array_keys() function is used to retrieve all the keys from an array.
<?php
$array = array("a" => "apple", "b" => "banana", "c" => "cherry");
$keys = array_keys($array);
print_r($keys);
?>Output:
Array ( [0] => a [1] => b [2] => c )
array_keys() function is used to retrieve all the keys from an array.
<?php
$array = array("a" => "apple", "b" => "banana", "c" => "cherry");
$keys = array_keys($array);
print_r($keys);
?>Output:
Array ( [0] => a [1] => b [2] => c )