9632\u6b62\u5185\u5b58\u6d6a\u8d39\u548c\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\u3002 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u65f6\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f \u5f15\u7528\u5728 PHP \u4e2d\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u7b80\u6d01\u6027\u3002\u4f46\u662f\uff0c\u5982\u679c\u4e0d\u6b63\u786e\u4f7f\u7528\uff0c\u5b83\u4eec\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002 \u4ec0\u4e48\u662f\u5185\u5b58\u6cc4\u6f0f\uff1f \u5185\u5b58\u6cc4\u6f0f\u53d1\u751f\u5728\u65e0\u6cd5\u91ca\u653e\u5206\u914d\u5185\u5b58\u65f6\u3002\u5f53\u5f15\u7528\u4e00\u4e2a\u4e0d\u518d\u9700\u8981\u7684\u6570\u636e\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\u3002\u8fd9\u4f1a\u5bfc\u81f4\u5185\u5b58\u6d6a\u8d39\uff0c\u5e76\u6700\u7ec8\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\u3002 \u5f15\u7528\u5728 PHP \u4e2d\u7684\u4f7f\u7528 PHP \u4e2d\u4f7f\u7528 &amp; \u7b26\u53f7\u6765\u521b\u5efa\u5bf9\u53d8\u91cf\u7684\u5f15\u7528\u3002\u4f20\u9012\u5f15\u7528\u7684\u51fd\u6570\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u53d8\u91cf\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u526f\u672c\u3002 \u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u7684\u6700\u4f73\u5b9e\u8df5 \u4f7f\u7528\u9650\u5b9a\u5f15\u7528\u8303\u56f4\uff1a\u53ea\u5728\u51fd\u6570\u4e2d\u521b\u5efa\u5bf9\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5e76\u4e14\u53ea\u5728\u9700\u8981\u65f6\u624d\u521b\u5efa\u3002 \u660e\u786e\u5220\u9664\u5f15\u7528\uff1a\u4f7f\u7528 unset() \u51fd\u6570\u53ef\u4ee5\u53d6\u6d88\u5bf9\u53d8\u91cf\u7684\u5f15\u7528\u3002 \u907f\u514d\u5faa\u73af\u5f15\u7528\uff1a\u5faa\u73af\u5f15\u7528\u662f\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u53d8\u91cf\u76f8\u4e92\u5f15\u7528\u65f6\u53d1\u751f\u7684\u3002\u8fd9\u4f1a\u963b\u6b62 PHP \u91ca\u653e\u4efb\u4f55\u53d8\u91cf\u7684\u5185\u5b58\u3002 \u4f7f\u7528\u5f31\u5f15\u7528\uff1aPHP 5.3 \u5f15\u5165\u4e86\u5f31\u5f15\u7528\uff0c\u5b83\u53ea\u4fdd\u5b58\u53d8\u91cf\u7684\u8f6f\u5f15\u7528\u3002\u5f53\u53d8\u91cf\u4e0d\u518d\u53ef\u89c1\u65f6\uff0c\u5f31\u5f15\u7528\u5c06\u81ea\u52a8\u88ab\u91ca\u653e\u3002 \u5b9e\u6218\u6848\u4f8b \u4e3a\u4e86\u8bf4\u660e\u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff0c\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\uff0c\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u52a0\u500d\uff1a function doubleArrayElements(&amp;$array) { foreach ($array as &amp;$value) { $value *= 2; } } $array = [1, 2, 3]; doubleArrayElements($array); print_r($array); \/\/ \u8f93\u51fa [2, [&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-47543","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47543","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=47543"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47543\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}