findIndex()

The findIndex() method all similar to find(), but return index

Example.php
<?php use kim\present\utils\arrays\ArrayUtils;
​
$arrayUtils = ArrayUtils::from(["Apple", "Banana", "Carrot", "Bacon"]);
​
//Find value's index ​​starting with B
$arrayUtils->findIndex(function($name){ return $name[0] === "B"; });
// expected output: 1
Syntax
$arrayUtils->find(callable $callback) : mixed;
Parameter
$callback
A function to execute on each value in the array, taking 3 arguments:
$value The current element being processed in the array.
$key The index of the current element being processed in the array.
$array   The array every was called upon.
Return value
The key of the first element in the array that pass function.
Otherwise, NULL is returned.
Prefixing
ArrayUtils::findFrom(iterable $from, callable $callback) : mixed;
References
​https://www.php.net/manual/en/function.array-chunk​

find()

first()

Last modified 2yr ago