array map php

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1The 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.
2
3Tip: You can assign one array to the function, or as many as you like.
4
5Syntax
6array_map(functionname, array1, array2, array3, ...)
7  
8Example
9Send each value of an array to a function, multiply each value by itself, and return an array with the new values:
10
11<?php
12function myfunction($val)
13{
14  return($val*$val);
15}
16
17$a=array(1,2,3,4,5);
18print_r(array_map("myfunction",$a));
19?>

1$test_array = array("first_key" => "first_value", 
2                "second_key" => "second_value");
3
4var_dump(array_map_(function($key, $value){
5    return $key . " loves " . $value;
6}, $arr));
7

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