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<?php $utf8 = 'Main ürtürmlicher weißer UTF-8-String mit öbszönen Grüßen!'; function transliterateUpper($in) { $save_locale = setlocale(LC_CTYPE, 'de_DE'); $out = mb_strtoupper( iconv('UTF-8', 'ASCII//TRANSLIT', $in) ); setlocale(LC_CTYPE, $save_locale); return $out; } var_dump(transliterateUpper($utf8));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(65) "MAIN UERTUERMLICHER WEISSER UTF-8-STRING MIT OEBSZOENEN GRUESSEN!"
Output for 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Fatal error: Uncaught Error: Call to undefined function iconv() in /in/Z27u3:10 Stack trace: #0 /in/Z27u3(18): transliterateUpper('Main \xC3\xBCrt\xC3\xBCrmli...') #1 {main} thrown in /in/Z27u3 on line 10
Process exited with code 255.

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