SAP Function STRING_LENGTH - (Onsolete) Calculate the length of a string

Parameter	Reference	Type	Length	Default	Optional	Text
STRING			0			String

Parameter	Reference	Type	Length	Text
LENGTH			0	Length of the string

Functionality
This function module calculates the number of characters in a string.Leading blanks are also counted, trailing blanks are not.
Examples
' a b ' has length 4.
Sample call:
DATA: LEN TYPE I.
CALL FUNCTION 'STRING_LENGTH'
EXPORTING STRING = ' abcdefg '
IMPORTING LENGTH = LEN.
Note
The ABAP/4 keyword COMPUTE ... = STRLEN(...) provides the samefunctionality as the function module. Please refer to the ABAP/4documentation for COMPUTE.
The ABAP/4 language element provides better performance than thefunction module call.
The call was retained to ensure compatibility with future releases.
String length: The number of characters up to the last character
String whose length is to be calculated.