3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = ''; var_dump($foo['bar']);
Output for 8.0.9 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/6hhJ5:4 Stack trace: #0 {main} thrown in /in/6hhJ5 on line 4
Process exited with code 255.
Output for 8.0.0 - 8.0.8
Warning: Uninitialized string offset 0 in /in/6hhJ5 on line 4 Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/6hhJ5:4 Stack trace: #0 {main} thrown in /in/6hhJ5 on line 4
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Warning: Illegal string offset 'bar' in /in/6hhJ5 on line 4 Notice: Uninitialized string offset: 0 in /in/6hhJ5 on line 4 string(0) ""
Output for 7.3.32 - 7.3.33
Warning: Illegal string offset 'bar' in /in/6hhJ5 on line 4 string(0) ""
Output for 5.2.10 - 5.2.17, 5.3.0 - 5.3.29
Notice: Uninitialized string offset: 0 in /in/6hhJ5 on line 4 string(0) ""
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 - 5.2.9
Notice: Uninitialized string offset: 0 in /in/6hhJ5 on line 4 string(0) ""

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