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@ 2014-07-22T10:23:36Z

<?php
//+ Jonas Raoni Soares Silva
//@ http://jsfromhell.com

class String{
	public static function truncate($s, $l, $e = '...', $isHTML = false){
		$i = 0;
		$tags = array();
		if($isHTML){
			preg_match_all('/<[^>]+>([^<]*)/', $s, $m, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
			foreach($m as $o){
				if($o[0][1] - $i >= $l)
					break;
				$t = substr(strtok($o[0][0], " \t\n\r\0\x0B>"), 1);
				if($t[0] != '/')
					$tags[] = $t;
				elseif(end($tags) == substr($t, 1))
					array_pop($tags);
				$i += $o[1][1] - $o[0][1];
			}
		}
		return substr($s, 0, $l = min(strlen($s),  $l + $i)) . (count($tags = array_reverse($tags)) ? '</' . implode('></', $tags) . '>' : '') . (strlen($s) > $l ? $e : '');
	}
}


echo String::truncate('jo<i><b>n</b>as</i>', 3, '&hellip;'); //jo<...
echo "<hr>";
echo String::truncate('jo<i><b>n</b>as</i>', 3, '&hellip;', true); //jo<i><b>n</b></i>...
echo "<hr>";
echo String::truncate('jo<i><b>n</b>as</i>', 3, '&hellip;', true, false); //jo<i><b>n...

Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28: jo<…<hr>jo<i><b>n</b></i>…<hr>jo<i><b>n</b></i>…
Output for 5.1.0: Fatal error: fatal flex scanner internal error--end of buffer missed in /in/05N38 on line 31
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/05N38 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/05N38 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/05N38 on line 6
Process exited with code 255.

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