please
$meta_query = array( 'relation' => 'AND', array( 'key' => 'post_title', 'value' => '?', 'compare' => 'LIKE', ), array( 'key' => 'userPassword', 'value' => '?', 'compare' => 'LIKE', ), );
$meta_query = array( 'relation' => 'AND', array( 'key' => 'post_title', 'value' => '?', 'compare' => 'LIKE', ), array( 'key' => 'userPassword', 'value' => '?', 'compare' => 'LIKE', ), );