3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(-0.0); var_dump(+(float)"-0"); var_export(1.0); var_export(INF);
Output for 7.0.3 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
float(-0) float(-0) 1.0INF
Output for 7.0.2
float(-0) float(-0) 1.0INF.0
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.1
float(0) float(0) 1INF
preferences:
155.14 ms | 402 KiB | 182 Q