Online PHP editor | refs for bNBOA

@ 2017-07-20T11:29:38Z

<?php

$array = [1,2];

foreach($array as &$a) {
    if ($a == 1) {
        $array[] = 3;
    }
    echo $a . "\n";
}

print_r($array);

echo "----------\n";

foreach($array as $a) {
    echo $a . "\n";
}