3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hi = 'ryat'; $hi = $hi + $i; var_dump($hi);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $i in /in/VSkTs on line 5 Fatal error: Uncaught TypeError: Unsupported operand types: string + null in /in/VSkTs:5 Stack trace: #0 {main} thrown in /in/VSkTs on line 5
Process exited with code 255.
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: Undefined variable: i in /in/VSkTs on line 5 Warning: A non-numeric value encountered in /in/VSkTs on line 5 int(0)
Output for 7.3.32 - 7.3.33
Warning: A non-numeric value encountered in /in/VSkTs on line 5 int(0)
Output for 5.0.4 - 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
Notice: Undefined variable: i in /in/VSkTs on line 5 int(0)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: i in /in/VSkTs on line 5 int(0)

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272.13 ms | 402 KiB | 355 Q