3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = false; var_dump(!empty($foo) === (isset($foo) && $foo > 0)); $foo = 0; var_dump(!empty($foo) === (isset($foo) && $foo > 0)); $foo = -1; var_dump(!empty($foo) === (isset($foo) && $foo > 0)); $foo = 1; var_dump(!empty($foo) === (isset($foo) && $foo > 0)); $foo = "0"; var_dump(!empty($foo) === (isset($foo) && $foo > 0)); $foo = array(); var_dump(!empty($foo) === (isset($foo) && $foo > 0)); $foo = null; var_dump(!empty($foo) === (isset($foo) && $foo > 0));
Output for 4.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
bool(true) bool(true) bool(false) bool(true) bool(true) bool(false) bool(true)
Output for hhvm-3.10.0

Process exited with code 153.