HH\Pair::get
Returns the value at the specified key in the current Pair
public function get(
int $key,
): mixed;
If the key is not present, null
is returned. If you would rather have an
exception thrown when a key is not present, then use at()
.
Parameters
int $key
- the key from which to retrieve the value.
Returns
mixed
- The value at the specified key; ornull
if the key does not exist.
Examples
$p = Pair {'foo', -1.5};
// Print the first value
\var_dump($p->get(0));
// Print the second value
\var_dump($p->get(1));
// Print NULL since index 2 doesn't exist in a Pair
\var_dump($p->get(2));