3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(-(float)"+0"); var_dump(+(float)"-0");
Output for 7.0.2 - 7.0.33, 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
float(-0) float(-0)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.1
float(0) float(0)

preferences:
217.52 ms | 402 KiB | 289 Q