(PHP 4 >= 4.0.6)
mb_substitute_character -- Set/Get substitution character
Description
mixed mb_substitute_character ([mixed substrchar])
mb_substitute_character() specifies substitution character when input character
encoding is invalid or character code is not exist in output character encoding. Invalid characters
may be substituted NULL(no output), string or integer value (Unicode character code
value).
This setting affects
mb_detect_encoding() and
mb_send_mail().
substchar : Specify Unicode value as integer or specify as string as
follows
Return Value: If substchar is set, it returns TRUE for
success, otherwise returns FALSE. If substchar is not set, it
returns Unicode value or "none"/"long".
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Example 1. mb_substitute_character() example
/* Set with Unicode U+3013 (GETA MARK) */
mb_substitute_character(0x3013);
/* Set hex format */
mb_substitute_character("long");
/* Display current setting */
echo mb_substitute_character();
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