{"id":48175,"date":"2024-12-02T13:42:18","date_gmt":"2024-12-02T05:42:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48175\/"},"modified":"2024-12-02T13:42:18","modified_gmt":"2024-12-02T05:42:18","slug":"php%e5%87%bd%e6%95%b0%e6%96%87%e4%bb%b6%e6%93%8d%e4%bd%9c%e6%8c%87%e5%8d%97%ef%bc%9a%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e6%96%87%e4%bb%b6%e5%a4%a7%e5%b0%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48175\/","title":{"rendered":"php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f<\/h1>\n<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6587\u7ae0\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1729995221671da1d5535ce.jpg\" class=\"aligncenter\" title=\"php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f\u63d2\u56fe\" alt=\"php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f<\/strong><\/p>\n<p>\u786e\u5b9a\u6587\u4ef6\u5927\u5c0f\u5bf9\u4e8e\u6587\u4ef6\u7ba1\u7406\u548c\u5b58\u50a8\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u8f7b\u677e\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1a<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a <code>myfile.txt<\/code> \u7684\u6587\u4ef6\u3002\u8981\u83b7\u53d6\u5176\u5927\u5c0f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>filesize()<\/code> \u51fd\u6570\uff1a<\/p>\n<pre>&lt;?php\n$fileSize = filesize('myfile.txt');\necho \"File size in bytes: $fileSize bytes\";\n?&gt;<\/pre>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>File size in bytes: 12345 bytes<\/pre>\n<p><strong>\u51fd\u6570\u8bf4\u660e<\/strong><\/p>\n<ul>\n<li><code>filesize()<\/code>: \u6b64\u51fd\u6570\u5c06\u6587\u4ef6\u5927\u5c0f\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u8fd4\u56de\u3002\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u65e0\u6cd5\u8bbf\u95ee\uff0c\u5219\u8fd4\u56de <code>FALSE<\/code>\u3002<\/li>\n<\/ul>\n<p><strong>\u5176\u4ed6\u9009\u9879<\/strong><\/p>\n<p>\u9664\u4e86 <code>filesize()<\/code> \u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u51fd\u6570\u53ef\u7528\u4e8e\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1a<\/p>\n<ul>\n<li><code>fstat()<\/code>\uff1a\u5141\u8bb8\u60a8\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u548c\u5176\u4ed6\u6587\u4ef6\u7edf\u8ba1\u4fe1\u606f\u3002<\/li>\n<li><code>getimagesize()<\/code>\uff1a\u7528\u4e8e\u68c0\u7d22\u56fe\u50cf\u6587\u4ef6\u7684\u5927\u5c0f\u548c\u5176\u4ed6\u4fe1\u606f\u3002<\/li>\n<li><code>glob()<\/code>\uff1a\u7528\u4e8e\u67e5\u627e\u6587\u4ef6\u5927\u5c0f\u548c\u5176\u4ed6\u6587\u4ef6\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u548c\u7ba1\u7406\u6587\u4ef6\u5927\u5c0f\uff0c\u4ece\u800c\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aphp\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u6587\u4ef6\u64cd\u4f5c\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f \u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6587\u7ae0\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 PHP \u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f \u786e\u5b9a\u6587\u4ef6\u5927\u5c0f\u5bf9\u4e8e\u6587\u4ef6\u7ba1\u7406\u548c\u5b58\u50a8\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u8f7b\u677e\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1a \u5b9e\u6218\u6848\u4f8b \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a myfile.txt \u7684\u6587\u4ef6\u3002\u8981\u83b7\u53d6\u5176\u5927\u5c0f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 filesize() \u51fd\u6570\uff1a &lt;?php $fileSize = filesize(&#8216;myfile.txt&#8217;); echo &#8220;File size in bytes: $fileSize bytes&#8221;; ?&gt; \u8f93\u51fa\uff1a File size in bytes: 12345 bytes \u51fd\u6570\u8bf4\u660e filesize(): \u6b64\u51fd\u6570\u5c06\u6587\u4ef6\u5927\u5c0f\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u8fd4\u56de\u3002\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u65e0\u6cd5\u8bbf\u95ee\uff0c\u5219\u8fd4\u56de FALSE\u3002 \u5176\u4ed6\u9009\u9879 \u9664\u4e86 filesize() \u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u51fd\u6570\u53ef\u7528\u4e8e\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1a fstat()\uff1a\u5141\u8bb8\u60a8\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u548c\u5176\u4ed6\u6587\u4ef6\u7edf\u8ba1\u4fe1\u606f\u3002 getimagesize()\uff1a\u7528\u4e8e\u68c0\u7d22\u56fe\u50cf\u6587\u4ef6\u7684\u5927\u5c0f\u548c\u5176\u4ed6\u4fe1\u606f\u3002 glob()\uff1a\u7528\u4e8e\u67e5\u627e\u6587\u4ef6\u5927\u5c0f\u548c\u5176\u4ed6\u6587\u4ef6\u4fe1\u606f\u3002 \u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u548c\u7ba1\u7406\u6587\u4ef6\u5927\u5c0f\uff0c\u4ece\u800c\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u3002 \u4eca\u5929\u5173\u4e8e\u300aphp\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u6587\u4ef6\u64cd\u4f5c\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/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-48175","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48175","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=48175"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48175\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}