<?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.

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

Previousfind()Nextfirst()

Last updated 4 years ago