[PHP]取得遠端檔案資訊

PHP取得遠端檔案資訊，以下是一簡單範例及說明：
PHP程式碼

//取得遠端檔案資訊
function remote_file_info($url){
    $ch = curl_init($url);
    curl_setopt( $ch, CURLOPT_NOBODY, true );
    curl_setopt( $ch, CURLOPT_HEADER, false );
    curl_setopt( $ch, CURLOPT_RETURNTRANSFER, false );
    curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true );
    curl_setopt( $ch, CURLOPT_MAXREDIRS, 3 );
    curl_exec( $ch );
    
    $headerInfo = curl_getinfo( $ch );
    curl_close( $ch );
    
    return $headerInfo;
}