3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(is_numeric("1e3445")); var_dump(is_numeric("1e344d5"));
based on 5kb5a
Output for 5.2.1 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
bool(true) bool(false)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.0
bool(false) bool(false)