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<?php $input = ''; var_dump( $input ); var_dump( iconv(mb_detect_encoding($input, mb_detect_order(), true), "UTF-8", $input) );
based on KUMb9
Output for 5.3.18 - 5.5.34, 5.6.8 - 5.6.20, 5.6.28 - 7.0.5, 7.0.20 - 7.2.0
string(4) "" string(4) ""
Output for 7.0.6
string(4) "" Fatal error: Uncaught Error: Call to undefined function iconv() in /in/Hquo5:6 Stack trace: #0 {main} thrown in /in/Hquo5 on line 6
Process exited with code 255.
Output for 5.5.35, 5.6.21
string(4) "" Fatal error: Call to undefined function iconv() in /in/Hquo5 on line 6
Process exited with code 255.