keyExists()
The keyExists() method tests whether the requested index exists.
Example.php
<?php use kim\present\utils\arrays\ArrayUtils;
$arrayUtils = ArrayUtils::from(["Apple", "Banana", "Carrot", "FAV" => "Becon"]);
//Check array has each indexs
$arrayUtils->keyExists(1); // expected output: true
$arrayUtils->keyExists(2); // expected output: true
$arrayUtils->keyExists(3); // expected output: false
$arrayUtils->keyExists("HATE"); // expected output: false
$arrayUtils->keyExists("FAV"); // expected output: true
$arrayUtils->keyExists(int|string $key) : bool;
$key
The index being checked.
Boolean
the whether the requested index exists
ArrayUtils::keyExistsFrom(iterable $from, int|string $key) : bool;
Last modified 2yr ago