php判断远程文件是否存在
//判断远程文件是否存在
function remote_file_exists($url) {
$executeTime = ini_get('max_execution_time');
ini_set('max_execution_time', 0);
$headers = @get_headers($url);
ini_set('max_execution_time', $executeTime);
if ($headers) {
$head = explode(' ', $headers[0]);
if ( !empty($head[1]) && intval($head[1]) < 400) return true;
}
return false;
}?
神奇的iteye,居然有两个empty,无语了.
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