those individual bytes were then being mis-interpreted and decoded to Unicode codepoints U+00E2 U+20AC U+2122 by one of the Windows-125X
This only forces the client which encoding to use to interpret and display the characters. But the actual problem is that you're already
В любом случае, начните с онлайн-декодера, чтобы понять с какими кодировками есть смысл работать.
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That is the recommended way when building PHP projects from scratch. While it would probably fix the problem the OP shows, fixing the problem at its root (if possible) is much preferable.
вдобавок вот что я думаю, такие тексты могут расшифровать Профессор Чудинов В. А. также его последователи или ученики.
Áÿëè, áó ñóàë ëàð, áÿëêÿ äÿ éöçäÿ ñÿêñÿíèíè äöøöíäöðìöð. Àììà ÿêñÿð èí ñàíëàðûí âàõòàøûðû þçëÿðèíÿ öíâàíëàäûüû ìèíëÿðëÿ ñóàëëàðäàí áèð íå÷ÿñè äÿ ìÿùç áåëÿäèð. Ìÿí äÿ ñàäÿëþâù êÿíä óøàüû îëäóüóìäàí ÿñë øÿðèí íÿ îëäó üóíó áèëìÿçäèì.
Вся дальнейшая творение полноте проходить в текстовом редакторе.
It is far more likely that you have a Charlie in content creation than that the web server configuration is wrong. You can also force your web browser to twingle the page by selecting windows-1252 encoding for a utf-8 document. Your web browser cannot detwingle the document that Charlie saved.
Unicode numeric identifiers, like ASCII, are regularly displayed in hexadecimal format for a more concise writing.
Tool to translate Unicode codes. Unicode is a character encoding standard aiming to give every character a numeric identifier.
Вот те самые символы: Êëþ÷ óæå âøèò â õîä óñòàíîâêè, òî åñòü ïðîãðàììà ñðàçó ïîñëå óñòàíîâêè çàðåãåñòðèðîâàííà.
In DBeaver (or other editors) the script file you're working can prompt to save as UTF8 and that will change Ïàìÿíèêè íà ìîãèëó âîåííûì â Ìîñêâå the char:
Время по вине времени приходится сталкиваться с текстом в непонятной кодировке, типа такого: