Add Custom Condition 'Longest Length' to Cost Types

betrs-add-longest-length-cost-type.php

/**
 * Add the longest length to Cost types in Table Rate shipping
 * Longest Length is a custom condition added in tutorial:
 * https://www.bolderelements.net/support/knowledgebase/adding-new-condition/
 *
 * Code should be added to theme's functions.php file
 */

function betrs_modify_cost_every( $cost_units_every ) {
    // add new condition's value
    $cost_units_every['longest_length'] = __( 'Longest Length', 'be-table-ship' );

    return $cost_units_every;
}
add_action( 'betrs_shipping_cost_units_every', 'betrs_modify_cost_every', 10, 1 );

function betrs_modify_cost_multiplied( $cost_units_multi ) {
    // add new condition's value
    $cost_units_multi['longest_length'] = __( 'Longest Length', 'be-table-ship' );

    return $cost_units_multi;
}
add_action( 'betrs_shipping_cost_units_multiplied', 'betrs_modify_cost_multiplied', 10, 1 );