======substr====== WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0 Return part of a string ====Description==== string substr ( string $input, int $start [, int $length ] ) This function returns a substring of a string as specified by the start and length parameters ====Parameters==== $input: The input string. Must be one character or longer. $start: The starting position in the input string for the returned substring, counting from zero. $length: Optional limit to the number of characters returned. If not specified the function will return all of the characters from start until the end of the input string. ====Note==== Wattmon uPHP does not support negative start or length parameters as in mainline PHP. ====Return Values==== String: Substring extracted from the input string. This can be an empty string if the length of the input string is less than or equal to start, or if length = 0 is specified. ====Examples====

====See Also==== [[charat()]] - Return the ASCII code for a character in a string at an index [[strlen()]] - Return the length of a string [[strpos()]] - Return the position of the first occurrence of a needle in a haystack [[strrpos()]] - Return the position of the last occurrence of a needle in a haystack [[strtolower()]] - Return the lowercase version of a string [[strtoupper()]] - Return the UPPERCASE version of a string [[ucfirst()]] - Convert a string to lowercase except for the first character