闲者博客 - 获取
https://bk1314.com/tag/%E8%8E%B7%E5%8F%96/
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PHP获取当前页面URL
https://bk1314.com/39.html
2022-02-25T18:51:51+08:00
function curPageURL() {
$pageURL = 'http';
if (!empty($_SERVER['HTTPS'])) {$pageURL .= "s";}
$pageURL .= "://";
if ($_SERVER["SERVER_PORT"] != "80") {
$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
} else {
$pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
}
return $pageURL;
}
echo curPageURL();
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PHP获取文件扩展名（后缀）
https://bk1314.com/37.html
2022-02-25T18:49:56+08:00
function getExtension($filename){
$myext = substr($filename, strrpos($filename, '.'));
return str_replace('.','',$myext);
}
$filename = '我的文档.doc';
echo getExtension($filename);
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PHP获取文件大小并格式化
https://bk1314.com/36.html
2022-02-25T18:48:25+08:00
function formatSize($size) {
$sizes = array(" Bytes", " KB", " MB", " GB", " TB", " PB", " EB", " ZB", " YB");
if ($size == 0) {
return('n/a');
} else {
return (round($size/pow(1024, ($i = floor(log($size, 1024)))), 2) . $sizes[$i]);
}
}
$thefile = filesize('test_file.mp3');
echo formatSize($thefile);