PHP array_walk() Function

What is array_walk() Function?

Explanation

The "array_walk()" function apply a user function to every member of an array.

Syntax:


array_walk(array,function,parameter...)

In the above syntax each member of the "array" is applied to the user defined "function", and also can have parameters.

Example :


<?php
function funct1($value,$key)
{
echo "The key $key has the value $value <br/>";
}
$b=array("1"=>"Cherry","2"=>"Apple");
array_walk($b,"funct1");
?>
Result :

The key 1 has the value Cherry
The key 2 has the value Apple

In the above example all the elements of the array "$b" is applied in the function "funct1" to display the result.

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