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How does PHP know the encoding of the .php-files it interprets?
I mean the .php-files could be encoded in e.g. UTF-8 or CP 1252. And this would affect e.g. string literals.
Is there one setting in the php.ini? Or does PHP try to determine the encoding automatically (e.g. assume CP 1252 if no valid UTF-8 …)?
Thanks for your explanation!
PHP source code makes no assumption about the source encoding. Everything is treated as binary. This means that if your editor saves a file as CP-1252 (I sure hope not), the strings you echo are also CP-1252.