each() function in PHP

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

Note− As of PHP 7.2.0, this function is deprecated and should be avoided.

Syntax

each(arr)

Parameters

• arr- The specified array

Return value

each() function returns the key and value of the current element. This will be returned as an array with four elements, including:

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

• Two elements (0 and key) are used for element keys.

Example

The following is an example -

Demonstration

Output

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

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