3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2012-05-23T13:46:43Z

<?php
$array = [0, 1, 2];
while (each($array)) {
    var_dump(key($array));
}

reset($array);
echo "----\n";

foreach ($array as $elem) {
    var_dump(key($array));
}

reset($array);
echo "----\n";

$array2 = &$array;
foreach ($array2 as $elem) {
    var_dump(key($array));
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
reset: documentation ( source)
key: documentation ( source)

preferences:dark modelive preview

42.46 ms | 402 KiB | 5 Q