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mb_check_encoding

mb_check_encoding

(PHP 4 >= 4.4.3, PHP 5 >= 5.1.3)

mb_check_encodingCheck if the string is valid for the specified encoding

说明

bool mb_check_encoding ([ string $var = NULL [, string $encoding = mb_internal_encoding() ]] )

Checks if the specified byte stream is valid for the specified encoding. It is useful to prevent so-called "Invalid Encoding Attack".

参数

var

The byte stream to check. If it is omitted, this function checks all the input from the beginning of the request.

encoding

The expected encoding.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE.


  • mb_check_encoding
  • 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_eregi
  • mb_eregi_replace
  • mb_ereg_match
  • mb_ereg_replace
  • 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_get_info
  • mb_http_input
  • mb_http_output
  • mb_internal_encoding
  • mb_language
  • mb_list_encodings
  • mb_output_handler
  • mb_parse_str
  • mb_preferred_mime_name
  • 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
  • mb_substr_count
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