3v4l.org

run code in 300+ PHP versions simultaneously
<?php strrev(strtolower('aA'))
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.15
Parse error: syntax error, unexpected end of file in /in/fstiT on line 3
Process exited with code 255.
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166.17 ms | 1395 KiB | 22 Q