3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = "[spoiler] \n \nTst. \n \nTestt. \n \nTEstst \n \nTESTST \nESTET \n \n[/spoiler]"; $text = preg_replace_callback("(\[spoiler\](.*?)\[\/spoiler\])is", function($match){ $lines = explode("\n", str_rot13($match[1])); foreach ($lines as &$line) { if (!empty($line)) $line = "[spoiler]".$line."[/spoiler]"; } unset($line); $output = implode("\n",$lines); return $output; }, $text ); echo $text; ?>
Output for 5.3.0 - 7.1.0
[spoiler] [/spoiler] [spoiler] [/spoiler] [spoiler]Gfg. [/spoiler] [spoiler] [/spoiler] [spoiler]Grfgg. [/spoiler] [spoiler] [/spoiler] [spoiler]GRfgfg [/spoiler] [spoiler] [/spoiler] [spoiler]GRFGFG [/spoiler] [spoiler]RFGRG [/spoiler] [spoiler] [/spoiler]
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/6fkLt on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/6fkLt on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6fkLt on line 6
Process exited with code 255.