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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( preg_match("\x01^((?:(.)\1{2,}))\\z\x01u#", 'xaaax') ); var_dump( preg_match('"x01^((?:(.)\2{2,}))\\z\x01u#", 'xaaax') );
based on ZN3Wj
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected 'xaaax' (T_STRING), expecting ',' or ')' in /in/LZSQI on line 5
Process exited with code 255.
Output for 5.4.12 - 5.6.17
Parse error: syntax error, unexpected 'xaaax' (T_STRING) in /in/LZSQI on line 5
Process exited with code 255.
Output for 5.3.22 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/LZSQI on line 5
Process exited with code 255.