<commit_before><?php 

namespace Helpers;

class ArrTest extends \PHPUnit_Framework_TestCase
{
	public function testFirst()
    {
        $arr = [1, 2, 3];

        $this->assertEquals(1, Arr::first($arr));
    }
}<commit_msg>update ArrTest<commit_after><?php 

namespace Helpers;

class ArrTest extends \PHPUnit_Framework_TestCase
{
	public function testFirst()
    {
        $arr = [1, 2, 3];

        $this->assertEquals(1, Arr::first($arr));
    }

    public function testLast()
    {
    	$arr = [1, 2, 3];

    	$this->assertEquals(3, Arr::last($arr));
    }
}
{'fraction_non_alphanumeric': 0.15343915343915343, 'fraction_numerical': 0.021164021164021163, 'mean_word_length': 3.028368794326241, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 6, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '88694', 'n_tokens_mistral': 201, 'n_tokens_neox': 195, 'n_words': 42}