php is_assoc_array

Posted 2021-05-04

<?php

if (!function_exists('is_assoc_array')) {

    /**
     * Determine if the array provided is associative
     * Return true if array provided is associative / return false for non-associative
     * @param  (array) $array
     * @return (boolean)
     */
    function is_assoc_array(array $array)
    {
        $keys = array_keys($array);
        return array_keys($keys) !== $keys;
    }
}