3v4l.org

run code in 300+ PHP versions simultaneously
<?php $incoming = "0;--delete from users"; $real = "1"; $incoming = $incoming + 1; var_dump($incoming); var_dump($real); var_dump($incoming == $real);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: A non-numeric value encountered in /in/UQDv4 on line 4 int(1) string(1) "1" bool(true)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: A non well formed numeric value encountered in /in/UQDv4 on line 4 int(1) string(1) "1" bool(true)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.3.32 - 7.3.33
int(1) string(1) "1" bool(true)
preferences:
196.83 ms | 404 KiB | 357 Q