3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_replace(/(<centername>)/, "testing", " this is a test but it is <centername> not working"));
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '/', expecting ')' in /in/eCU8X on line 2
Process exited with code 255.
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162.87 ms | 1395 KiB | 60 Q