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<?php $test = 'BEGIN:VCARD VERSION:2.1 N;ENCODING=QUOTED-PRINTABLE:Iksi=F1ski;Piotr FN;ENCODING=QUOTED-PRINTABLE:Piotr Iksi=F1ski EMAIL;PREF;INTERNET:piotr.iksinski@somedomain.com X-GENDER:Male REV:20080716T203548Z END:VCARD '; echo mb_detect_encoding($test, ['UTF-8', 'UTF-16']);
Output for git.master, git.master_jit, rfc.property-hooks
UTF-8

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