Ds\Vector::shift
(PECL ds >= 1.0.0)
Ds\Vector::shift — Removes and returns the first value
Description
public Ds\Vector::shift ( ) : mixed
Removes and returns the first value.
Parameters
This function has no parameters.
Return Values
The first value, which was removed.
Errors/Exceptions
UnderflowException if empty.
Examples
Example #1 Ds\Vector::shift() example
<?php $vector = new \Ds\Vector(["a", "b", "c"]); var_dump($vector->shift()); var_dump($vector->shift()); var_dump($vector->shift()); ?>
The above example will output something similar to:
string(1) "a" string(1) "b" string(1) "c"
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https://www.php.net/manual/en/ds-vector.shift.php