function stripDebug($xml, &$stripped = '')
{
$tags = array('strong', 'pre');
$tags_elems = array();
foreach ($tags as $tag) {
$tags_elems[$tag] = array('start' => '<(?<' . $tag . '_start>' . $tag . ')[^>]*?>', 'end' => '<\\/(?<' . $tag . '_end>' . $tag . ')>');
}
$reg = '/' . implode('|', set::flatten($tags_elems)) . '/sim';
$stack = 0;
$offset = 0;
$start = 0;
while (preg_match($reg, $xml, $matches, PREG_OFFSET_CAPTURE, $offset)) {
$matche = $this->qualifyMatch($matches);
if ($matche['elem'] == 'start') {
if ($stack == 0) {
$start = $matche['pos'];
}
$stack++;
} else {
$stack--;
if ($stack == 0) {
$end = $matche['pos'] + strlen($matche['string']);
$stripped .= substr($xml, $start, $end - $start);
$xml = substr($xml, 0, $start) . substr($xml, $end);
$offset -= $end - $start;
continue;
}
}
$offset = $matche['pos'] + strlen($matche['string']);
}
return $xml;
}
