3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(filter_var(0, FILTER_VALIDATE_INT)); var_dump(echo filter_var(1, FILTER_VALIDATE_INT));
Output for 5.4.0 - 5.4.24
Parse error: syntax error, unexpected 'echo' (T_ECHO), expecting ')' in /in/M8Ycj on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ECHO, expecting ')' in /in/M8Ycj on line 7
Process exited with code 255.
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180.6 ms | 1395 KiB | 61 Q