(PECL ds >= 1.0.0)
Ds\Deque::contains — Determines if the deque contains given values
Determines if the deque contains all values.
values
Values to check.
false
if any of the provided values
are not in the
deque, true
otherwise.
Example #1 Ds\Deque::contains() example
<?php$deque = new \Ds\Deque(['a', 'b', 'c', 1, 2, 3]);var_dump($deque->contains('a')); // truevar_dump($deque->contains('a', 'b')); // truevar_dump($deque->contains('c', 'd')); // falsevar_dump($deque->contains(...['c', 'b', 'a'])); // true// Always strictvar_dump($deque->contains(1)); // truevar_dump($deque->contains('1')); // falsevar_dump($sequece->contains(...[])); // true?>
The above example will output something similar to:
bool(true) bool(true) bool(false) bool(true) bool(true) bool(false) bool(true)