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<?php var_dump( mb_check_encoding( '//u', '', "\xf4\x8f\xbf\xbf" ) );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught ArgumentCountError: mb_check_encoding() expects at most 2 arguments, 3 given in /in/sQct8:3 Stack trace: #0 /in/sQct8(3): mb_check_encoding('//u', '', '\xF4\x8F\xBF\xBF') #1 {main} thrown in /in/sQct8 on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: mb_check_encoding() expects at most 2 parameters, 3 given in /in/sQct8 on line 3 NULL
Output for 4.4.3 - 4.4.9, 5.1.3 - 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 - 5.6.25
Warning: mb_check_encoding() expects at most 2 parameters, 3 given in /in/sQct8 on line 3 bool(false)
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/sQct8 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.2
Fatal error: Call to undefined function: mb_check_encoding() in /in/sQct8 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_check_encoding() in /in/sQct8 on line 3

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