Online PHP editor | refs for K7oBB

@ 2015-04-27T10:33:22Z

<?php

    /*function add($a, $b){
       return $a + $b;
    }
    
    echo add(2,3);
    
    function subtract ($a, $b){
        return $a - $b;
    }
    
    echo subtract(5,4);
    
    function concatenate($a, $b){
        return $a . $b;
    }
    echo concatenate('Hello', 'Wie');*/
    
    $arr = ['test', 'test2'];
    
    print_r($arr[0]);