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<?php echo preg_replace(array('/#{(\S*)$/', '/#{(\S*)( (\S*))?}/', array('<?=$1?>', '<?=$1($3)?>'), "#{abc }");
Output for 5.3.0 - 5.3.25, 5.4.0 - 5.4.15
Parse error: syntax error, unexpected ';' in /in/YX1g4 on line 2
Process exited with code 255.

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