__toString

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Returns the string version of the current Pair, which is "Pair"

public function __toString(): string;

Returns

• string - The string "Pair".

Examples

The string version of a Pair is always "Pair":

$p = Pair {-1, 5};
echo $p->__toString()."\n";

$p2 = Pair {'foo', 'bar'};
echo $p2->__toString()."\n";