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__toString

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 ImmVector, which is "ImmVector"

public function __toString(): string;

Returns​

  • string - The string "ImmVector".

Examples​

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

$v = Vector {1, 2, 3};
echo $v->__toString()."\n";

$v2 = Vector {'a', 'b', 'c'};
echo $v2->__toString()."\n";

$v3 = Vector {};
echo $v3->__toString()."\n";