each() function in PHP

The each() function returns the current key and value pair from an array.

Note − This function has been deprecated as of PHP 7.2.0 and should be avoided.

Syntax

each(arr)

Parameters

• arr − The specified array

Return

The each() function returns the current element key and value. This is returned in an array with four elements −

• Two elements (1 and value) for the element value, and

• Two elements (0 and key) for the element key.

Example

The following is an example −

<?php
$prod = array("Electronics", "Footwear", "Toys");
print_r (each($prod));
?>

Output

Array (
   [1] => Electronics
   [value] => Electronics
   [0] => 0
   [key] => 0
)