paamayim

<?php

/**
 * Checks that required variables exist within a scope(array or object)
 * If any required variable is not present, an exception is thrown.
 * Also allows an input of default variables, which are set if not set beforehand
 *
 * Example usage:
 * function foo($args){
 *     expect($args, ['a', 'b', 'c']); // throws error