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<?php $chars = "\xE4"; setlocale(LC_CTYPE, "de_DE", "de", "german", "ge", "de_DE.ISO8859-1", "ISO8859-1"); print_r($chars); print_r(strtoupper($chars)); echo strcasecmp($chars, strtoupper($chars))."\n";
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.6, 7.4.0, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
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Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
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preferences:
254.65 ms | 403 KiB | 354 Q