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<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; $orignalValue = $value; mb_substitute_character('entity'); $value = mb_convert_encoding($value, 'UTF-8'); if (mb_strlen($value, 'UTF-8') < mb_strlen($orignalValue) || preg_match('|[^\x09\x0A\x0D\x20-\xD77F\xE000-\xFFFD]|e', $value)) { // value not ISO-8859-15 or UTF8 $value = base64_encode($orignalValue); } var_dump(mb_detect_order(), $value);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/jPgQt on line 11 array(2) { [0]=> string(5) "ASCII" [1]=> string(5) "UTF-8" } string(5) "g?eld"

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