mb_substitute_character()
mb_substitute_character - Set/Get substitution character
Syntax
mixed mb_substitute_character ()
Arguments
-
Description
Specifies a substitution character when input character encoding is invalid or character code does not exist in output character encoding. Invalid characters may be substituted NULL (no output), string or integer value (Unicode character code value).
Version
PHP 4.0.6, 5
Return value
If substchar is set, it returns TRUE for success, otherwise returns FALSE. If substchar is not set, it returns the Unicode value, or " none" or " long".