{"id":47659,"date":"2024-12-02T08:23:03","date_gmt":"2024-12-02T00:23:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47659\/"},"modified":"2024-12-02T08:23:03","modified_gmt":"2024-12-02T00:23:03","slug":"php-%e5%bc%95%e7%94%a8%e4%bc%a0%e9%80%92%ef%bc%9a%e5%8a%a0%e9%80%9f%e4%bd%a0%e7%9a%84%e5%87%bd%e6%95%b0%e5%bc%80%e5%8f%91%e6%b5%81%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47659\/","title":{"rendered":"PHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p>\u5f15\u7528\u4f20\u9012\u5141\u8bb8\u51fd\u6570\u901a\u8fc7\u4fee\u6539\u53d8\u91cf\u5f15\u7528\u6765\u4fee\u6539\u5176\u53c2\u6570\u7684\u539f\u59cb\u503c\uff0c\u4ece\u800c\u63d0\u9ad8\u51fd\u6570\u7684\u6548\u7387\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u5904\u7406\u5927\u578b\u6216\u590d\u6742\u6570\u636e\u7ed3\u6784\u3002\u8bed\u6cd5\u4e3a\u5728\u53c2\u6570\u524d\u9762\u52a0\u4e0a&#8221;&amp;&#8221;\u7b26\u53f7\uff1b\u5b9e\u6218\u6848\u4f8b\u4e2d\uff0c\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\uff0c\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u6570\u7ec4\uff0c\u800c\u975e\u4ec5\u6253\u5370\u526f\u672c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729928425671c9ce96834c.jpg\" class=\"aligncenter\" title=\"PHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b\u63d2\u56fe\" alt=\"PHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b<\/strong><\/p>\n<p>\u5f15\u7528\u4f20\u9012\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u5176\u53c2\u6570\u7684\u539f\u59cb\u503c\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u5176\u526f\u672c\u3002\u8fd9\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u51fd\u6570\u7684\u6548\u7387\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u578b\u6216\u590d\u6742\u6570\u636e\u7ed3\u6784\u65f6\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u8981\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u53c2\u6570\uff0c\u53ef\u4ee5\u5728\u8be5\u53c2\u6570\u524d\u9762\u52a0\u4e0a\u4e00\u4e2a &amp; \u7b26\u53f7\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function incrementByReference(&amp;$value) {\n  $value++;\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff0c\u6211\u4eec\u5c06\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u4e00\u4e2a\u51fd\u6570\u3002<\/p>\n<pre>function printArrayCopy(array $arr) {\n  foreach ($arr as $value) {\n    echo $value . PHP_EOL;\n  }\n}<\/pre>\n<p>\u5f53\u6211\u4eec\u8c03\u7528\u6b64\u51fd\u6570\u5e76\u4f20\u9012\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u5b83\u53ea\u4f1a\u6253\u5370\u6570\u7ec4\u7684\u526f\u672c\uff0c\u800c\u4e0d\u4f1a\u4fee\u6539\u539f\u59cb\u6570\u7ec4\u3002<\/p>\n<pre>$arr = array(1, 2, 3);\nprintArrayCopy($arr); \/\/ \u6253\u5370\uff1a1\u30012\u30013<\/pre>\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\uff1a<\/p>\n<pre>function printArrayReference(array &amp;$arr) {\n  foreach ($arr as &amp;$value) {\n    $value++;\n  }\n}<\/pre>\n<p>\u73b0\u5728\uff0c\u5f53\u6211\u4eec\u8c03\u7528\u6b64\u51fd\u6570\u5e76\u4f20\u9012\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u5b83\u4f1a\u4fee\u6539\u539f\u59cb\u6570\u7ec4\uff0c\u56e0\u4e3a\u53c2\u6570\u88ab\u4f20\u9012\u4e3a\u5f15\u7528\u3002<\/p>\n<pre>printArrayReference($arr);\nprint_r($arr); \/\/ \u8f93\u51fa\uff1a2\u30013\u30014<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u5f15\u7528\u4f20\u9012\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6280\u672f\uff0c\u53ef\u7528\u4e8e\u63d0\u9ad8\u51fd\u6570\u6548\u7387\u548c\u7b80\u5316\u4ee3\u7801\u3002\u901a\u8fc7\u4e86\u89e3\u5982\u4f55\u6b63\u786e\u4f7f\u7528\u5b83\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199\u51fa\u6027\u80fd\u66f4\u597d\u7684\u7a0b\u5e8f\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b \u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300aPHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b\u300b\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~ \u5f15\u7528\u4f20\u9012\u5141\u8bb8\u51fd\u6570\u901a\u8fc7\u4fee\u6539\u53d8\u91cf\u5f15\u7528\u6765\u4fee\u6539\u5176\u53c2\u6570\u7684\u539f\u59cb\u503c\uff0c\u4ece\u800c\u63d0\u9ad8\u51fd\u6570\u7684\u6548\u7387\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u5904\u7406\u5927\u578b\u6216\u590d\u6742\u6570\u636e\u7ed3\u6784\u3002\u8bed\u6cd5\u4e3a\u5728\u53c2\u6570\u524d\u9762\u52a0\u4e0a&#8221;&amp;&#8221;\u7b26\u53f7\uff1b\u5b9e\u6218\u6848\u4f8b\u4e2d\uff0c\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\uff0c\u53ef\u4ee5\u4fee\u6539\u539f\u59cb\u6570\u7ec4\uff0c\u800c\u975e\u4ec5\u6253\u5370\u526f\u672c\u3002 PHP \u5f15\u7528\u4f20\u9012\uff1a\u52a0\u901f\u4f60\u7684\u51fd\u6570\u5f00\u53d1\u6d41\u7a0b \u5f15\u7528\u4f20\u9012\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u5176\u53c2\u6570\u7684\u539f\u59cb\u503c\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u5176\u526f\u672c\u3002\u8fd9\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u51fd\u6570\u7684\u6548\u7387\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u578b\u6216\u590d\u6742\u6570\u636e\u7ed3\u6784\u65f6\u3002 \u8bed\u6cd5 \u8981\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u53c2\u6570\uff0c\u53ef\u4ee5\u5728\u8be5\u53c2\u6570\u524d\u9762\u52a0\u4e0a\u4e00\u4e2a &amp; \u7b26\u53f7\u3002\u4f8b\u5982\uff1a function incrementByReference(&amp;$value) { $value++; } \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\uff0c\u6211\u4eec\u5c06\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u4e00\u4e2a\u51fd\u6570\u3002 function printArrayCopy(array $arr) { foreach ($arr as $value) { echo $value . PHP_EOL; } } \u5f53\u6211\u4eec\u8c03\u7528\u6b64\u51fd\u6570\u5e76\u4f20\u9012\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u5b83\u53ea\u4f1a\u6253\u5370\u6570\u7ec4\u7684\u526f\u672c\uff0c\u800c\u4e0d\u4f1a\u4fee\u6539\u539f\u59cb\u6570\u7ec4\u3002 $arr = array(1, 2, 3); printArrayCopy($arr); \/\/ \u6253\u5370\uff1a1\u30012\u30013 \u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u7ec4\uff1a function printArrayReference(array &amp;$arr) { foreach ($arr as &amp;$value) { $value++; } [&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-47659","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47659","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=47659"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47659\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}