- print_r: documentation ( source)
<?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($arr[0]);
function addToArray($arr2){
$arr2 = [];
$arr2[] = 'test';
print_r($arr2);
}