array_key_exists

ShawnMcCool/phansi

Supported Versions: PHP 4 >= 4.0.7, PHP 5, PHP 7, PHP 8

Checks if the given key or index exists in the array

Alias key_exists

        <?php array_key_exists(string|int|float|bool|resource|null $key, array $array): bool
    

<?php     public function offsetExists($offset): bool

    {

        return array_key_exists($offset, $this->items);

    }