{"id":47914,"date":"2024-12-02T11:37:39","date_gmt":"2024-12-02T03:37:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47914\/"},"modified":"2024-12-02T11:37:39","modified_gmt":"2024-12-02T03:37:39","slug":"%e6%89%a9%e5%b1%95-php-%e5%87%bd%e6%95%b0%e6%98%af%e5%90%a6%e9%9c%80%e8%a6%81%e7%89%b9%e6%ae%8a%e6%9d%83%e9%99%90%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47914\/","title":{"rendered":"\u6269\u5c55 PHP \u51fd\u6570\u662f\u5426\u9700\u8981\u7279\u6b8a\u6743\u9650\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u6269\u5c55 PHP \u51fd\u6570\u662f\u5426\u9700\u8981\u7279\u6b8a\u6743\u9650\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u6269\u5c55 PHP \u51fd\u6570\u662f\u5426\u9700\u8981\u7279\u6b8a\u6743\u9650\uff1f\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p>\u5bf9\u4e8e PHP \u51fd\u6570\u6269\u5c55\uff0c\u6743\u9650\u8981\u6c42\u5305\u62ec\uff1a\u7ee7\u627f\u6743\u9650\uff1a\u6269\u5c55\u51fd\u6570\u7ee7\u627f\u7236\u811a\u672c\u7684\u6743\u9650\u3002\u660e\u786e\u6743\u9650\uff1a\u4f7f\u7528 declare \u8bed\u53e5\u53ef\u4e3a\u6269\u5c55\u51fd\u6570\u6307\u5b9a\u663e\u5f0f\u6743\u9650\uff0c\u8986\u76d6\u7236\u811a\u672c\u7684\u6743\u9650\u8bbe\u7f6e\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729942762671cd4ea44a53.jpg\" class=\"aligncenter\" title=\"\u6269\u5c55 PHP \u51fd\u6570\u662f\u5426\u9700\u8981\u7279\u6b8a\u6743\u9650\uff1f\u63d2\u56fe\" alt=\"\u6269\u5c55 PHP \u51fd\u6570\u662f\u5426\u9700\u8981\u7279\u6b8a\u6743\u9650\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u6269\u5c55\uff1a\u6743\u9650\u8981\u6c42<\/strong><\/p>\n<p><strong>\u524d\u8a00<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u6269\u5c55\u51fd\u6570\u662f\u53ef\u4ee5\u5728\u811a\u672c\u4e2d\u4f7f\u7528\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u6269\u5c55 PHP \u51fd\u6570\u7684\u6743\u9650\u8981\u6c42\uff0c\u5e76\u901a\u8fc7\u51e0\u4e2a\u5b9e\u6218\u6848\u4f8b\u6765\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<p><strong>\u6743\u9650\u7c7b\u578b<\/strong><\/p>\n<ul>\n<li><strong>\u7ee7\u627f\u6743\u9650\uff1a<\/strong>\u6269\u5c55\u51fd\u6570\u4ece\u7236\u811a\u672c\u7ee7\u627f\u5176\u6743\u9650\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u7236\u811a\u672c\u6709\u5199\u5165\u6587\u4ef6\u6743\u9650\uff0c\u90a3\u4e48\u6269\u5c55\u51fd\u6570\u4e5f\u53ef\u4ee5\u5199\u5165\u6587\u4ef6\u3002<\/li>\n<li><strong>\u660e\u786e\u6743\u9650\uff1a<\/strong>\u901a\u8fc7\u4f7f\u7528 <code>declare<\/code> \u8bed\u53e5\uff0c\u53ef\u4ee5\u4e3a\u6269\u5c55\u51fd\u6570\u6307\u5b9a\u660e\u786e\u7684\u6743\u9650\u3002\u8fd9\u53ef\u4ee5\u8986\u76d6\u7236\u811a\u672c\u7684\u6743\u9650\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u6848\u4f8b 1\uff1a\u4f7f\u7528\u7ee7\u627f\u6743\u9650<\/strong><\/p>\n<pre>&lt;?php\n\/\/ \u7236\u811a\u672c\u5199\u5165\u6587\u4ef6\u6743\u9650\nfile_put_contents('test.txt', 'Hello world!');\n\n\/\/ \u6269\u5c55\u51fd\u6570\u6ca1\u6709\u663e\u5f0f\u6743\u9650\nfunction write_file($filename, $content) {\n    file_put_contents($filename, $content);\n}\n\nwrite_file('test2.txt', 'Hello world!');\n?&gt;<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>test2.txt \u5df2\u521b\u5efa<\/pre>\n<p>\u5728\u8fd9\u4e2a\u6848\u4f8b\u4e2d\uff0c<code>write_file()<\/code> \u51fd\u6570\u7ee7\u627f\u4e86\u7236\u811a\u672c\u7684\u5199\u5165\u6743\u9650\uff0c\u6210\u529f\u5730\u521b\u5efa\u4e86 <code>test2.txt<\/code> \u6587\u4ef6\u3002<\/p>\n<p><strong>\u6848\u4f8b 2\uff1a\u4f7f\u7528\u660e\u786e\u6743\u9650<\/strong><\/p>\n<pre>&lt;?php\n\/\/ \u6ca1\u6709\u5199\u5165\u6587\u4ef6\u6743\u9650\ndeclare(strict_types=1);\n\n\/\/ \u6269\u5c55\u51fd\u6570\u6709\u663e\u5f0f\u6743\u9650\nfunction write_file($filename, $content): void {\n    file_put_contents($filename, $content);\n}\n\nwrite_file('test3.txt', 'Hello world!');<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>Fatal error: Uncaught Error: file_put_contents(): Permission denied<\/pre>\n<p>\u5728\u8fd9\u4e2a\u6848\u4f8b\u4e2d\uff0c\u7236\u811a\u672c\u6ca1\u6709\u5199\u5165\u6743\u9650\u3002<code>write_file()<\/code> \u51fd\u6570\u58f0\u660e\u4e86\u660e\u786e\u7684\u6743\u9650\uff0c\u4f46\u7531\u4e8e\u7236\u811a\u672c\u6743\u9650\u7684\u9650\u5236\uff0c\u65e0\u6cd5\u6267\u884c\u5199\u5165\u6587\u4ef6\u64cd\u4f5c\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>PHP \u51fd\u6570\u6269\u5c55\u7684\u6743\u9650\u8981\u6c42\u53d6\u51b3\u4e8e\u5176\u7236\u811a\u672c\u7684\u6743\u9650\u4ee5\u53ca\u51fd\u6570\u672c\u8eab\u660e\u786e\u6307\u5b9a\u7684\u6743\u9650\u3002\u901a\u8fc7\u4f7f\u7528\u7ee7\u627f\u6743\u9650\u548c\u660e\u786e\u6743\u9650\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u63a7\u5236\u81ea\u5b9a\u4e49\u51fd\u6570\u7684\u6743\u9650\u3002<\/p>\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>\u6269\u5c55 PHP \u51fd\u6570\u662f\u5426\u9700\u8981\u7279\u6b8a\u6743\u9650\uff1f \u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u300a\u6269\u5c55 PHP \u51fd\u6570\u662f\u5426\u9700\u8981\u7279\u6b8a\u6743\u9650\uff1f\u300b\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u6587\u7ae0\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~ \u5bf9\u4e8e PHP \u51fd\u6570\u6269\u5c55\uff0c\u6743\u9650\u8981\u6c42\u5305\u62ec\uff1a\u7ee7\u627f\u6743\u9650\uff1a\u6269\u5c55\u51fd\u6570\u7ee7\u627f\u7236\u811a\u672c\u7684\u6743\u9650\u3002\u660e\u786e\u6743\u9650\uff1a\u4f7f\u7528 declare \u8bed\u53e5\u53ef\u4e3a\u6269\u5c55\u51fd\u6570\u6307\u5b9a\u663e\u5f0f\u6743\u9650\uff0c\u8986\u76d6\u7236\u811a\u672c\u7684\u6743\u9650\u8bbe\u7f6e\u3002 PHP \u51fd\u6570\u6269\u5c55\uff1a\u6743\u9650\u8981\u6c42 \u524d\u8a00 \u5728 PHP \u4e2d\uff0c\u6269\u5c55\u51fd\u6570\u662f\u53ef\u4ee5\u5728\u811a\u672c\u4e2d\u4f7f\u7528\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u6269\u5c55 PHP \u51fd\u6570\u7684\u6743\u9650\u8981\u6c42\uff0c\u5e76\u901a\u8fc7\u51e0\u4e2a\u5b9e\u6218\u6848\u4f8b\u6765\u8fdb\u884c\u8bf4\u660e\u3002 \u6743\u9650\u7c7b\u578b \u7ee7\u627f\u6743\u9650\uff1a\u6269\u5c55\u51fd\u6570\u4ece\u7236\u811a\u672c\u7ee7\u627f\u5176\u6743\u9650\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u7236\u811a\u672c\u6709\u5199\u5165\u6587\u4ef6\u6743\u9650\uff0c\u90a3\u4e48\u6269\u5c55\u51fd\u6570\u4e5f\u53ef\u4ee5\u5199\u5165\u6587\u4ef6\u3002 \u660e\u786e\u6743\u9650\uff1a\u901a\u8fc7\u4f7f\u7528 declare \u8bed\u53e5\uff0c\u53ef\u4ee5\u4e3a\u6269\u5c55\u51fd\u6570\u6307\u5b9a\u660e\u786e\u7684\u6743\u9650\u3002\u8fd9\u53ef\u4ee5\u8986\u76d6\u7236\u811a\u672c\u7684\u6743\u9650\u8bbe\u7f6e\u3002 \u5b9e\u6218\u6848\u4f8b \u6848\u4f8b 1\uff1a\u4f7f\u7528\u7ee7\u627f\u6743\u9650 &lt;?php \/\/ \u7236\u811a\u672c\u5199\u5165\u6587\u4ef6\u6743\u9650 file_put_contents(&#8216;test.txt&#8217;, &#8216;Hello world!&#8217;); \/\/ \u6269\u5c55\u51fd\u6570\u6ca1\u6709\u663e\u5f0f\u6743\u9650 function write_file($filename, $content) { file_put_contents($filename, $content); } write_file(&#8216;test2.txt&#8217;, &#8216;Hello world!&#8217;); ?&gt; \u8f93\u51fa\uff1a test2.txt \u5df2\u521b\u5efa \u5728\u8fd9\u4e2a\u6848\u4f8b\u4e2d\uff0cwrite_file() \u51fd\u6570\u7ee7\u627f\u4e86\u7236\u811a\u672c\u7684\u5199\u5165\u6743\u9650\uff0c\u6210\u529f\u5730\u521b\u5efa\u4e86 test2.txt \u6587\u4ef6\u3002 \u6848\u4f8b 2\uff1a\u4f7f\u7528\u660e\u786e\u6743\u9650 [&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-47914","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47914","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=47914"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47914\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}