- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
function a($pattern, $subject, &$matches = null)
{
return preg_match($patter, $subject, $matches);
}
$r = a('~[a|b]+~', 'aaaa', $matches);
var_dump($r, $matches);
$r = a('~[a|b]+~', 'aaaa');
var_dump($r);