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<?php $var = 'string'; var_dump($var['ola']); $var = 'string'; if (isset($var) && ! is_string($var)) { var_dump($var['ola']); } else { var_dump($var); }
Output for 8.0.0 - 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/eLpBW:3 Stack trace: #0 {main} thrown in /in/eLpBW on line 3
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 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal string offset 'ola' in /in/eLpBW on line 3 string(1) "s" string(6) "string"
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
string(1) "s" string(6) "string"

preferences:
174.45 ms | 402 KiB | 314 Q