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<?php $invalid_utf8="\xF5\x80\x80\x80PHP"; $should_be_valid_utf8=iconv("UTF-8","UTF-8//IGNORE",$invalid_utf8); var_dump($should_be_valid_utf8,bin2hex($should_be_valid_utf8),mb_check_encoding($should_be_valid_utf8));
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
string(7) "����PHP" string(14) "f5808080504850" bool(false)
Output for 7.3.32, 7.4.26, 8.0.13
Fatal error: Uncaught Error: Call to undefined function iconv() in /in/1b4G8:3 Stack trace: #0 {main} thrown in /in/1b4G8 on line 3
Process exited with code 255.
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.5.0 - 5.5.38
string(7) "����PHP" string(14) "f5808080504850" bool(true)
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function iconv() in /in/1b4G8 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
Fatal error: Call to undefined function mb_check_encoding() in /in/1b4G8 on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: iconv() in /in/1b4G8 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: iconv() in /in/1b4G8 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: iconv() in /in/1b4G8 on line 3

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