Did you mean foreach $line (@lines) {...}?
You can do something very similar in PHP using version 4's new foreach construct, which is used like this:
<?php
foreach ($lines as $line) {
}
?>
Where $lines is an array. Or, you can do this:
<?php
foreach ($lines as $index=>$key) {
}
?>
This is particularly useful when dealing with string-indexed arrays (aka associative arrays, aka hashes).
-Keegan