voeurnchy

var price = self.custom_value2();
if(!price){
    price = self.cost();
    self.custom_value2(price);
}

voeurnchy

<?php

// add into AppServiceProvider::register()
Validator::extend('imageable', function ($attribute, $value, $params, $validator) {
    try {
        ImageManagerStatic::make($value);
        return true;
    } catch (\Exception $e) {
        return false;
    }

voeurnchy

<?php
     /**
     * Explode with multiple delimiters
     * @param  array  $delimiters 
     * @param  string $string
     * @return array
     */
    function explodeX(array $delimiters, string $string )
    {
        return  explode( chr( 1 ), str_replace( $delimiters, chr( 1 ), $string ) );