Please note that the __toString() method is just an alias, as pointed out above, and that THAT method may return an array instead of a string. So in effect you might call a __toString() and expect a string, but instead receive an array.(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::__toString — Returns the current line as a string
This method will return the current line as a string.
Diese Funktion besitzt keine Parameter.
Returns the current line as a string.
| Version | Beschreibung | 
|---|---|
| 8.1.14, 8.2.1 | Changed from an alias of SplFileObject::fgets()
        to an implementation of SplFileObject::current()
        which returns a CSV string when the SplFileObject::READ_CSVflag is set. | 
| 7.2.19, 7.3.6 | Changed from an alias of SplFileObject::current() to an alias of SplFileObject::fgets(). | 
