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<?php $arr = ''; $arr['a'] = 'test'; var_dump($arr);
Output for 8.0.7 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/Kuj6l:4 Stack trace: #0 {main} thrown in /in/Kuj6l on line 4
Process exited with code 255.
Output for 8.0.0 - 8.0.6
Warning: Only the first byte will be assigned to the string offset in /in/Kuj6l on line 4 Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/Kuj6l:4 Stack trace: #0 {main} thrown in /in/Kuj6l on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal string offset 'a' in /in/Kuj6l on line 4 string(1) "t"
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
array(1) { ["a"]=> string(4) "test" }

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