protected static function split_on_bbcodes($text, $allowed = 0, $allow_html = false)
{
global $bb_codes;
# Split all bbcodes.
$text_parts = BBCode::split_bbcodes($text);
# Merge all bbcodes and do special actions depending on the type of code.
$text = '';
while ($part = array_shift($text_parts)) {
if ($part['code'] == 'php') {
# [PHP]
$text .= $allowed ? BBCode::decode_php($part['text']) : nl2br(htmlspecialchars($part['text']));
} elseif ($part['code'] == 'code') {
# [CODE]
if (!$allowed && false !== strpos($part['text'], '<')) {
$part['text'] = nl2br(htmlspecialchars($part['text']));
}
$text .= $allowed ? BBCode::decode_code($part['text']) : $part['text'];
} elseif ($part['code'] == 'quote') {
# [QUOTE] and [QUOTE=""]
if ($part['text'][6] == ']') {
$text .= $bb_codes['quote'] . BBCode::split_on_bbcodes(substr($part['text'], 7, -8), $allowed, $allow_html) . $bb_codes['quote_close'];
} else {
$part['text'] = preg_replace('/\\[quote=["]*(.*?)["]*\\]/si', $bb_codes['quote_name'], BBCode::split_on_bbcodes(substr($part['text'], 0, -8), $allowed, $allow_html), 1);
$text .= $part['text'] . $bb_codes['quote_close'];
}
} elseif ($part['subc']) {
$tmptext = '[' . BBCode::split_on_bbcodes(substr($part['text'], 1, -1)) . ']';
$text .= $part['code'] == 'list' ? BBCode::decode_list($tmptext) : $tmptext;
unset($tmptext);
} else {
if ($allow_html) {
$tmptext = false === strpos($part['text'], '<') ? nl2br($part['text']) : $part['text'];
} else {
$tmptext = nl2br(BBCode::encode_html($part['text']));
}
$text .= $part['code'] == 'list' ? BBCode::decode_list($tmptext) : $tmptext;
unset($tmptext);
}
}
return $text;
}