3v4l.org

run code in 300+ PHP versions simultaneously
<?php $number = -1.15E-15; var_dump($number); var_dump(number_format($number, 2));
Output for 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
float(-1.15E-15) string(4) "0.00"
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
float(-1.15E-15) string(5) "-0.00"

preferences:
93.69 ms | 1944 KiB | 4 Q