IsNullOrEmpty()

OutputVar := MfString.IsNullOrEmpty(str)

IsNullOrEmpty(str)

Gets if MfString instance or var is null or empty

Parameters

str

the MfString instance or var it check to see if it is null or empty

Returns

Returns true if str is null or empty; Otherwise false

Remarks

Static Function
This method is not affected by the ReturnAsObject and always returns a var.

Related

MfNull.Isnull()

Example

a := ""
b := 0
c := "0"
d := MfNull.Null
e := MfString.Empty
f := new MfString("Hello World")
g := new MfString()
h := Null ; superglobal null
i := "abc"
result := MfString.IsNullOrEmpty(a) ; result is true
result := MfString.IsNullOrEmpty(b) ; result is false
result := MfString.IsNullOrEmpty(c) ; result is false
result := MfString.IsNullOrEmpty(d) ; result is true
result := MfString.IsNullOrEmpty(e) ; result is true
result := MfString.IsNullOrEmpty(f) ; result is false
result := MfString.IsNullOrEmpty(g) ; result is true
result := MfString.IsNullOrEmpty(h) ; result is true
result := MfString.IsNullOrEmpty(i) ; result is false