3v4l.org

run code in 300+ PHP versions simultaneously
<?php function _bin16dec($bin) { $num = intval($bin,2); if (0x8000 & $num) { $num = - (0x010000 - $num); } return $num; } $b = "1111111111111010"; echo _bin16dec($b);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 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
-6

preferences:
124.66 ms | 404 KiB | 194 Q