xValorCharacter ou ArrayRequired
Parameter used by the function. Check the Portuguese source page for the detailed original wording while this entry remains under review.
FUNCTIONUnder review
Len
Len( <xValor> )Returns the length of a string or the number of elements in an array.
Overview
Returns the length of a string or the number of elements in an array. This page was created from the historical training material and structured for quick reference, with practical notes and cautious use in current Protheus environments.
Syntax
Len( <xValor> )Parameters
Text and array size
User Function ExLen()
Local cName := "Customer"
Local aItems := {"A", "B", "C"}
MsgInfo("Text: " + CValToChar(Len(cName)))
MsgInfo("Items: " + CValToChar(Len(aItems)))
ReturnExpected result
Len(cName) returns the text length and Len(aItems) returns the number of array elements.
- Use Len(aArray) ao percorrer arrays.
- Para strings de campos fixos, combine com AllTrim() quando quiser ignorar espaços laterais.
- This entry is under review because it was structured from historical training material.
- Confirm behavior in the Protheus/AppServer release used in your environment.
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