mb_strwidth

Returns the width of string str.

Multi-byte characters are usually twice the width of single byte characters.

Characters width

Chars	Width
U+0000 - U+0019	0
U+0020 - U+1FFF	1
U+2000 - U+FF60	2
U+FF61 - U+FF9F	1
U+FFA0 -	2

The string being decoded.

The encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used.

The width of string str.

mb_strimwidth() -

mb_internal_encoding() -