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PHP : Function Reference : Multibyte String Functions : mb_substitute_character

mb_substitute_character

Set/Get substitution character (PHP 4 >= 4.0.6, PHP 5)
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_convert_encoding(), mb_convert_variables(), mb_output_handler(), and mb_send_mail().

substchar : Specify Unicode value as integer or specify as string as follows

  • "none" : no output
  • "long" : Output character code value (Example: U+3000,JIS+7E7E)

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".

Example 1408. 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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mb_convert_case
mb_convert_encoding
mb_convert_kana
mb_convert_variables
mb_decode_mimeheader
mb_decode_numericentity
mb_detect_encoding
mb_detect_order
mb_encode_mimeheader
mb_encode_numericentity
mb_ereg_match
mb_ereg_replace
mb_ereg_search_getpos
mb_ereg_search_getregs
mb_ereg_search_init
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mb_ereg_search_regs
mb_ereg_search_setpos
mb_ereg_search
mb_ereg
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mb_get_info
mb_http_input
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mb_internal_encoding
mb_language
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mb_regex_encoding
mb_regex_set_options
mb_send_mail
mb_split
mb_strcut
mb_strimwidth
mb_stripos
mb_stristr
mb_strlen
mb_strpos
mb_strrchr
mb_strrichr
mb_strripos
mb_strrpos
mb_strstr
mb_strtolower
mb_strtoupper
mb_strwidth
mb_substitute_character
mb_substr_count
mb_substr
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