refactoring

<?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));

    }

}

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<?php

namespace App\Validation;

class DateValidation

{

    public static function validate(string $date): bool

    {

        if (strtotime($date)) {

            return true;

        }

        return false;

    }

}

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