Online PHP editor | refs for FGaCQ

<?php /** * Check if variable is an associative array. * * @param array|mixed $var * @return bool */ $b=array('id'=>1,'user'=>1); function is_associative_array($var): bool { if (!is_array($var)) { return false; } $keys = array_keys($var); return ($keys !== array_keys($keys)); } var_dump(is_associative_array($b));