Online PHP editor | refs for RkpRh

@ 2015-12-04T05:52:50Z

<?php
function getArray($temp) {
    
    return $temp;
    //return [1, 2, 3];
}

function squareArray(array &$a) {
    foreach ($a as &$v) {
        $v *= 2;
    }
}

$temp = [1, 2, 3];
// Generates a warning in PHP 7.
$tempA = getArray($temp);
print_r(squareArray((getArray($temp))));