3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = "1.23e+4"; var_dump(is_numeric($time)); var_dump((float)$time); var_dump((int)$time);
Output for 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(true) float(12300) int(12300)
preferences:
57.92 ms | 406 KiB | 5 Q