mb_substitute_character
mb_substitute_character
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
mb_substitute_character — Set/Get substitution character
Description
mixed mb_substitute_character ([ mixed $substrchar = mb_substitute_character() ] )
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).
This setting affects mb_convert_encoding(), mb_convert_variables(), mb_output_handler(), and mb_send_mail().
Parameters
Return Values
If substchar is set, it returns TRUE for success, otherwise returns FALSE. If substchar is not set, it returns the current setting.
Examples
Example #1 mb_substitute_character() example
<?php
/* 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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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.mb-substitute-character.php
