PHP - Manual: Ds\Vector::find
2024-11-15
(PECL ds >= 1.0.0)
Ds\Vector::find — Attempts to find a value's index
Returns the index of the value
, or false
if not found.
value
The value to find.
The index of the value, or false
if not found.
注意:
Values will be compared by value and by type.
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
?>
以上例程的输出类似于:
int(0) bool(false) bool(false) int(1)