{"id":47673,"date":"2024-12-02T14:34:24","date_gmt":"2024-12-02T06:34:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47673\/"},"modified":"2024-12-02T14:34:24","modified_gmt":"2024-12-02T06:34:24","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%bc%95%e7%94%a8%e5%92%8c%e6%b5%85%e5%a4%8d%e5%88%b6%e4%b9%8b%e9%97%b4%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47673\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p>PHP\u51fd\u6570\u4e2d\u7684\u5f15\u7528\u548c\u6d45\u590d\u5236\u6709\u4e24\u79cd\u4f20\u9012\u53d8\u91cf\u7684\u65b9\u5f0f\uff1a\u5f15\u7528\uff1a\u76f4\u63a5\u4f20\u9012\u53d8\u91cf\uff0c\u51fd\u6570\u4fee\u6539\u5f15\u7528\u53d8\u91cf\uff0c\u5b9e\u9645\u53d8\u91cf\u4e5f\u53d7\u5f71\u54cd\u3002\u6d45\u590d\u5236\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u53d8\u91cf\uff0c\u8d4b\u503c\u4e3a\u4f20\u9012\u53d8\u91cf\u7684\u503c\uff0c\u51fd\u6570\u4fee\u6539\u53d8\u91cf\u4e0d\u4f1a\u5f71\u54cd\u5b9e\u9645\u53d8\u91cf\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729929463671ca0f7becd2.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u53d8\u91cf\u53ef\u4ee5\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u4f46\u4f20\u9012\u7684\u65b9\u5f0f\u5f71\u54cd\u53d8\u91cf\u5728\u51fd\u6570\u5185\u548c\u51fd\u6570\u5916\u7684\u884c\u4e3a\u3002\u6709\u4e24\u79cd\u4e3b\u8981\u7684\u4f20\u9012\u65b9\u5f0f\uff1a\u5f15\u7528\u548c\u6d45\u590d\u5236\u3002\u4e86\u89e3\u8fd9\u4e24\u79cd\u65b9\u5f0f\u4e4b\u95f4\u7684\u533a\u522b\u5bf9\u4e8e\u6709\u6548\u7f16\u5199 PHP \u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u5f15\u7528<\/strong><\/p>\n<p>\u5f15\u7528\u662f\u4e00\u79cd\u5c06\u53d8\u91cf\u76f4\u63a5\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u65b9\u6cd5\u3002\u5f53\u51fd\u6570\u4fee\u6539\u5f15\u7528\u53d8\u91cf\u65f6\uff0c\u5b9e\u9645\u7684\u53d8\u91cf\u4e5f\u4f1a\u5728\u51fd\u6570\u5916\u88ab\u4fee\u6539\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 <code>&amp;<\/code> \u7b26\u53f7\u6765\u5b9e\u73b0\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>function increment_by_reference(&amp;$number) {\n    $number++;\n}\n\n$number = 10;\nincrement_by_reference($number);\necho $number; \/\/ \u8f93\u51fa 11<\/pre>\n<p><strong>\u6d45\u590d\u5236<\/strong><\/p>\n<p>\u6d45\u590d\u5236\u662f\u6307\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\uff0c\u5e76\u5c06\u5176\u503c\u8bbe\u7f6e\u4e3a\u4f20\u9012\u7684\u53d8\u91cf\u7684\u503c\u3002\u5f53\u51fd\u6570\u4fee\u6539\u6d45\u590d\u5236\u53d8\u91cf\u65f6\uff0c\u5b9e\u9645\u7684\u53d8\u91cf\u5728\u51fd\u6570\u5916\u4e0d\u4f1a\u88ab\u4fee\u6539\u3002<\/p>\n<pre>function increment_by_value($number) {\n    $number++;\n}\n\n$number = 10;\nincrement_by_value($number);\necho $number; \/\/ \u8f93\u51fa 10<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u8868\u5355\u6570\u636e\u9a8c\u8bc1<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u7b80\u5355\u7684\u8868\u5355\u6570\u636e\u9a8c\u8bc1\u51fd\u6570\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u5305\u542b\u7528\u6237\u8f93\u5165\u6570\u636e\u7684\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff1a<\/p>\n<pre>function validate_form_data(array $data) {\n    \/\/ \u5c06\u6bcf\u4e2a\u8f93\u5165\u5b57\u6bb5\u90fd\u8bbe\u7f6e\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff08\u5982\u679c\u4e3a\u7a7a\uff09\n    foreach ($data as &amp;$field) {\n        if (empty($field)) {\n            $field = '';\n        }\n    }\n}\n\n$form_data = [\n    'name' =&gt; 'John Doe',\n    'email' =&gt; '',\n    'message' =&gt; 'Hello there'\n];\nvalidate_form_data($form_data);\nvar_dump($form_data);<\/pre>\n<p>\u7531\u4e8e\u4f7f\u7528\u5f15\u7528\u4f20\u9012\u6570\u636e\uff0c\u51fd\u6570 <code>validate_form_data<\/code> \u53ef\u4ee5\u76f4\u63a5\u4fee\u6539 <code>$form_data<\/code> \u4e2d\u7684\u5b57\u6bb5\u3002\u56e0\u6b64\uff0c<code>'email'<\/code> \u5b57\u6bb5\u5c06\u53d8\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>array(3) {\n  ['name'] =&gt; string(7) \"John Doe\"\n  ['email'] =&gt; string(0) \"\"\n  ['message'] =&gt; string(11) \"Hello there\"\n}<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u4e86\u89e3\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u5bf9\u4e8e\u7f16\u5199\u5065\u58ee\u53ef\u9760\u7684 PHP \u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u9009\u62e9\u6b63\u786e\u7684\u4f20\u9012\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u63a7\u5236\u53d8\u91cf\u5728\u51fd\u6570\u5185\u548c\u51fd\u6570\u5916\u7684\u884c\u4e3a\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\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 \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 PHP\u51fd\u6570\u4e2d\u7684\u5f15\u7528\u548c\u6d45\u590d\u5236\u6709\u4e24\u79cd\u4f20\u9012\u53d8\u91cf\u7684\u65b9\u5f0f\uff1a\u5f15\u7528\uff1a\u76f4\u63a5\u4f20\u9012\u53d8\u91cf\uff0c\u51fd\u6570\u4fee\u6539\u5f15\u7528\u53d8\u91cf\uff0c\u5b9e\u9645\u53d8\u91cf\u4e5f\u53d7\u5f71\u54cd\u3002\u6d45\u590d\u5236\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u53d8\u91cf\uff0c\u8d4b\u503c\u4e3a\u4f20\u9012\u53d8\u91cf\u7684\u503c\uff0c\u51fd\u6570\u4fee\u6539\u53d8\u91cf\u4e0d\u4f1a\u5f71\u54cd\u5b9e\u9645\u53d8\u91cf\u3002 PHP \u51fd\u6570\u4e2d\u5f15\u7528\u548c\u6d45\u590d\u5236\u4e4b\u95f4\u7684\u533a\u522b \u5728 PHP \u4e2d\uff0c\u53d8\u91cf\u53ef\u4ee5\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u4f46\u4f20\u9012\u7684\u65b9\u5f0f\u5f71\u54cd\u53d8\u91cf\u5728\u51fd\u6570\u5185\u548c\u51fd\u6570\u5916\u7684\u884c\u4e3a\u3002\u6709\u4e24\u79cd\u4e3b\u8981\u7684\u4f20\u9012\u65b9\u5f0f\uff1a\u5f15\u7528\u548c\u6d45\u590d\u5236\u3002\u4e86\u89e3\u8fd9\u4e24\u79cd\u65b9\u5f0f\u4e4b\u95f4\u7684\u533a\u522b\u5bf9\u4e8e\u6709\u6548\u7f16\u5199 PHP \u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002 \u5f15\u7528 \u5f15\u7528\u662f\u4e00\u79cd\u5c06\u53d8\u91cf\u76f4\u63a5\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u65b9\u6cd5\u3002\u5f53\u51fd\u6570\u4fee\u6539\u5f15\u7528\u53d8\u91cf\u65f6\uff0c\u5b9e\u9645\u7684\u53d8\u91cf\u4e5f\u4f1a\u5728\u51fd\u6570\u5916\u88ab\u4fee\u6539\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 &amp; \u7b26\u53f7\u6765\u5b9e\u73b0\uff0c\u5982\u4e0b\u6240\u793a\uff1a function increment_by_reference(&amp;$number) { $number++; } $number = 10; increment_by_reference($number); echo $number; \/\/ \u8f93\u51fa 11 \u6d45\u590d\u5236 \u6d45\u590d\u5236\u662f\u6307\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\uff0c\u5e76\u5c06\u5176\u503c\u8bbe\u7f6e\u4e3a\u4f20\u9012\u7684\u53d8\u91cf\u7684\u503c\u3002\u5f53\u51fd\u6570\u4fee\u6539\u6d45\u590d\u5236\u53d8\u91cf\u65f6\uff0c\u5b9e\u9645\u7684\u53d8\u91cf\u5728\u51fd\u6570\u5916\u4e0d\u4f1a\u88ab\u4fee\u6539\u3002 function increment_by_value($number) { $number++; } $number = 10; increment_by_value($number); echo $number; \/\/ \u8f93\u51fa 10 \u5b9e\u6218\u6848\u4f8b\uff1a\u8868\u5355\u6570\u636e\u9a8c\u8bc1 \u8003\u8651\u4e00\u4e2a\u7b80\u5355\u7684\u8868\u5355\u6570\u636e\u9a8c\u8bc1\u51fd\u6570\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u5305\u542b\u7528\u6237\u8f93\u5165\u6570\u636e\u7684\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff1a function validate_form_data(array $data) { \/\/ \u5c06\u6bcf\u4e2a\u8f93\u5165\u5b57\u6bb5\u90fd\u8bbe\u7f6e\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff08\u5982\u679c\u4e3a\u7a7a\uff09 foreach [&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-47673","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47673","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=47673"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47673\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}