(PHP 8 >= 8.4.0)
mb_rtrim — Strip whitespace (or other characters) from the end of a string
Performs a multi-byte safe rtrim() operation,
and returns a string with whitespace (or other characters) stripped from the
end of string
.
Without the second parameter, rtrim() will strip these characters:
" "
(ASCII 32 (0x20)), an ordinary space.
"\t"
(ASCII 9 (0x09)), a tab.
"\n"
(ASCII 10 (0x0A)), a new line (line feed).
"\r"
(ASCII 13 (0x0D)), a carriage return.
"\0"
(ASCII 0 (0x00)), the NUL-byte.
"\v"
(ASCII 11 (0x0B)), a vertical tab.
string
characters
characters
parameter.
Simply list all characters that need to be stripped.
With ..
it is possible to specify an incrementing range of characters.
encoding
Returns the modified string.