Ds\Deque::find

(PECL ds >= 1.0.0)

Ds\Deque::find — Attempts to find a value's index

説明

public Ds\Deque::find(mixed $value): mixed

Returns the index of the value, or false if not found.

パラメータ

value: The value to find.

戻り値

The index of the value, or false if not found.

注意:
Values will be compared by value and by type.

例

例1 Ds\Deque::find() example

<?php
$deque = new \Ds\Deque(["a", 1, true]);

var_dump($deque->find("a")); // 0
var_dump($deque->find("b")); // false
var_dump($deque->find("1")); // false
var_dump($deque->find(1));   // 1
?>

上の例の出力は、たとえば以下のようになります。

int(0)
bool(false)
bool(false)
int(1)

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