Ds\Deque::find

(PECL ds >= 1.0.0)

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

说明

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

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

参数

value: The value to find.

返回值

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

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

示例

示例 #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
?>

以上示例的输出类似于：

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