arrayutils
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indexOf()

The indexOf() method get first index at which a given element can be found in the array
Example.php
<?php use kim\present\utils\arrays\ArrayUtils;
$arrayUtils = ArrayUtils::from(["Apple", "Banana", "Carrot"]);
//Check array includes "Banana"
$arrayUtils->indexOf("Banana");
// expected output: 1
//Check array includes "Carrot" from 2
$arrayUtils->indexOf("Banana");
// expected output: null
//Check array includes "Baccon"
$arrayUtils->indexOf("Baccon");
// expected output: null

Syntax

$arrayUtils->indexOf(mixed $needle, int $start = 0) : int|string|null;

Parameter

  • $needle
    • The value to search for.
  • $start
    • The position in this array at which to begin searching for valueToFind.
    • Defaults to 0.

Return value

  • The first index of the element in the array. If not founded, returns NULL.

Prefixing

ArrayUtils::indexOfFrom(iterable $from, mixed $needle, int $start = 0) : int|string|null;

References

Last modified 2yr ago