3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = base_convert(-65, 10, 2); echo $x;
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /in/WMlIC on line 2 1000001
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
1000001

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207.47 ms | 402 KiB | 326 Q