3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = null; var_dump( $test>''); $test = ''; var_dump( $test>''); $test = 0; var_dump( $test>''); $test = 1; var_dump( $test>'');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
bool(false) bool(false) bool(true) bool(true)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(false) bool(false) bool(false) bool(true)
preferences:
145.56 ms | 402 KiB | 181 Q