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<?php function inc($matches) { return ++$matches[1]; } $input = preg_replace_callback( "|(\d+)|", "inc", 'JPRSS1010110'); echo $input
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/rZEh2 on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/rZEh2 on line 7
Process exited with code 255.

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