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<?php $test = "Hi Mr ["; var_dump($test); var_dump(mb_convert_encoding($test, 'UTF-7', 'UTF-8')); var_dump(mb_convert_encoding($test, 'UCS-2', 'UTF-8')); var_dump(mb_detect_encoding($test, ['UTF-7'])); var_dump(mb_detect_encoding($test));
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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(7) "Hi Mr [" string(11) "Hi Mr +AFs-" string(14) "Hi Mr [" string(5) "UTF-7" string(5) "ASCII"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/s2X0g on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/s2X0g on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/s2X0g on line 8
Process exited with code 255.

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