{"id":46923,"date":"2024-12-02T15:00:20","date_gmt":"2024-12-02T07:00:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46923\/"},"modified":"2024-12-02T15:00:20","modified_gmt":"2024-12-02T07:00:20","slug":"php-%e5%87%bd%e6%95%b0%e6%9c%89%e5%93%aa%e4%ba%9b%e7%a4%be%e5%8c%ba%e6%94%af%e6%8c%81%e5%88%86%e7%b1%bb%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46923\/","title":{"rendered":"PHP \u51fd\u6570\u6709\u54ea\u4e9b\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u6709\u54ea\u4e9b\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1f<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u6709\u54ea\u4e9b\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p>PHP \u51fd\u6570\u6309\u793e\u533a\u652f\u6301\u5206\u7c7b\uff0c\u5e38\u89c1\u5206\u7c7b\u5305\u62ec\u6570\u7ec4\u3001\u5b57\u7b26\u4e32\u3001\u6570\u5b66\u3001\u65e5\u671f\u3001\u6587\u4ef6\u3001\u8c03\u8bd5\u3001\u7cfb\u7edf\u548c\u6570\u636e\u5e93\u8bbf\u95ee\u3002\u5982\u9700\u5c06\u6570\u7ec4\u5143\u7d20\u4e58\u4ee5 2\uff0c\u53ef\u4f7f\u7528 array_map() \u51fd\u6570\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729854633671b7ca9aac6b.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u6709\u54ea\u4e9b\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u6709\u54ea\u4e9b\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u793e\u533a\u652f\u6301\u5206\u7c7b<\/strong><\/p>\n<p>PHP \u51fd\u6570\u63d0\u4f9b\u5e7f\u6cdb\u7684\u529f\u80fd\uff0c\u5728 PHP \u624b\u518c\u4e2d\u6309\u7c7b\u578b\u5206\u7c7b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1a<\/p>\n<ol>\n<li><strong>\u6570\u7ec4\u548c\u96c6\u5408<\/strong><\/li>\n<li><code>array_map()<\/code>\u3001<code>array_filter()<\/code>\u3001<code>array_reduce()<\/code><\/li>\n<li><strong>\u5b57\u7b26\u4e32<\/strong><\/li>\n<li><code>substr()<\/code>\u3001<code>str_replace()<\/code>\u3001<code>strtoupper()<\/code><\/li>\n<li><strong>\u6570\u5b66\u548c\u7edf\u8ba1<\/strong><\/li>\n<li><code>abs()<\/code>\u3001<code>round()<\/code>\u3001<code>max()<\/code>\u3001<code>min()<\/code><\/li>\n<li><strong>\u65e5\u671f\u548c\u65f6\u95f4<\/strong><\/li>\n<li><code>date()<\/code>\u3001<code>strtotime()<\/code>\u3001<code>strftime()<\/code><\/li>\n<li><strong>\u6587\u4ef6\u548c\u76ee\u5f55<\/strong><\/li>\n<li><code>file_exists()<\/code>\u3001<code>fopen()<\/code>\u3001<code>readdir()<\/code><\/li>\n<li><strong>\u8c03\u8bd5\u548c\u9519\u8bef\u5904\u7406<\/strong><\/li>\n<li><code>var_dump()<\/code>\u3001<code>print_r()<\/code>\u3001<code>set_error_handler()<\/code><\/li>\n<li><strong>\u7cfb\u7edf\u548c\u8fdb\u7a0b<\/strong><\/li>\n<li><code>system()<\/code>\u3001<code>exec()<\/code>\u3001<code>memory_get_usage()<\/code><\/li>\n<li><strong>\u6570\u636e\u5e93\u8bbf\u95ee<\/strong><\/li>\n<li><code>mysqli_connect()<\/code>\u3001<code>mysqli_query()<\/code>\u3001<code>mysqli_fetch_assoc()<\/code><\/li>\n<\/ol>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>\/\/ \u4f7f\u7528 array_map() \u5c06\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4e58\u4ee5 2\n$numbers = [1, 2, 3, 4];\n$multipliedNumbers = array_map(function($n) { return $n * 2; }, $numbers);<\/pre>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>array_map()<\/code> \u51fd\u6570\u5c06 <code>$numbers<\/code> \u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u4e58\u4ee5 2\u3002\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u95ed\u5305\u4f5c\u4e3a callback \u53c2\u6570\uff0c\u5176\u4e2d\u95ed\u5305\u5b9a\u4e49\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8981\u6267\u884c\u7684\u64cd\u4f5c\u3002<\/p>\n<p><strong>\u7ed3\u675f\u8bed<\/strong><\/p>\n<p>\u7406\u89e3 PHP \u51fd\u6570\u7684\u793e\u533a\u652f\u6301\u5206\u7c7b\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u6709\u52a9\u4e8e\u60a8\u6709\u6548\u5730\u9009\u62e9\u6b63\u786e\u7684\u51fd\u6570\u6765\u6ee1\u8db3\u60a8\u7684\u9700\u6c42\u3002\u5982\u679c\u60a8\u4e0d\u786e\u5b9a\u54ea\u4e2a\u51fd\u6570\u6700\u9002\u5408\u67d0\u9879\u4efb\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528 PHP \u624b\u518c\u6216 Stack Overflow \u7b49\u793e\u533a\u8d44\u6e90\u6765\u5bfb\u6c42\u5e2e\u52a9\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u51fd\u6570\u6709\u54ea\u4e9b\u793e\u533a\u652f\u6301\u5206\u7c7b\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,\u793e\u533a\u652f\u6301\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u6709\u54ea\u4e9b\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1f \u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aPHP \u51fd\u6570\u6709\u54ea\u4e9b\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1f\u300b\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6587\u7ae0\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01 PHP \u51fd\u6570\u6309\u793e\u533a\u652f\u6301\u5206\u7c7b\uff0c\u5e38\u89c1\u5206\u7c7b\u5305\u62ec\u6570\u7ec4\u3001\u5b57\u7b26\u4e32\u3001\u6570\u5b66\u3001\u65e5\u671f\u3001\u6587\u4ef6\u3001\u8c03\u8bd5\u3001\u7cfb\u7edf\u548c\u6570\u636e\u5e93\u8bbf\u95ee\u3002\u5982\u9700\u5c06\u6570\u7ec4\u5143\u7d20\u4e58\u4ee5 2\uff0c\u53ef\u4f7f\u7528 array_map() \u51fd\u6570\u3002 PHP \u51fd\u6570\u793e\u533a\u652f\u6301\u5206\u7c7b PHP \u51fd\u6570\u63d0\u4f9b\u5e7f\u6cdb\u7684\u529f\u80fd\uff0c\u5728 PHP \u624b\u518c\u4e2d\u6309\u7c7b\u578b\u5206\u7c7b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u793e\u533a\u652f\u6301\u5206\u7c7b\uff1a \u6570\u7ec4\u548c\u96c6\u5408 array_map()\u3001array_filter()\u3001array_reduce() \u5b57\u7b26\u4e32 substr()\u3001str_replace()\u3001strtoupper() \u6570\u5b66\u548c\u7edf\u8ba1 abs()\u3001round()\u3001max()\u3001min() \u65e5\u671f\u548c\u65f6\u95f4 date()\u3001strtotime()\u3001strftime() \u6587\u4ef6\u548c\u76ee\u5f55 file_exists()\u3001fopen()\u3001readdir() \u8c03\u8bd5\u548c\u9519\u8bef\u5904\u7406 var_dump()\u3001print_r()\u3001set_error_handler() \u7cfb\u7edf\u548c\u8fdb\u7a0b system()\u3001exec()\u3001memory_get_usage() \u6570\u636e\u5e93\u8bbf\u95ee mysqli_connect()\u3001mysqli_query()\u3001mysqli_fetch_assoc() \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a \/\/ \u4f7f\u7528 array_map() \u5c06\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4e58\u4ee5 2 $numbers = [1, 2, 3, 4]; $multipliedNumbers = array_map(function($n) { return $n * 2; }, $numbers); \u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 [&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-46923","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46923","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=46923"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46923\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}