3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 42; var_dump( isset($foo['coin']), $foo['coin'] );
Output for 8.3.0 - 8.3.6
Warning: Trying to access array offset on int in /in/Lh2Lp on line 7 bool(false) NULL
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Trying to access array offset on value of type int in /in/Lh2Lp on line 7 bool(false) NULL
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Trying to access array offset on value of type int in /in/Lh2Lp on line 7 bool(false) NULL
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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.26
bool(false) NULL
preferences:
249.77 ms | 404 KiB | 311 Q