php man page for mb_substr

MB_SUBSTR(3)								 1							      MB_SUBSTR(3)

mb_substr - Get part of string

SYNOPSIS
       string mb_substr (string  $str, int  $start, [int  $length = NULL], [string  $encoding = mb_internal_encoding()])

DESCRIPTION
	Performs  a multi-byte safe substr(3) operation based on number of characters. Position is counted from the beginning of $str. First char-
       acter's position is 0. Second character position is 1, and so on.

PARAMETERS
	      o $str
		- The string to extract the substring from.

	      o $start
		- Position of first character to use from $str.

	      o $length
		- Maximum number of characters to use from $str. If omitted or NULL is passed, extract all characters to the end of the string.

	      o $encoding
		-The $encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used.

RETURN VALUES
       mb_substr(3) returns the portion of $str specified by the $start and $length parameters.

SEE ALSO
       mb_strcut(3), mb_internal_encoding(3).

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