3v4l.org

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<?php echo preg_replace('/[^a-z]/', '', strtolower('von reichhausen d'alfonso');
Output for 5.4.0 - 5.4.15
Parse error: syntax error, unexpected 'alfonso' (T_STRING) in /in/0c6Z2 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.25
Parse error: syntax error, unexpected T_STRING in /in/0c6Z2 on line 2
Process exited with code 255.
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