Functional Programming example in PHP - 1

php-functional-programming-example-1.php

// Functional Programming example in PHP
<?php
function myFoo($foo){
  return function ($bar) use ($foo){
    return "Foo is ${foo} and Bar is ${bar}";
  };
}

//first call set $foo = 'Asd'
$myBarAsd = myFoo('Asd');

//second call sets $bar = '123'
$result_123 = $myBarAsd('123');
//second call sets $bar = '456'
$result_456 = $myBarAsd('456');

//use the return function without passing the data again (and it should be noted, you
//can't set the data again)
var_dump($result_123);
//string(25) "Foo is Asd and Bar is 123"
var_dump($result_456);
//string(25) "Foo is Asd and Bar is 456"