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run code in 200+ php & hhvm versions
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<?php var_dump(preg_match("/(X)+/", str_repeat('X', 1024) 'X', $matches)); var_dump(preg_match("/(X)+/", str_repeat('X', 1024), $matches));
based on QEl7P
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected ''X'' (T_CONSTANT_ENCAPSED_STRING), expecting ',' or ')' in /in/O4B38 on line 3
Process exited with code 255.
Output for 5.4.12 - 5.6.17
Parse error: syntax error, unexpected ''X'' (T_CONSTANT_ENCAPSED_STRING) in /in/O4B38 on line 3
Process exited with code 255.
Output for 5.3.22 - 5.3.29
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/O4B38 on line 3
Process exited with code 255.