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phpday 2025 - Call For Papers
Getting Started
Introduction
A simple tutorial
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Introduction
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PHP Manual
Function Reference
Human Language and Character Encoding Support
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Multibyte String
Introduction
Installing/Configuring
Installation
Runtime Configuration
Predefined Constants
Summaries of supported encodings
Basics of Japanese multi-byte encodings
HTTP Input and Output
Supported Character Encodings
Function Overloading Feature
PHP Character Encoding Requirements
Multibyte String Functions
mb_check_encoding
— Check if strings are valid for the specified encoding
mb_chr
— Return character by Unicode code point value
mb_convert_case
— Perform case folding on a string
mb_convert_encoding
— Convert a string from one character encoding to another
mb_convert_kana
— Convert "kana" one from another ("zen-kaku", "han-kaku" and more)
mb_convert_variables
— Convert character code in variable(s)
mb_decode_mimeheader
— Decode string in MIME header field
mb_decode_numericentity
— Decode HTML numeric string reference to character
mb_detect_encoding
— Detect character encoding
mb_detect_order
— Set/Get character encoding detection order
mb_encode_mimeheader
— Encode string for MIME header
mb_encode_numericentity
— Encode character to HTML numeric string reference
mb_encoding_aliases
— Get aliases of a known encoding type
mb_ereg
— Regular expression match with multibyte support
mb_ereg_match
— Regular expression match for multibyte string
mb_ereg_replace
— Replace regular expression with multibyte support
mb_ereg_replace_callback
— Perform a regular expression search and replace with multibyte support using a callback
mb_ereg_search
— Multibyte regular expression match for predefined multibyte string
mb_ereg_search_getpos
— Returns start point for next regular expression match
mb_ereg_search_getregs
— Retrieve the result from the last multibyte regular expression match
mb_ereg_search_init
— Setup string and regular expression for a multibyte regular expression match
mb_ereg_search_pos
— Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string
mb_ereg_search_regs
— Returns the matched part of a multibyte regular expression
mb_ereg_search_setpos
— Set start point of next regular expression match
mb_eregi
— Regular expression match ignoring case with multibyte support
mb_eregi_replace
— Replace regular expression with multibyte support ignoring case
mb_get_info
— Get internal settings of mbstring
mb_http_input
— Detect HTTP input character encoding
mb_http_output
— Set/Get HTTP output character encoding
mb_internal_encoding
— Set/Get internal character encoding
mb_language
— Set/Get current language
mb_lcfirst
— Make a string's first character lowercase
mb_list_encodings
— Returns an array of all supported encodings
mb_ltrim
— Strip whitespace (or other characters) from the beginning of a string
mb_ord
— Get Unicode code point of character
mb_output_handler
— Callback function converts character encoding in output buffer
mb_parse_str
— Parse GET/POST/COOKIE data and set global variable
mb_preferred_mime_name
— Get MIME charset string
mb_regex_encoding
— Set/Get character encoding for multibyte regex
mb_regex_set_options
— Set/Get the default options for mbregex functions
mb_rtrim
— Strip whitespace (or other characters) from the end of a string
mb_scrub
— Replace ill-formed byte sequences with the substitute character
mb_send_mail
— Send encoded mail
mb_split
— Split multibyte string using regular expression
mb_str_pad
— Pad a multibyte string to a certain length with another multibyte string
mb_str_split
— Given a multibyte string, return an array of its characters
mb_strcut
— Get part of string
mb_strimwidth
— Get truncated string with specified width
mb_stripos
— Finds position of first occurrence of a string within another, case insensitive
mb_stristr
— Finds first occurrence of a string within another, case insensitive
mb_strlen
— Get string length
mb_strpos
— Find position of first occurrence of string in a string
mb_strrchr
— Finds the last occurrence of a character in a string within another
mb_strrichr
— Finds the last occurrence of a character in a string within another, case insensitive
mb_strripos
— Finds position of last occurrence of a string within another, case insensitive
mb_strrpos
— Find position of last occurrence of a string in a string
mb_strstr
— Finds first occurrence of a string within another
mb_strtolower
— Make a string lowercase
mb_strtoupper
— Make a string uppercase
mb_strwidth
— Return width of string
mb_substitute_character
— Set/Get substitution character
mb_substr
— Get part of string
mb_substr_count
— Count the number of substring occurrences
mb_trim
— Strip whitespace (or other characters) from the beginning and end of a string
mb_ucfirst
— Make a string's first character uppercase
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