{"id":48022,"date":"2024-12-02T10:48:11","date_gmt":"2024-12-02T02:48:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48022\/"},"modified":"2024-12-02T10:48:11","modified_gmt":"2024-12-02T02:48:11","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e9%80%9a%e8%bf%87%e5%bc%95%e7%94%a8%e4%bc%a0%e9%80%92%e6%95%b0%e7%bb%84%e7%9a%84%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48022\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p>\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a\u660e\u786e\u58f0\u660e\u5f15\u7528\u4f20\u9012\u53ea\u4f20\u9012\u5fc5\u9700\u7684\u5143\u7d20\u4f7f\u7528\u8fd4\u56de\u5f15\u7528\u8c28\u614e\u4fee\u6539\u65b0\u5143\u7d20\u907f\u514d\u4f7f\u7528 unset()<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729949600671cefa03d907.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u662f\u63d0\u9ad8\u4ee3\u7801\u6548\u7387\u548c\u6027\u80fd\u7684\u91cd\u8981\u6280\u672f\u3002\u5b83\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u7ec4\u590d\u5236\uff0c\u5e76\u5141\u8bb8\u51fd\u6570\u76f4\u63a5\u4fee\u6539\u4f20\u9012\u7684\u6570\u7ec4\u3002\u7136\u800c\uff0c\u4e0d\u6b63\u786e\u5730\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u884c\u4e3a\u548c\u9519\u8bef\u3002<\/p>\n<p><strong>\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<p>\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u63d0\u9ad8\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u5b89\u5168\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u660e\u786e\u58f0\u660e\u5f15\u7528\u4f20\u9012\uff1a<\/strong> \u4f7f\u7528 <code>&amp;<\/code> \u7b26\u53f7\u524d\u7f00\u51fd\u6570\u53c2\u6570\uff0c\u8868\u660e\u8be5\u53c2\u6570\u4f20\u9012\u6309\u5f15\u7528\u3002<\/li>\n<li><strong>\u53ea\u4f20\u9012\u5fc5\u9700\u7684\u5143\u7d20\uff1a<\/strong> \u4ec5\u4f20\u9012\u51fd\u6570\u9700\u8981\u4fee\u6539\u7684\u6570\u7ec4\u5143\u7d20\u3002\u8fd9\u9650\u5236\u4e86\u51fd\u6570\u5bf9\u6570\u7ec4\u7684\u5f71\u54cd\uff0c\u907f\u514d\u4e86\u65e0\u610f\u7684\u4fee\u6539\u3002<\/li>\n<li><strong>\u4f7f\u7528\u8fd4\u56de\u5f15\u7528\uff1a<\/strong> \u5982\u679c\u51fd\u6570\u9700\u8981\u8fd4\u56de\u4e00\u4e2a\u4fee\u6539\u8fc7\u7684\u6570\u7ec4\uff0c\u8bf7\u8fd4\u56de\u4e00\u4e2a\u5f15\u7528\u3002\u8fd9\u5141\u8bb8\u5728\u51fd\u6570\u5916\u76f4\u63a5\u8bbf\u95ee\u4fee\u6539\u540e\u7684\u6570\u7ec4\u3002<\/li>\n<li><strong>\u8c28\u614e\u4fee\u6539\u65b0\u5143\u7d20\uff1a<\/strong> \u5982\u679c\u51fd\u6570\u9700\u8981\u5411\u6570\u7ec4\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528 <code>array_push()<\/code> \u6216 <code>array_unshift()<\/code> \u7b49\u65b9\u6cd5\u3002\u8fd9\u53ef\u4ee5\u786e\u4fdd\u6570\u7ec4\u7ed3\u6784\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u907f\u514d\u4f7f\u7528 <code>unset()<\/code>\uff1a<\/strong> <code>unset()<\/code> \u64cd\u4f5c\u7b26\u901a\u8fc7\u5f15\u7528\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20\u3002\u5728\u51fd\u6570\u5185\u4f7f\u7528\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff0c\u5176\u4e2d\u4e00\u4e2a\u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u6570\u7ec4\u5e76\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\uff1a<\/p>\n<pre>function modifyArray(&amp;$arr) {\n  $arr[] = 'New element';\n}\n\n$arr = [1, 2, 3];\nmodifyArray($arr);\nvar_dump($arr); \/\/ Output: [1, 2, 3, 'New element']<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570 <code>modifyArray()<\/code> \u63a5\u6536\u4e00\u4e2a\u6570\u7ec4\u5f15\u7528\uff0c\u5e76\u5411\u5b83\u6dfb\u52a0\u4e00\u4e2a\u65b0\u5143\u7d20\u3002\u7531\u4e8e\u5f15\u7528\u4f20\u9012\uff0c<code>$arr<\/code> \u6570\u7ec4\u5728\u51fd\u6570\u5916\u88ab\u4fee\u6539\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u5b89\u5168\u6709\u6548\u5730\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u6548\u7387\uff0c\u907f\u514d\u9519\u8bef\uff0c\u5e76\u786e\u4fdd\u4f20\u9012\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u6570\u7ec4\u5f15\u7528\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f \u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 \u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a\u660e\u786e\u58f0\u660e\u5f15\u7528\u4f20\u9012\u53ea\u4f20\u9012\u5fc5\u9700\u7684\u5143\u7d20\u4f7f\u7528\u8fd4\u56de\u5f15\u7528\u8c28\u614e\u4fee\u6539\u65b0\u5143\u7d20\u907f\u514d\u4f7f\u7528 unset() PHP \u51fd\u6570\u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5 \u5f15\u8a00 \u5728 PHP \u4e2d\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u662f\u63d0\u9ad8\u4ee3\u7801\u6548\u7387\u548c\u6027\u80fd\u7684\u91cd\u8981\u6280\u672f\u3002\u5b83\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u7ec4\u590d\u5236\uff0c\u5e76\u5141\u8bb8\u51fd\u6570\u76f4\u63a5\u4fee\u6539\u4f20\u9012\u7684\u6570\u7ec4\u3002\u7136\u800c\uff0c\u4e0d\u6b63\u786e\u5730\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u884c\u4e3a\u548c\u9519\u8bef\u3002 \u6700\u4f73\u5b9e\u8df5 \u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u63d0\u9ad8\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\u7684\u5b89\u5168\u6027\uff1a \u660e\u786e\u58f0\u660e\u5f15\u7528\u4f20\u9012\uff1a \u4f7f\u7528 &amp; \u7b26\u53f7\u524d\u7f00\u51fd\u6570\u53c2\u6570\uff0c\u8868\u660e\u8be5\u53c2\u6570\u4f20\u9012\u6309\u5f15\u7528\u3002 \u53ea\u4f20\u9012\u5fc5\u9700\u7684\u5143\u7d20\uff1a \u4ec5\u4f20\u9012\u51fd\u6570\u9700\u8981\u4fee\u6539\u7684\u6570\u7ec4\u5143\u7d20\u3002\u8fd9\u9650\u5236\u4e86\u51fd\u6570\u5bf9\u6570\u7ec4\u7684\u5f71\u54cd\uff0c\u907f\u514d\u4e86\u65e0\u610f\u7684\u4fee\u6539\u3002 \u4f7f\u7528\u8fd4\u56de\u5f15\u7528\uff1a \u5982\u679c\u51fd\u6570\u9700\u8981\u8fd4\u56de\u4e00\u4e2a\u4fee\u6539\u8fc7\u7684\u6570\u7ec4\uff0c\u8bf7\u8fd4\u56de\u4e00\u4e2a\u5f15\u7528\u3002\u8fd9\u5141\u8bb8\u5728\u51fd\u6570\u5916\u76f4\u63a5\u8bbf\u95ee\u4fee\u6539\u540e\u7684\u6570\u7ec4\u3002 \u8c28\u614e\u4fee\u6539\u65b0\u5143\u7d20\uff1a \u5982\u679c\u51fd\u6570\u9700\u8981\u5411\u6570\u7ec4\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528 array_push() \u6216 array_unshift() \u7b49\u65b9\u6cd5\u3002\u8fd9\u53ef\u4ee5\u786e\u4fdd\u6570\u7ec4\u7ed3\u6784\u7684\u5b8c\u6574\u6027\u3002 \u907f\u514d\u4f7f\u7528 unset()\uff1a unset() \u64cd\u4f5c\u7b26\u901a\u8fc7\u5f15\u7528\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20\u3002\u5728\u51fd\u6570\u5185\u4f7f\u7528\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u7ed3\u679c\u3002 \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff0c\u5176\u4e2d\u4e00\u4e2a\u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u6570\u7ec4\u5e76\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\uff1a function modifyArray(&amp;$arr) { $arr[] = &#8216;New element&#8217;; } $arr = [1, 2, 3]; modifyArray($arr); var_dump($arr); \/\/ Output: [1, 2, 3, &#8216;New [&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-48022","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48022","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=48022"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48022\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}