<?php namespace App\Validation; class ArrayValidation { public static function validateFunc1(array $array): bool { $prices = array_column($array, 'price'); $counts = array_column($array, 'count'); return ctype_digit(implode('',$prices)) && ctype_digit(implode('', $counts)); } public static function validateFunc2(array $array): bool { $ids = array_column($array, 'id'); $ages = array_column($array, 'age'); return ctype_digit(implode('', $ids)) && ctype_digit(implode('', $ages)); } public static function validateFunc4(array $array): bool { $depths = array_column($array, 'depth'); return ctype_digit(implode('', $depths)); } }