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<?php $str = 'bar'; $str[2] = ''; var_dump($str); $str = 'bar'; $str[2] = 'あ'; var_dump($str);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14, 8.4.1
Fatal error: Uncaught Error: Cannot assign an empty string to a string offset in /in/O0nEM:4 Stack trace: #0 {main} thrown in /in/O0nEM 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: Cannot assign an empty string to a string offset in /in/O0nEM on line 4 string(3) "bar" string(3) "ba�"
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
string(3) "ba" string(3) "ba�"

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71.38 ms | 410 KiB | 5 Q