mb_check_encoding
Description
The mb_check_encoding of Multibyte String for PHP check if strings are valid for the specified encoding.
Syntax
mb_check_encoding( array|string|null $value = null, ?string $encoding = null ): bool
Parameters
value
The byte stream or array to check. If it is omitted, this function checks all the input from the beginning of the request.
WARNING: As of PHP 8.1.0, omitting this parameter or passing null is deprecated.
encoding
The expected encoding.
Return
Returns true on success or false on failure.
Examples
1 · void
<? $return = mb_check_encoding(); var_export($return); ?>
true
2 · value · array
<? $value = [0, 1]; $return = mb_check_encoding($value); var_export($return); ?>
true
3 · value · string
<? $value = 'string'; $return = mb_check_encoding($value); var_export($return); ?>
true
4 · value · null
<? $value = null; $return = mb_check_encoding($value); var_export($return); ?>
true
5 · encoding
<? $value = 'string'; $encoding = 'UTF-8'; $return = mb_check_encoding($value, $encoding); var_export($return); ?>
true
Links
Multibyte String
- mb_chr
- 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_encoding_aliases
- mb_ereg
- mb_ereg_match
- mb_ereg_replace
- mb_ereg_replace_callback
- mb_ereg_search
- mb_ereg_search_getpos
- mb_ereg_search_getregs
- mb_ereg_search_init
- mb_ereg_search_pos
- mb_ereg_search_regs
- mb_ereg_search_setpos
- mb_eregi
- mb_eregi_replace
- mb_get_info
- mb_http_input
- mb_http_output
- mb_internal_encoding
- mb_language
- mb_list_encodings
- mb_ord
- mb_output_handler
- mb_parse_str
- mb_preferred_mime_name
- mb_regex_encoding
- mb_regex_set_options
- mb_scrub
- mb_send_mail
- mb_split
- mb_str_pad
- mb_str_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
- mb_substr_count