The Stringable interfaceStringable
&reftitle.intro;
The Stringable interface denotes a class as
having a __toString() method. Unlike most interfaces,
Stringable is implicitly present on any class that
has the magic __toString() method defined, although it
can and should be declared explicitly.
Its primary value is to allow functions to type check against the union
type string|Stringable to accept either a string primitive
or an object that can be cast to a string.
&reftitle.interfacesynopsis;
Stringable&Methods;Stringable ExamplesBasic Stringable UsageThis uses constructor property promotion.
oct1.$this->oct2.$this->oct3.$this->oct4";
}
}
function showStuff(string|Stringable $value) {
// For a Stringable, this will implicitliy call __toString().
print $value;
}
$ip = new IPv4Address('123', '234', '42', '9');
showStuff($ip);
?>
]]>
&example.outputs.similar;
&language.predefined.stringable.tostring;