Ds\Vector::find

(PECL ds >= 1.0.0)

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

說明

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

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

參數(shù)

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.

范例

示例 #1 Ds\Vector::find() example


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

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

以上例程的輸出類似于：

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