array_keys Tutorials

array_keys

Syntax:array array_keys ( array $input [, mixed $search_value = NULL [, bool $strict = false ]] ) Description:Return all the keys or a subset of the keys of an array <?php $array = array(0 => 100, "color" => "red"); print_r(array_keys($array)); ?> OUTPUT Array ( [0] => 0 [1] => color )... Read More »