{"id":29225,"date":"2023-10-31T05:39:49","date_gmt":"2022-09-26T16:56:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%88%9b%e7%ab%8b%e4%b8%80%e4%b8%aaphp%e6%96%87%e4%bb%b6%e5%a4%b9\/"},"modified":"2025-08-12T12:57:19","modified_gmt":"2025-08-12T04:57:19","slug":"%e5%88%9b%e7%ab%8b%e4%b8%80%e4%b8%aaphp%e6%96%87%e4%bb%b6%e5%a4%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%88%9b%e7%ab%8b%e4%b8%80%e4%b8%aaphp%e6%96%87%e4%bb%b6%e5%a4%b9\/","title":{"rendered":"\u521b\u7acb\u4e00\u4e2aPHP\u6587\u4ef6\u5939"},"content":{"rendered":"<h1>\u521b\u5efaPHP\u76ee\u5f55<\/h1>\n<p>\u5982\u679c\u76ee\u5f55\u5b58\u5728\uff0c\u5219\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff1b\u5982\u679c\u76ee\u5f55\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u8be5\u76ee\u5f55\u3002(\u652f\u6301\u5d4c\u5957\u7ed3\u6784)<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">mkdir<\/span><span class=\"p\">(<\/span><span class=\"nv\">$path<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$mod<\/span><span class=\"o\">=<\/span> <span class=\"mo\">0777<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">file_exists<\/span><span class=\"p\">(<\/span><span class=\"nv\">$path<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"kc\">TRUE<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">@<\/span><span class=\"nb\">mkdir<\/span><span class=\"p\">(<\/span><span class=\"nv\">$path<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$mod<\/span><span class=\"p\">,<\/span> <span class=\"kc\">TRUE<\/span><span class=\"p\">)<\/span><span class=\"o\">==<\/span><span class=\"kc\">FALSE<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"kc\">FALSE<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nb\">chmod<\/span><span class=\"p\">(<\/span><span class=\"nv\">$path<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$mod<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">file_exists<\/span><span class=\"p\">(<\/span><span class=\"nv\">$path<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"kc\">TRUE<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"kc\">FALSE<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5728`mkdir`\u7684\u5730\u65b9\u7531\u4e8e\u6743\u9650\u95ee\u9898\u65e0\u6cd5\u5199\u5165\uff0c\u5219\u4e0d\u663e\u793a\u9519\u8bef\u6d88\u606f\u3002\u867d\u7136\u8003\u8651\u4e86\u6743\u9650\u68c0\u67e5\uff0c\u4f7f\u7528`is_writable`\u51fd\u6570\u5982\u4e0b\uff0c\u4f46\u662f\u7531\u4e8e\u5728\u9012\u5f52\u521b\u5efa\u76ee\u5f55\u65f6\u68c0\u67e5\u4e5f\u5f88\u9ebb\u70e6\uff0c\u6240\u4ee5\u4e0d\u8fdb\u884c\u68c0\u67e5\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">is_writable<\/span><span class=\"p\">(<\/span><span class=\"nv\">$xxxx<\/span><span class=\"p\">)<\/span><span class=\"o\">==<\/span><span class=\"kc\">FALSE<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"kc\">FALSE<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u7531\u4e8emkdir\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53d7\u5230umask\u7684\u5f71\u54cd\uff0c\u56e0\u6b64\u6211\u4eec\u4f1a\u7d27\u63a5\u7740\u4f7f\u7528chmod\u8fdb\u884c\u6743\u9650\u7684\u66f4\u6539\u3002<\/p>\n<h2>\u5907\u8003<\/h2>\n<p>\u5982\u679c\u4f7f\u7528PHP7.0\u6216\u66f4\u9ad8\u7248\u672c\u8fdb\u884c\u7f16\u5199\uff0c\u53ef\u4ee5\u5bf9\u53c2\u6570\u548c\u8fd4\u56de\u503c\u8fdb\u884c\u7c7b\u578b\u6307\u5b9a\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">mkdir<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span> <span class=\"nv\">$path<\/span><span class=\"p\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"nv\">$mod<\/span><span class=\"o\">=<\/span> <span class=\"mo\">0777<\/span><span class=\"p\">)<\/span> <span class=\"p\">:<\/span><span class=\"kt\">bool<\/span> <span class=\"p\">{}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u662f\u7b14\u8bb0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u521b\u5efaPHP\u76ee\u5f55 \u5982\u679c\u76ee\u5f55\u5b58\u5728\uff0c\u5219\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff1b\u5982\u679c\u76ee\u5f55\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u8be5\u76ee\u5f55\u3002(\u652f\u6301\u5d4c\u5957\u7ed3\u6784) public  [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29225","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u521b\u7acb\u4e00\u4e2aPHP\u6587\u4ef6\u5939 - Blog - Silicon Cloud<\/title>\n<meta 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