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run code in 150+ php & hhvm versions
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<?php $match[1] = preg_replace('/(?<=^|[\x09\x20\x2D])./e', 'strtoupper("\0")', "Test Test1")
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected end of file in /in/uKDfE on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected $end in /in/uKDfE on line 3
Process exited with code 255.