Reduce length of Woocommerce product title

edm-reduce-product-title-length.php

<?php 

/**
 *	Reduce length of Woocommerce product title
 *
 *	@param  string 	$title   product title
 *	@param  int 	$id  	 product id
 *	@return string           modified product title
 *
 *	Hook ref: https://codex.wordpress.org/Plugin_API/Filter_Reference/the_title
 *	Snippet ref: https://firstsiteguide.com/wordpress-titles/
 **/

function edm_reduce_product_title_length( $title, $id ) {
	$prod = get_post_type( $id );
	//Determines maximum length of title. Edit value accordingly
	$max_length = 20;
	
	//Reduce title length if current post type is a 'product' and if its title length is longer than $max_length
	if ( $prod === 'product' && strlen( $title ) > $max_length ) {
		return substr($title, 0, $max_length) . "&hellip;";
	}
  
	return $title;
  
}

add_filter( 'the_title', 'edm_reduce_product_title_length', 10, 2 );

?>