Ds\Sequence::contains
(PECL ds >= 1.0.0)
Ds\Sequence::contains — Determines if the sequence contains given values
説明
abstract public Ds\Sequence::contains
( mixed ...$values
) : bool
Determines if the sequence contains all values.
パラメータ
values- Values to check.
返り値
false if any of the provided values are not in the
sequence, true otherwise.
例
例1 Ds\Sequence::contains() example
<?php$sequence = new \Ds\Vector(['a', 'b', 'c', 1, 2, 3]);var_dump($sequence->contains('a')); // truevar_dump($sequence->contains('a', 'b')); // truevar_dump($sequence->contains('c', 'd')); // falsevar_dump($sequence->contains(...['c', 'b', 'a'])); // true// Always strictvar_dump($sequence->contains(1)); // truevar_dump($sequence->contains('1')); // falsevar_dump($sequece->contains(...[])); // true?>
上の例の出力は、 たとえば以下のようになります。
bool(true) bool(true) bool(false) bool(true) bool(true) bool(false) bool(true)
