3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = '100000000000000.00000000000000001'; $float = (float) $test; $string = (string) $float; var_dump($test); var_dump($float); var_dump($string);
Output for 8.0.1 - 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
string(33) "100000000000000.00000000000000001" float(100000000000000) string(7) "1.0E+14"

preferences:
89.64 ms | 1117 KiB | 4 Q