mb_strwidth() returns width of string
str.
Multi-byte character usually twice of width compare to single
byte character.
Table 180. 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 |
encoding is character encoding. If it is
omitted, internal encoding is used.
See also: mb_strimwidth(),
mb_internal_encoding().