3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 123456789; var_dump($a[8]); $b = '123456789'; var_dump($b[8]);
Output for 8.3.0 - 8.3.4
Warning: Trying to access array offset on int in /in/eQtVj on line 3 NULL string(1) "9"
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17
Warning: Trying to access array offset on value of type int in /in/eQtVj on line 3 NULL string(1) "9"
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type int in /in/eQtVj on line 3 NULL string(1) "9"
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
NULL string(1) "9"

preferences:
252.7 ms | 404 KiB | 380 Q