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<?php
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function scriptEncode($m)
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{
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$m[2] = urlencode($m[2]);
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return '<script'.$m[1].'>'.$m[2].'</script>';
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}
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function scriptSecure($m)
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{
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$m[2] = str_replace(
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array('<', '>'),
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array('%inf%', '%sup%'),
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$m[2]
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);
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return '<script'.$m[1].'>'.$m[2].'</script>';
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}
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function scriptUnSecure($m)
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{
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$m[2] = str_replace(
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array('%inf%', '%sup%'),
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array('<', '>'),
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$m[2]
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);
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return '<script'.$m[1].'>'.$m[2].'</script>';
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}
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function scriptDecode($m)
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{
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return '<script'.$m[1].'>'.urldecode($m[2]).'</script>';
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}
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function styleEncode($m)
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{
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$m[2] = urlencode($m[2]);
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return '<style'.$m[1].'>'.$m[2].'</style>';
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}
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function styleSecure($m)
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{
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$m[2] = str_replace(
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array('<', '>'),
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array('%inf%', '%sup%'),
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$m[2]
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);
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return '<style'.$m[1].'>'.$m[2].'</style>';
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}
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function styleUnSecure($m)
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{
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$m[2] = str_replace(
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array('%inf%', '%sup%'),
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array('<', '>'),
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$m[2]
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);
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return '<style'.$m[1].'>'.$m[2].'</style>';
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}
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function styleDecode($m)
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{
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return '<style'.$m[1].'>'.urldecode($m[2]).'</style>';
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}
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function phpEncode($m)
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{
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$m[1] = urlencode($m[1]);
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return '<?php'.$m[1].'?>';
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}
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function phpSecure($m)
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{
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$m[1] = str_replace(
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array('<', '>'),
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array('%inf%', '%sup%'),
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$m[1]
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);
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return '<?php'.$m[1].'?>';
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}
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function phpUnSecure($m)
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{
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$m[1] = str_replace(
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array('%inf%', '%sup%'),
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array('<', '>'),
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$m[1]
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);
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return '<?php'.$m[1].'?>';
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}
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function phpDecode($m)
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{
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return '<?php'.urldecode($m[1]).'?>';
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}
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function minimize($m)
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{
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if (isset($m[2], $m[3])) {
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return '<'.$m[1].$m[2].$m[3].'>'.trim($m[4]).'</'.$m[1].'>';
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}
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return '<'.$m[1].'>'.trim($m[2]).'</'.$m[1].'>';
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}
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function indent($str)
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{
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$lines = preg_replace_callback('`<script([^>]*)>(.*)</script>`isU', 'scriptEncode', $str);
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$lines = preg_replace_callback('`<style([^>]*)>(.*)</style>`isU', 'styleEncode', $lines);
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$lines = preg_replace_callback('`<\?php(.*)\?>`isU', 'phpEncode', $lines);
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$lines = explode("\n", $lines);
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foreach ($lines as $k=>$line) {
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$lines[$k] = trim($line);
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if (empty($lines[$k])) {
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unset($lines[$k]);
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}
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}
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$html = implode("\n", $lines);
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$html = preg_replace_callback('`<script([^>]*)>(.*)</script>`isU', 'scriptDecode', $html);
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$html = preg_replace_callback('`<style([^>]*)>(.*)</style>`isU', 'styleDecode', $html);
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$html = preg_replace_callback('`<\?php(.*)\?>`isU', 'phpDecode', $html);
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$html = preg_replace_callback('`<script([^>]*)>(.*)</script>`isU', 'scriptSecure', $html);
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$html = preg_replace_callback('`<style([^>]*)>(.*)</style>`isU', 'styleSecure', $html);
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$html = preg_replace_callback('`<\?php(.*)\?>`isU', 'phpSecure', $html);
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$html = str_replace("\r", '', $html);
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//$html = preg_replace_callback('`<script([^>]*)>(.*)</script>`isU', 'scriptB', $html);
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$strlen = strlen($html);
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$newhtml = '';
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$tabnum = -1;
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$auto_closed = false;
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for ($u=0; $u<$strlen; $u++) {
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$balise = false;
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if ($html[$u] == '<') {
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if ($html[$u+1] == '/') {
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$newhtml.= "\n".str_repeat("\t", max(0, $tabnum--));
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} elseif ($html[$u+1] != '!') {
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$newhtml.= "\n".str_repeat("\t", ++$tabnum);
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} elseif ($html[$u+1] == '!') {
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$newhtml.= "\n".str_repeat("\t", $tabnum+1);
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}
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$balise = true;
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if(
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(isset($html[$u+1], $html[$u+2], $html[$u+3]) && strtolower($html[$u+1].$html[$u+2].$html[$u+3]) == 'img')
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(isset($html[$u+1], $html[$u+2], $html[$u+3], $html[$u+4], $html[$u+5]) && strtolower($html[$u+1].$html[$u+2].$html[$u+3].$html[$u+4].$html[$u+5]) == 'input')
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(isset($html[$u+1], $html[$u+2], $html[$u+3], $html[$u+4]) && strtolower($html[$u+1].$html[$u+2].$html[$u+3].$html[$u+4]) == 'link')
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(isset($html[$u+1], $html[$u+2], $html[$u+3], $html[$u+4]) && strtolower($html[$u+1].$html[$u+2].$html[$u+3].$html[$u+4]) == 'meta')
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(isset($html[$u+1], $html[$u+2]) && strtolower($html[$u+1].$html[$u+2]) == 'hr')
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(isset($html[$u+1], $html[$u+2]) && strtolower($html[$u+1].$html[$u+2]) == 'br')
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) {
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--$tabnum;
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$auto_closed = true;
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}
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}
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if (isset($html[$u-1]) && $html[$u-1] == "\n" && !$balise) {
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$newhtml.= str_repeat("\t", $tabnum+1);
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}
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$newhtml.= $html[$u];
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if ($html[$u] == '>' && $html[$u-2].$html[$u-1] != '--') {
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if ($html[$u-1] == '/' && !$auto_closed) {
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$tabnum--;
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}
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$newhtml.= "\n".str_repeat("\t", max(0, $tabnum+1));
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}
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}
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$newhtml = preg_replace_callback('`<script([^>]*)>(.*)</script>`isU', 'scriptUnSecure', $newhtml);
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$newhtml = preg_replace_callback('`<style([^>]*)>(.*)</style>`isU', 'styleUnSecure', $newhtml);
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$newhtml = preg_replace_callback('`<\?php(.*)\?>`isU', 'phpUnSecure', $newhtml);
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$newhtml = explode("\n", $newhtml);
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foreach ($newhtml as $k=>$line) {
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if (trim($line) == '') {
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unset($newhtml[$k]);
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}
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}
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$newhtml = implode("\n", $newhtml);
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$newhtml = preg_replace("\n{2,}", "\n", $newhtml);
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$newhtml = preg_replace_callback('`<([^>]+)>([^<]+)</\1>`isU', 'minimize', $newhtml);
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$newhtml = preg_replace_callback('`<([^\s]+)(\s+)([^>]+)>([^<]+)</\1>`isU', 'minimize', $newhtml);
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return utf8_decode($newhtml);
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}
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