every()

The every() method tests whether all elements pass the function

Example.php

<?php use kim\present\utils\arrays\ArrayUtils;

$arrayUtils = ArrayUtils::from(range(1, 30));

//Test if all elements are less than 40
$arrayUtils->every(function($num){ return $num < 40; });
// expected output: true

//Test if all elements are less than 30
$arrayUtils->every(function($num){ return $num < 40; });
// expected output: false

Syntax

$arrayUtils->every(callable $callback) : bool;

Parameter

• $callback

  A function to test for each element, taking three 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

• A boolean the whether all elements pass the function

Prefixing

ArrayUtils::everyFrom(iterable $from, callable $callback) : bool;

References

Array.prototype.every() - JavaScript | MDN