<?php

class ArrayUtils
{
    /**
     * @param array $array
     *
     * @return mixed
     */
    public function mostRepeatedValue(array $array)
    {

    }
}

class MostRepeatedValueTest extends \PHPUnit_Framework_TestCase
{

    public function testIfItReturnMostRepeatedValueInIntegersArray()
    {
        $array = [1, 3, 4, 5, 1, 3, 1, 7];
        $utils = new ArrayUtils();
        $mostRepeatedValue = $utils->mostRepeatedValue($array);

        $this->assertEquals(1, $mostRepeatedValue);
    }

    public function testIfItReturnMostRepeatedValueInStringArray()
    {
        $array = ['Apple', 'Orange', 'Plum', 'Apple', 'Grape', 'Apple'];
        $utils = new ArrayUtils();
        $mostRepeatedValue = $utils->mostRepeatedValue($array);

        $this->assertEquals('Apple', $mostRepeatedValue);
    }

}

public function mostRepeatedValue(array $array)
{
    $counts = [];
    foreach ($array as $item) {
        $item = (string) $item;
        if (!isset($counts[$item])) {
            $counts[$item] = 1;
        } else {
            ++$counts[$item];
        }
    }

    $mostRepeatedCount = 0;
    $mostRepeated = null;
    foreach ($counts as $key => $count) {
        if ($count > $mostRepeatedCount) {
            $mostRepeatedCount = $count;
            $mostRepeated = $key;
        }
    }

    return $mostRepeated;
}

function same(aArr, bArr)
{
  return [].concat.apply([],aArr).sort().toString() 
    === [].concat.apply([],bArr).sort().toString();
}

public function hasCorrectAge($user)
{
    return $user->getAge() = 18;
}

/**
 * @throws EmptyVesselException
 */
public function emptyTheContent()
{
    if ($this->isEmpty()) {
        throw new EmptyVesselException();
    }
    
    $this->filledWith = null;
    $this->ingredients = [];
    $this->currentCapacity = new Capacity(0);
}