Add a line break in Woocommerce Product Titles

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2020 revision – Still works on WordPress 5.5.1 with WooCommerce 4.4.1

Using this custom function hooked in the_title filter hook will do the job (replacing a pipe character | by a <br> in product titles):

add_filter( 'the_title', 'custom_product_title', 10, 2 );
function custom_product_title( $title, $post_id ){
    $post_type = get_post_field( 'post_type', $post_id, true ); 

    if( in_array( $post_type, array( 'product', 'product_variation') ) ) {
        $title = str_replace( '|', '<br/>', $title ); // we replace "|" by "<br>"
    }
    return $title;
}

Code goes in function.php file of your active child theme (or theme) or also in any plugin file.

Code is tested on Woocommerce 3+ and works.

Now you can target different product pages with the WC conditionals tags as is_product(), is_shop(), is_product_category() or is_product_tag() (and many others)…

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