PHP Programing language

array_map() Function in PHP
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array_map()

The array_map() function sends each value of an array to a user-made function, and returns an array with new values, given by the user-made function.

Syntax:
array_map(myfunction,array1,array2,array3...)

In above syntax,"myfunction" specifies the name of the user-made function, or null, "array1" specifies an array, "array2" specifies another array and "array3" specifies another array.

Example:

<?php
function myfunction($num)
{
   return($num+$num);
}

$a = array(1,2,3,4,5);
print_r(array_map("myfunction",$a));
?>

Output:

Array ( [0] => 2 [1] => 4 [2] => 6 [3] => 8 [4] => 10 )

 

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