Filter testimonials_widget_posts_custom_column example

testimonials_widget_posts_custom_column.php

add_filter( 'testimonials_widget_posts_custom_column', array( &$this, 'posts_custom_column' ), 10, 3 );
public function posts_custom_column( $result, $column, $post_id ) {
	switch ( $column ) {
		case 'testimonials-widget-read-more-link':
			$url = get_post_meta( $post_id, $column, true );
			if ( ! empty( $url ) && 0 === preg_match( '#https?://#', $url ) ) {
				$url = 'http://' . $url;
	}

	$result = make_clickable( $url );
	break;
	}

	return $result;
}