How to use array map in PHP
In this article, I will explain how the array_map() function can be used in PHP.
array_map() function in PHP
-
The array_map() function sends each value of an array to a user-made function, and returns an array with new values, applied by the user-define function.
-
The array_map() function returns an array containing all the elements of array1 after applying the callback function.
Syntax
| array_map(function,array1,array2,array3....) |
Parameter
-
function function is required parameter. The function defined by user.
-
array1 array1 is required parameter. specifies an array to run through the user defined function.
-
array2 array2 is optional parameter. specifies an array to run through the user defined function.
-
array3 array3 is optional parameter. specifies an array to run through the user defined function.
Example
The following example show to how the array_map() function can be used in PHP.
|
<html>
<body>
<h3 style="color: darkviolet;">array_map() function example in PHP</h3>
<?php
function cube($n)
{
return($n * $n * $n);
}
$i = array(1, 2, 3, 4, 5);
$j = array_map("cube", $i);
print_r($j);
?>
</body>
</html>
|
Output
You may also want to read these related articles here
Ask Your Question
Got a programming related question? You may want to post your question here