3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(base64_decode("\0YW55dGhpbmc=", true)); var_dump(base64_decode("YW55dGhpbmc=\0", true)); var_dump(base64_decode("YW55\0dGhpbmc=", true));
Output for 7.0.10 - 7.0.33, 7.1.0 - 7.1.30, 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 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
bool(false) bool(false) bool(false)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.9
string(0) "" string(8) "anything" string(3) "any"
preferences:
40.44 ms | 2055 KiB | 4 Q