This class example is by no means complete. It simply functions as a data object but it lacks input sanitization, filtering, only have some kind of validation. If needed I would gladly work on a more complete example. =)

Application.php

<?php

/**
 * This class example is by no means complete. It simply functions as a data object
 * but it lacks input sanitization, filtering, only have some kind of validation.
 * If needed I would gladly work on a more complete example
 *
 * @throws EternalWow\Model\Exception
 */

namespace EternalWow\Model;

/**
 * Class responsible for managing applicants to the Eternal WoW Staff
 *
 */
class Application
{
    /**
     * @var string
     */
    private $acceptedTerms;

    /**
     * @var string
     */
    private $additionalInfo;

    /**
     * @var integer
     */
    private $age;

    /**
     * @var string
     */
    private $applicationExplanation;

    /**
     * @var string
     */
    private $applicationType;

    /**
     * @var string
     */
    private $classBody;

    /**
     * @var string
     */
    private $corePreference;

    /**
     * @var string
     */
    private $developerType;

    /**
     * @var string
     */
    private $fluentLanguages;

    /**
     * @var string
     */
    private $gender;

    /**
     * @var boolean
     */
    private $haveWorkingMicrofone;

    /**
     * @var string
     */
    private $knownWebLanguages;

    /**
     * @var string
     */
    private $multiplesFunctionBody;

    /**
     * @var string
     */
    private $name;

    /**
     * @var string
     */
    private $portfolioLink;

    /**
     * @var string
     */
    private $privatePlayingTime;

    /**
     * @var string
     */
    private $programmingExperience;

    /**
     * @var string
     */
    private $retailPlayingTime;

    /**
     * @var string
     */
    private $webDeveloperType;

    /**
     * @param string $acceptedTerms
     */
    public function setAcceptedTerms($acceptedTerms)
    {
        $this->acceptedTerms = $acceptedTerms;
    }

    /**
     * @return string
     */
    public function getAcceptedTerms()
    {
        return $this->acceptedTerms;
    }

    /**
     * @param string $additionalInfo
     */
    public function setAdditionalInfo($additionalInfo)
    {
        $this->additionalInfo = $additionalInfo;
    }

    /**
     * @return string
     */
    public function getAdditionalInfo()
    {
        return $this->additionalInfo;
    }

    /**
     * @param int $age
     */
    public function setAge($age)
    {
        $this->age = $age;
    }

    /**
     * @return int
     */
    public function getAge()
    {
        return $this->age;
    }

    /**
     * @param string $applicationExplanation
     */
    public function setApplicationExplanation($applicationExplanation)
    {
        $this->applicationExplanation = $applicationExplanation;
    }

    /**
     * @return string
     */
    public function getApplicationExplanation()
    {
        return $this->applicationExplanation;
    }

    /**
     * @param string $applicationType
     */
    public function setApplicationType($applicationType)
    {
        if (!in_array($applicationType, array('GM', 'Developer', 'Beta Tester'))) {
            throw new Exception('Invalid Application Type');
        }
        $this->applicationType = $applicationType;
    }

    /**
     * @return string
     */
    public function getApplicationType()
    {
        return $this->applicationType;
    }

    /**
     * @param string $classBody
     */
    public function setClassBody($classBody)
    {
        $this->classBody = $classBody;
    }

    /**
     * @return string
     */
    public function getClassBody()
    {
        return $this->classBody;
    }

    /**
     * @param string $corePreference
     */
    public function setCorePreference($corePreference)
    {
        $options = array(
            'No Experience',
            'MaNGOS',
            'Trinity',
            'ArcEMU',
            'Ascent'
        );

        if (!in_array($corePreference, $options)) {
            throw new Exception('Invalid Core Preference');
        }

        $this->corePreference = $corePreference;
    }

    /**
     * @return string
     */
    public function getCorePreference()
    {
        return $this->corePreference;
    }

    /**
     * @param string $developerType
     */
    public function setDeveloperType($developerType)
    {
        $this->developerType = $developerType;
    }

    /**
     * @return string
     */
    public function getDeveloperType()
    {
        return $this->developerType;
    }

    /**
     * @param string $fluentLanguages
     */
    public function setFluentLanguages($fluentLanguages)
    {
        $this->fluentLanguages = $fluentLanguages;
    }

    /**
     * @return string
     */
    public function getFluentLanguages()
    {
        return $this->fluentLanguages;
    }

    /**
     * @param string $gender
     */
    public function setGender($gender)
    {
        $this->gender = $gender;
    }

    /**
     * @return string
     */
    public function getGender()
    {
        return $this->gender;
    }

    /**
     * @param boolean $haveWorkingMicrofone
     */
    public function setHaveWorkingMicrofone($haveWorkingMicrofone)
    {
        $this->haveWorkingMicrofone = $haveWorkingMicrofone;
    }

    /**
     * @return boolean
     */
    public function getHaveWorkingMicrofone()
    {
        return $this->haveWorkingMicrofone;
    }

    /**
     * @param string $knownWebLanguages
     */
    public function setKnownWebLanguages($knownWebLanguages)
    {
        $this->knownWebLanguages = $knownWebLanguages;
    }

    /**
     * @return string
     */
    public function getKnownWebLanguages()
    {
        return $this->knownWebLanguages;
    }

    /**
     * @param string $multiplesFunctionBody
     */
    public function setMultiplesFunctionBody($multiplesFunctionBody)
    {
        $this->multiplesFunctionBody = $multiplesFunctionBody;
    }

    /**
     * @return string
     */
    public function getMultiplesFunctionBody()
    {
        return $this->multiplesFunctionBody;
    }

    /**
     * @param string $name
     */
    public function setName($name)
    {
        $this->name = $name;
    }

    /**
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * @param string $portfolioLink
     */
    public function setPortfolioLink($portfolioLink)
    {
        $this->portfolioLink = $portfolioLink;
    }

    /**
     * @return string
     */
    public function getPortfolioLink()
    {
        return $this->portfolioLink;
    }

    /**
     * @param string $privatePlayingTime
     */
    public function setPrivatePlayingTime($privatePlayingTime)
    {
        $this->privatePlayingTime = $privatePlayingTime;
    }

    /**
     * @return string
     */
    public function getPrivatePlayingTime()
    {
        return $this->privatePlayingTime;
    }

    /**
     * @param string $programmingExperience
     */
    public function setProgrammingExperience($programmingExperience)
    {
        $this->programmingExperience = $programmingExperience;
    }

    /**
     * @return string
     */
    public function getProgrammingExperience()
    {
        return $this->programmingExperience;
    }

    /**
     * @param string $retailPlayingTime
     */
    public function setRetailPlayingTime($retailPlayingTime)
    {
        $this->retailPlayingTime = $retailPlayingTime;
    }

    /**
     * @return string
     */
    public function getRetailPlayingTime()
    {
        return $this->retailPlayingTime;
    }

    /**
     * @param string $webDeveloperType
     */
    public function setWebDeveloperType($webDeveloperType)
    {
        $this->webDeveloperType = $webDeveloperType;
    }

    /**
     * @return string
     */
    public function getWebDeveloperType()
    {
        return $this->webDeveloperType;
    }
}