3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '31.8'; $b = '49.9'; $c = '129.4'; $total = '211.1'; bcscale(2); $subtotal = bcadd($a, $b); $subtotal = bcadd($subtotal, $c); var_dump(bcsub($total, $subtotal));
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.32, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(4) "0.00"
Output for 7.4.33
Fatal error: Uncaught Error: Call to undefined function bcscale() in /in/inKVo:9 Stack trace: #0 {main} thrown in /in/inKVo on line 9
Process exited with code 255.

preferences:
193.31 ms | 401 KiB | 221 Q