PHP

066 - Array_Map, same as arry walk but can works with multiple arrays

Array
(
    [0] => 1
    [1] => 4
    [2] => 9
    [3] => 16
    [4] => 25
)

066_a - Array Map with two arrays

Array
(
    [0] => 1 for lemon
    [1] => 2 for orange
    [2] => 3 for banana
    [3] => 4 for apple
    [4] => 5 for guava
)

066_b - Array Map , Return Mutlidimensional array

Array
(
    [0] => Array
        (
            [1] => lemon
        )

    [1] => Array
        (
            [2] => orange
        )

    [2] => Array
        (
            [3] => banana
        )

    [3] => Array
        (
            [4] => apple
        )

    [4] => Array
        (
            [5] => guava
        )

)

066_c - Array Map , Passing no function

Array
(
    [0] => Array
        (
            [0] => 1
            [1] => lemon
        )

    [1] => Array
        (
            [0] => 2
            [1] => orange
        )

    [2] => Array
        (
            [0] => 3
            [1] => banana
        )

    [3] => Array
        (
            [0] => 4
            [1] => apple
        )

    [4] => Array
        (
            [0] => 5
            [1] => guava
        )

)

066_d - Array Map , Using Associative Array

Array
(
    [one] => APPLE
    [two] => BANANA
    [three] => ORANGE
)

<?php
   // 066 - Array_Map, same as arry walk but can works with multiple arrays
   echo "</br><span class='myheading'>066 - Array_Map, same as arry walk but can works with multiple arrays</span></br>";
      
   function square($n){
     return $n * $n;
   }
   $a = [1, 2, 3, 4, 5];
   $newArray = array_map('square', $a);
   echo "<pre>";
   print_r($newArray);
   echo "</pre>";

   // 066_a - Array Map with two arrays
   echo "</br><span class='myheading'>066_a - Array Map with two arrays</span></br>";
      
   function square1($n ,$m){
     return "$n for $m";
   }
   $b = ['lemon', 'orange', 'banana', 'apple', 'guava'];
   $newArray1 = array_map('square1', $a, $b);
   echo "<pre>";
   print_r($newArray1);
   echo "</pre>";

   // 066_b - Array Map , Return Mutlidimensional array
   echo "</br><span class='myheading'>066_b - Array Map , Return Mutlidimensional array</span></br>";

   function square2($n ,$m){
     return [$n => $m];
   }
   $newArray2 = array_map('square2', $a, $b);
   echo "<pre>";
   print_r($newArray2);
   echo "</pre>";

   // 066_c - Array Map , Passing no function
   echo "</br><span class='myheading'>066_c - Array Map , Passing no function</span></br>";

   $newArray3 = array_map(null, $a, $b);
   echo "<pre>";
   print_r($newArray3);
   echo "</pre>";

   // 066_d - Array Map , Using Associative Array
   echo "</br><span class='myheading'>066_d - Array Map , Using Associative Array</span></br>";

   function square3($n){
     return strtoupper($n);
   }
   $a1 = array("one" => "Apple", "two" => "Banana", "three" => "Orange");
   $newArray4 = array_map("square3", $a1);
   echo "<pre>";
   print_r($newArray4);
   echo "</pre>";
?>