3v4l.org

run code in 300+ PHP versions simultaneously
<?php if ('a' == 'a' == 'a') echo 'ok';
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.6
Parse error: syntax error, unexpected '==' (T_IS_EQUAL) in /in/SjdNp on line 3
Process exited with code 255.

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170.06 ms | 1387 KiB | 35 Q