{"id":48192,"date":"2024-12-02T09:53:59","date_gmt":"2024-12-02T01:53:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48192\/"},"modified":"2024-12-02T09:53:59","modified_gmt":"2024-12-02T01:53:59","slug":"%e4%bc%98%e5%8c%96-php-%e9%80%92%e5%bd%92%e5%87%bd%e6%95%b0%e4%bb%a5%e6%8f%90%e9%ab%98%e5%a0%86%e6%a0%88%e5%88%a9%e7%94%a8%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48192\/","title":{"rendered":"\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387<\/h1>\n<p>\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u7c73\u4e91\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387\u300b<\/span>\uff0c\u672c\u6587\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\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p>\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u53ef\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387\uff1a\u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\uff1a\u5c06\u51fd\u6570\u8c03\u7528\u7684\u8fd4\u56de\u5730\u5740\u5b58\u50a8\u5728\u5bc4\u5b58\u5668\u4e2d\uff0c\u800c\u4e0d\u662f\u5806\u6808\u4e2d\uff0c\u53ef\u663e\u7740\u51cf\u5c11\u5806\u6808\u7a7a\u95f4\u7684\u6d88\u8017\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u4f18\u5316\u8ba1\u7b97\u6587\u4ef6\u7cfb\u7edf\u4e2d\u6240\u6709\u6587\u4ef6\u5927\u5c0f\u7684\u9012\u5f52\u51fd\u6570\uff0c\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\uff0c\u53ef\u5927\u91cf\u51cf\u5c11\u5806\u6808\u7a7a\u95f4\u6d88\u8017\uff0c\u907f\u514d\u5806\u6808\u6ea2\u51fa\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1729996904671da868df54e.jpg\" class=\"aligncenter\" title=\"\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387\u63d2\u56fe\" alt=\"\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u9012\u5f52\u51fd\u6570\u4f1a\u521b\u5efa\u5927\u91cf\u7684\u5806\u6808\u5e27\uff0c\u8fd9\u53ef\u80fd\u4f1a\u8017\u5c3d\u7cfb\u7edf\u7684\u5806\u6808\u7a7a\u95f4\u3002\u4e3a\u4e86\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f18\u5316\u9012\u5f52\u51fd\u6570\u4ee5\u4f7f\u7528\u66f4\u5c11\u7684\u5806\u6808\u7a7a\u95f4\u3002<\/p>\n<p><strong>\u5c3e\u9012\u5f52\u4f18\u5316<\/strong><\/p>\n<p>\u5c3e\u9012\u5f52\u662f\u6307\u5f53\u4e00\u4e2a\u51fd\u6570\u7684\u9012\u5f52\u8c03\u7528\u662f\u6700\u540e\u4e00\u4e2a\u64cd\u4f5c\u65f6\u7684\u60c5\u51b5\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\u6280\u672f\uff0c\u5b83\u4f1a\u5c06\u51fd\u6570\u8c03\u7528\u7684\u8fd4\u56de\u5730\u5740\u5b58\u50a8\u5728\u5bc4\u5b58\u5668\u4e2d\uff0c\u800c\u4e0d\u662f\u5728\u5806\u6808\u4e2d\u3002\u8fd9\u53ef\u4ee5\u663e\u7740\u51cf\u5c11\u5806\u6808\u7a7a\u95f4\u7684\u6d88\u8017\u3002<\/p>\n<pre>\/\/ \u539f\u59cb\u9012\u5f52\u51fd\u6570\nfunction factorial($n) {\n  if ($n == 0) {\n    return 1;\n  } else {\n    return $n * factorial($n - 1);\n  }\n}\n\n\/\/ \u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\u7684\u51fd\u6570\nfunction factorial_tailrec($n, $acc = 1) {\n  if ($n == 0) {\n    return $acc;\n  } else {\n    return factorial_tailrec($n - 1, $n * $acc);\n  }\n}\n\n\/\/ \u6267\u884c\u6bd4\u8f83\n$n = 10000;\nprintf(\"\u539f\u59cb\u51fd\u6570: %d\\n\", factorial($n));\nprintf(\"\u4f18\u5316\u51fd\u6570: %d\\n\", factorial_tailrec($n));\n?&gt;<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u6587\u4ef6\u7cfb\u7edf\u4e2d\u6240\u6709\u6587\u4ef6\u5927\u5c0f\u7684\u9012\u5f52\u51fd\u6570\u3002\u539f\u59cb\u7248\u672c\u4f7f\u7528\u5927\u91cf\u5806\u6808\u7a7a\u95f4\uff0c\u4f1a\u5bfc\u81f4\u5806\u6808\u6ea2\u51fa\u3002<\/p>\n<pre>\/\/ \u539f\u59cb\u9012\u5f52\u51fd\u6570\nfunction get_file_sizes($dir) {\n  $sizes = [];\n  foreach (scandir($dir) as $file) {\n    if (is_dir($file)) {\n      $sizes[] += get_file_sizes($dir . '\/' . $file);\n    } else {\n      $sizes[] += filesize($dir . '\/' . $file);\n    }\n  }\n  return $sizes;\n}<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5806\u6808\u7a7a\u95f4\u6d88\u8017\u5927\u5927\u51cf\u5c11\u3002<\/p>\n<pre>\/\/ \u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\u7684\u51fd\u6570\nfunction get_file_sizes_tailrec($dir, $sizes = []) {\n  foreach (scandir($dir) as $file) {\n    if (is_dir($file)) {\n      return get_file_sizes_tailrec($dir . '\/' . $file, $sizes);\n    } else {\n      $sizes[] += filesize($dir . '\/' . $file);\n    }\n  }\n  return $sizes;\n}\n\n\/\/ \u6267\u884c\u6bd4\u8f83\n$dir = '\/path\/to\/directory';\nprintf(\"\u539f\u59cb\u51fd\u6570: %d\\n\", array_sum(get_file_sizes($dir)));\nprintf(\"\u4f18\u5316\u51fd\u6570: %d\\n\", array_sum(get_file_sizes_tailrec($dir)));\n?&gt;<\/pre>\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>\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387 \u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u7c73\u4e91\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300a\u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387\u300b\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01 \u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u53ef\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387\uff1a\u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\uff1a\u5c06\u51fd\u6570\u8c03\u7528\u7684\u8fd4\u56de\u5730\u5740\u5b58\u50a8\u5728\u5bc4\u5b58\u5668\u4e2d\uff0c\u800c\u4e0d\u662f\u5806\u6808\u4e2d\uff0c\u53ef\u663e\u7740\u51cf\u5c11\u5806\u6808\u7a7a\u95f4\u7684\u6d88\u8017\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u4f18\u5316\u8ba1\u7b97\u6587\u4ef6\u7cfb\u7edf\u4e2d\u6240\u6709\u6587\u4ef6\u5927\u5c0f\u7684\u9012\u5f52\u51fd\u6570\uff0c\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\uff0c\u53ef\u5927\u91cf\u51cf\u5c11\u5806\u6808\u7a7a\u95f4\u6d88\u8017\uff0c\u907f\u514d\u5806\u6808\u6ea2\u51fa\u3002 \u4f18\u5316 PHP \u9012\u5f52\u51fd\u6570\u4ee5\u63d0\u9ad8\u5806\u6808\u5229\u7528\u6548\u7387 \u5728 PHP \u4e2d\uff0c\u9012\u5f52\u51fd\u6570\u4f1a\u521b\u5efa\u5927\u91cf\u7684\u5806\u6808\u5e27\uff0c\u8fd9\u53ef\u80fd\u4f1a\u8017\u5c3d\u7cfb\u7edf\u7684\u5806\u6808\u7a7a\u95f4\u3002\u4e3a\u4e86\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f18\u5316\u9012\u5f52\u51fd\u6570\u4ee5\u4f7f\u7528\u66f4\u5c11\u7684\u5806\u6808\u7a7a\u95f4\u3002 \u5c3e\u9012\u5f52\u4f18\u5316 \u5c3e\u9012\u5f52\u662f\u6307\u5f53\u4e00\u4e2a\u51fd\u6570\u7684\u9012\u5f52\u8c03\u7528\u662f\u6700\u540e\u4e00\u4e2a\u64cd\u4f5c\u65f6\u7684\u60c5\u51b5\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\u6280\u672f\uff0c\u5b83\u4f1a\u5c06\u51fd\u6570\u8c03\u7528\u7684\u8fd4\u56de\u5730\u5740\u5b58\u50a8\u5728\u5bc4\u5b58\u5668\u4e2d\uff0c\u800c\u4e0d\u662f\u5728\u5806\u6808\u4e2d\u3002\u8fd9\u53ef\u4ee5\u663e\u7740\u51cf\u5c11\u5806\u6808\u7a7a\u95f4\u7684\u6d88\u8017\u3002 \/\/ \u539f\u59cb\u9012\u5f52\u51fd\u6570 function factorial($n) { if ($n == 0) { return 1; } else { return $n * factorial($n &#8211; 1); } } \/\/ \u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\u7684\u51fd\u6570 function factorial_tailrec($n, $acc = 1) { if ($n == 0) { return [&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-48192","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48192","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=48192"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48192\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}