Vector
PHP Manual

Ds\Vector::find

(PECL ds >= 1.0.0)

Ds\Vector::find Attempts to find a value's index.

说明

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

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.

Note:

Values will be compared by value and by type.

范例

Example #1 Ds\Vector::find() example

<?php
$vector 
= new \Ds\Vector(["a"1true]);

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

以上例程的输出类似于:

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

Vector
PHP Manual