Meta Script Test
$meta_query = array( 'relation' => 'OR', array( 'key' => 'header_script', 'compare' => 'EXISTS', 'type' => 'CHAR', ), array( 'key' => 'body_script', 'compare' => 'EXISTS', 'type' => 'CHAR', ), );
$meta_query = array( 'relation' => 'OR', array( 'key' => 'header_script', 'compare' => 'EXISTS', 'type' => 'CHAR', ), array( 'key' => 'body_script', 'compare' => 'EXISTS', 'type' => 'CHAR', ), );