Ds\Sequence::find

(PECL ds >= 1.0.0)

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

Description

abstract public function Ds\Sequence::find(mixed $value): mixed

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

Parameters

value: The value to find.

Return Values

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

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

Examples

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

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

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

The above example will output something similar to:

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