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	diff --git a/src/Collections/OmniArray.php b/src/Collections/OmniArray.php
	index 30a60c1..d83676d 100644
	--- a/src/Collections/OmniArray.php
	+++ b/src/Collections/OmniArray.php
	@@ -1,67 +1,69 @@
	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\Collections;

	use Keruald\OmniTools\Strings\Multibyte\OmniString;

	class OmniArray {

	/**
	* @var array
	*/
	private $items = [];

	///
	/// Constructors
	///

	public function __construct (?iterable $items) {
	if ($items === null) {
	return;
	}

	if (is_array($items)) {
	$this->items = $items;

	return;
	}

	foreach ($items as $item) {
	$this->items[] = $item;
	}
	}

	- public static function explode (string $delimiter, string $string, int $limit = PHP_INT_MAX) : self {
	- return new OmniArray(explode($delimiter, $string, $limit));
	+ public static function explode (string $delimiter, string $string,
	+ int $limit = PHP_INT_MAX) : self {
	+ return (new OmniString($string))
	+ ->explode($delimiter, $limit);
	}

	///
	/// Transformation methods
	///

	public function toIntegers () : self {
	array_walk($this->items, ArrayUtilities::toIntegerCallback());

	return $this;
	}

	public function map (callable $callable) : self {
	$items = array_map($callable, $this->items);

	return new self($items);
	}

	public function implode(string $delimiter) : OmniString {
	return new OmniString(implode($delimiter, $this->items));
	}

	///
	/// Getters methods
	///

	public function toArray () : array {
	return $this->items;
	}

	}
	diff --git a/tests/Collections/OmniArrayTest.php b/tests/Collections/OmniArrayTest.php
	index 473a78c..9b587f1 100644
	--- a/tests/Collections/OmniArrayTest.php
	+++ b/tests/Collections/OmniArrayTest.php
	@@ -1,35 +1,47 @@
	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\Tests\Collections;

	use Keruald\OmniTools\Collections\OmniArray;
	use PHPUnit\Framework\TestCase;

	class OmniArrayTest extends TestCase {

	public function testMap () : void {
	$actual = (new OmniArray([1, 2, 3, 4, 5]))
	->map(function ($x) { return $x * $x; })
	->toArray();

	$this->assertEquals([1, 4, 9, 16, 25], $actual);
	}

	public function testImplode() : void {
	$actual = (new OmniArray(["a", "b", "c"]))
	->implode(".")
	->__toString();

	$this->assertEquals("a.b.c", $actual);
	}

	public function testImplodeWithoutDelimiter() : void {
	$actual = (new OmniArray(["a", "b", "c"]))
	->implode("")
	->__toString();

	$this->assertEquals("abc", $actual);
	}

	+ public function testExplode() : void {
	+ $actual = OmniArray::explode(".", "a.b.c");
	+
	+ $this->assertEquals(["a", "b", "c"], $actual->toArray());
	+ }
	+
	+ public function testExplodeWithoutDelimiter() : void {
	+ $actual = OmniArray::explode("", "a.b.c");
	+
	+ $this->assertEquals(["a.b.c"], $actual->toArray());
	+ }
	+
	}

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