ArrayUtilities.php
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ArrayUtilities.php
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	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\Collections;

	use Closure;

	class ArrayUtilities {

	///
	/// Methods to transform every member of an array
	///

	/**
	* @return int[]
	*/
	public static function toIntegers (array $array) : array {
	$newArray = $array;
	array_walk($newArray, self::toIntegerCallback());
	return $newArray;
	}

	///
	/// Helpers to get callbacks for array_walk methods
	///

	public static function toIntegerCallback () : Closure {
	return function (&$item) {
	$item = (int)$item;
	};
	}

	}