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Current File : /web/sites/vhbu/1/14/102637/vendor/laravel/framework/src/Illuminate/Validation/Validator.php
<?php namespace Illuminate\Validation;

use Closure;
use DateTime;
use Illuminate\Support\MessageBag;
use Illuminate\Container\Container;
use Symfony\Component\HttpFoundation\File\File;
use Symfony\Component\Translation\TranslatorInterface;
use Illuminate\Support\Contracts\MessageProviderInterface;

class Validator implements MessageProviderInterface {

	/**
	 * The Translator implementation.
	 *
	 * @var Symfony\Component\Translation\TranslatorInterface
	 */
	protected $translator;

	/**
	 * The Presence Verifier implementation.
	 *
	 * @var \Illuminate\Validation\PresenceVerifierInterface
	 */
	protected $presenceVerifier;

	/**
	 * The failed validation rules.
	 *
	 * @var array
	 */
	protected $failedRules = array();

	/**
	 * The message bag instance.
	 *
	 * @var \Illuminate\Support\MessageBag
	 */
	protected $messages;

	/**
	 * The data under validation.
	 *
	 * @var array
	 */
	protected $data;

	/**
	 * The files under validation.
	 *
	 * @var array
	 */
	protected $files = array();

	/**
	 * The rules to be applied to the data.
	 *
	 * @var array
	 */
	protected $rules;

	/**
	 * The array of custom error messages.
	 *
	 * @var array
	 */
	protected $customMessages = array();

	/**
	 * The array of custom attribute names.
	 *
	 * @var array
	 */
	protected $customAttributes = array();

	/**
	 * All of the custom validator extensions.
	 *
	 * @var array
	 */
	protected $extensions = array();

	/**
	 * The size related validation rules.
	 *
	 * @var array
	 */
	protected $sizeRules = array('Size', 'Between', 'Min', 'Max');

	/**
	 * The numeric related validation rules.
	 *
	 * @var array
	 */
	protected $numericRules = array('Numeric', 'Integer');

	/**
	 * The implicit validation rules.
	 *
	 * @var array
	 */
	protected $implicitRules = array('Required', 'RequiredWith', 'RequiredWithout', 'RequiredIf', 'Accepted');

	/**
	 * Create a new Validator instance.
	 *
	 * @param  \Symfony\Component\Translation\TranslatorInterface  $translator
	 * @param  array  $data
	 * @param  array  $rules
	 * @param  array  $messages
	 * @return void
	 */
	public function __construct(TranslatorInterface $translator, $data, $rules, $messages = array())
	{
		$this->translator = $translator;
		$this->customMessages = $messages;
		$this->data = $this->parseData($data);
		$this->rules = $this->explodeRules($rules);
	}

	/**
	 * Parse the data and hydrate the files array.
	 *
	 * @param  array  $data
	 * @return array
	 */
	protected function parseData(array $data)
	{
		$this->files = array();

		foreach ($data as $key => $value)
		{
			// If this value is an instance of the HttpFoundation File class we will
			// remove it from the data array and add it to the files array, which
			// is used to conveniently separate out the files from other datas.
			if ($value instanceof File)
			{
				$this->files[$key] = $value;

				unset($data[$key]);
			}
		}

		return $data;
	}

	/**
	 * Explode the rules into an array of rules.
	 *
	 * @param  string|array  $rules
	 * @return array
	 */
	protected function explodeRules($rules)
	{
		foreach ($rules as $key => &$rule)
		{
			$rule = (is_string($rule)) ? explode('|', $rule) : $rule;
		}

		return $rules;
	}

	/**
	 * Determine if the data passes the validation rules.
	 *
	 * @return bool
	 */
	public function passes()
	{
		$this->messages = new MessageBag;

		// We'll spin through each rule, validating the attributes attached to that
		// rule. Any error messages will be added to the containers with each of
		// the other error messages, returning true if we don't have messages.
		foreach ($this->rules as $attribute => $rules)
		{
			foreach ($rules as $rule)
			{
				$this->validate($attribute, $rule);
			}
		}

		return count($this->messages->all()) === 0;
	}

	/**
	 * Determine if the data fails the validation rules.
	 *
	 * @return bool
	 */
	public function fails()
	{
		return ! $this->passes();
	}

	/**
	 * Validate a given attribute against a rule.
	 *
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @return void
	 */
	protected function validate($attribute, $rule)
	{
		list($rule, $parameters) = $this->parseRule($rule);

		// We will get the value for the given attribute from the array of data and then
		// verify that the attribute is indeed validatable. Unless the rule implies
		// that the attribute is required, rules are not run for missing values.
		$value = $this->getValue($attribute);

		$validatable = $this->isValidatable($rule, $attribute, $value);

		$method = "validate{$rule}";

		if ($validatable and ! $this->$method($attribute, $value, $parameters, $this))
		{
			$this->addFailure($attribute, $rule, $parameters);
		}
	}

	/**
	 * Get the value of a given attribute.
	 *
	 * @param  string  $attribute
	 * @return mixed
	 */
	protected function getValue($attribute)
	{
		if ( ! is_null($value = array_get($this->data, $attribute)))
		{
			return $value;
		}
		elseif ( ! is_null($value = array_get($this->files, $attribute)))
		{
			return $value;
		}
	}

	/**
	 * Determine if the attribute is validatable.
	 *
	 * @param  string  $rule
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function isValidatable($rule, $attribute, $value)
	{
		return $this->validateRequired($attribute, $value) or $this->isImplicit($rule);
	}

	/**
	 * Determine if a given rule implies the attribute is required.
	 *
	 * @param  string  $rule
	 * @return bool
	 */
	protected function isImplicit($rule)
	{
		return in_array($rule, $this->implicitRules);
	}

	/**
	 * Add a failed rule and error message to the collection.
	 *
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return void
	 */
	protected function addFailure($attribute, $rule, $parameters)
	{
		$this->addError($attribute, $rule, $parameters);

		$this->failedRules[$attribute][$rule] = $parameters;
	}

	/**
	 * Add an error message to the validator's collection of messages.
	 *
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return void
	 */
	protected function addError($attribute, $rule, $parameters)
	{
		$message = $this->getMessage($attribute, $rule);

		$message = $this->doReplacements($message, $attribute, $rule, $parameters);

		$this->messages->add($attribute, $message);
	}

	/**
	 * Validate that a required attribute exists.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateRequired($attribute, $value)
	{
		if (is_null($value))
		{
			return false;
		}
		elseif (is_string($value) and trim($value) === '')
		{
			return false;
		}
		elseif ($value instanceof File)
		{
			return (string) $value->getPath() != '';
		}

		return true;
	}

	/**
	 * Determine if any of the given attributes fail the required test.
	 *
	 * @param  array  $attributes
	 * @return bool
	 */
	protected function anyFailingRequired(array $attributes)
	{
		foreach ($attributes as $key)
		{
			if ( ! $this->validateRequired($key, $this->getValue($key)))
			{
				return true;
			}
		}

		return false;
	}

	/**
	 * Validate that an attribute exists when another attribute exists
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  mixed   $parameters
	 * @return bool
	 */
	protected function validateRequiredWith($attribute, $value, $parameters)
	{
		$other = $parameters[0];

		if ($this->getPresentCount($parameters) != count($parameters))
		{
			return true;
		}

		if ($this->anyFailingRequired($parameters))
		{
			return true;
		}

		return $this->validateRequired($attribute, $value);
	}

	/**
	 * Validate that an attribute exists when another attribute does not exists
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  mixed   $parameters
	 * @return bool
	 */
	protected function validateRequiredWithout($attribute, $value, $parameters)
	{
		if ($this->anyFailingRequired($parameters))
		{
			return $this->validateRequired($attribute, $value);
		}

		return true;
	}

	/**
	 * Validate that an attribute exists when another attribute has a given value.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  mixed   $parameters
	 * @return bool
	 */
	protected function validateRequiredIf($attribute, $value, $parameters)
	{
		if ($parameters[1] == array_get($this->data, $parameters[0]))
		{
			return $this->validateRequired($attribute, $value);
		}

		return true;
	}

	/**
	 * Get the number of attributes in a list that are present.
	 *
	 * @param  array  $attributes
	 * @return int
	 */
	protected function getPresentCount($attributes)
	{
		$count = 0;

		foreach ($attributes as $key)
		{
			if (isset($this->data[$key]) or isset($this->files[$key]))
			{
				$count++;
			}
		}

		return $count;
	}

	/**
	 * Validate that an attribute has a matching confirmation.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateConfirmed($attribute, $value)
	{
		return $this->validateSame($attribute, $value, array($attribute.'_confirmation'));
	}

	/**
	 * Validate that two attributes match.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return void
	 */
	protected function validateSame($attribute, $value, $parameters)
	{
		$other = $parameters[0];

		return isset($this->data[$other]) and $value == $this->data[$other];
	}

	/**
	 * Validate that an attribute is different from another attribute.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateDifferent($attribute, $value, $parameters)
	{
		$other = $parameters[0];

		return isset($this->data[$other]) and $value != $this->data[$other];
	}

	/**
	 * Validate that an attribute was "accepted".
	 *
	 * This validation rule implies the attribute is "required".
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateAccepted($attribute, $value)
	{
		$acceptable = array('yes', 'on', 1);

		return $this->validateRequired($attribute, $value) and in_array($value, $acceptable);
	}

	/**
	 * Validate that an attribute is an array.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateArray($attribute, $value)
	{
		return is_array($value);
	}

	/**
	 * Validate that an attribute is numeric.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateNumeric($attribute, $value)
	{
		return is_numeric($value);
	}

	/**
	 * Validate that an attribute is an integer.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateInteger($attribute, $value)
	{
		return filter_var($value, FILTER_VALIDATE_INT) !== false;
	}

	/**
	 * Validate that an attribute has a given number of digits.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateDigits($attribute, $value, $parameters)
	{
		return strlen((string) $value) == $parameters[0];
	}

	/**
	 * Validate that an attribute is between a given number of digits.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateDigitsBetween($attribute, $value, $parameters)
	{
		$length = strlen((string) $value);

		return $length >= $parameters[0] and $length <= $parameters[1];
	}

	/**
	 * Validate the size of an attribute.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateSize($attribute, $value, $parameters)
	{
		return $this->getSize($attribute, $value) == $parameters[0];
	}

	/**
	 * Validate the size of an attribute is between a set of values.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateBetween($attribute, $value, $parameters)
	{
		$size = $this->getSize($attribute, $value);

		return $size >= $parameters[0] and $size <= $parameters[1];
	}

	/**
	 * Validate the size of an attribute is greater than a minimum value.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateMin($attribute, $value, $parameters)
	{
		return $this->getSize($attribute, $value) >= $parameters[0];
	}

	/**
	 * Validate the size of an attribute is less than a maximum value.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateMax($attribute, $value, $parameters)
	{
		return $this->getSize($attribute, $value) <= $parameters[0];
	}

	/*
	 * Get the size of an attribute.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return mixed
	 */
	protected function getSize($attribute, $value)
	{
		$hasNumeric = $this->hasRule($attribute, $this->numericRules);

		// This method will determine if the attribute is a number, string, or file and
		// return the proper size accordingly. If it is a number, then number itself
		// is the size. If it is a file, we take kilobytes, and for a string the
		// entire length of the string will be considered the attribute size.
		if (is_numeric($value) and $hasNumeric)
		{
			return $this->data[$attribute];
		}
		elseif (is_array($value))
		{
			return count($value);
		}
		elseif ($value instanceof File)
		{
			return $value->getSize() / 1024;
		}
		else
		{
			return $this->getStringSize($value);
		}
	}

	/**
	 * Get the size of a string.
	 *
	 * @param  string  $value
	 * @return int
	 */
	protected function getStringSize($value)
	{
		if (function_exists('mb_strlen')) return mb_strlen($value);

		return strlen($value);
	}

	/**
	 * Validate an attribute is contained within a list of values.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateIn($attribute, $value, $parameters)
	{
		return in_array($value, $parameters);
	}

	/**
	 * Validate an attribute is not contained within a list of values.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateNotIn($attribute, $value, $parameters)
	{
		return ! in_array($value, $parameters);
	}

	/**
	 * Validate the uniqueness of an attribute value on a given database table.
	 *
	 * If a database column is not specified, the attribute will be used.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateUnique($attribute, $value, $parameters)
	{
		$table = $parameters[0];

		// The second parameter position holds the name of the column that needs to
		// be verified as unique. If this parameter isn't specified we will just
		// assume that this column to be verified shares the attribute's name.
		$column = isset($parameters[1]) ? $parameters[1] : $attribute;

		list($idColumn, $id) = array(null, null);

		if (isset($parameters[2]))
		{
			list($idColumn, $id) = $this->getUniqueIds($parameters);

			if (strtolower($id) == 'null') $id = null;
		}

		// The presence verifier is responsible for counting rows within this store
		// mechanism which might be a relational database or any other permanent
		// data store like Redis, etc. We will use it to determine uniqueness.
		$verifier = $this->getPresenceVerifier();

		$extra = $this->getUniqueExtra($parameters);

		return $verifier->getCount(

			$table, $column, $value, $id, $idColumn, $extra

		) == 0;
	}

	/**
	 * Get the excluded ID column and value for the unique rule.
	 *
	 * @param  array  $parameters
	 * @return array
	 */
	protected function getUniqueIds($parameters)
	{
		$idColumn = isset($parameters[3]) ? $parameters[3] : 'id';

		return array($idColumn, $parameters[2]);
	}

	/**
	 * Get the extra conditions for a unique rule.
	 *
	 * @param  array  $parameters
	 * @return array
	 */
	protected function getUniqueExtra($parameters)
	{
		if (isset($parameters[4]))
		{
			return $this->getExtraConditions(array_slice($parameters, 4));
		}
		else
		{
			return array();
		}
	}

	/**
	 * Validate the existence of an attribute value in a database table.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateExists($attribute, $value, $parameters)
	{
		$table = $parameters[0];

		// The second parameter position holds the name of the column that should be
		// verified as existing. If this parameter is not specified we will guess
		// that the columns being "verified" shares the given attribute's name.
		$column = isset($parameters[1]) ? $parameters[1] : $attribute;

		$expected = (is_array($value)) ? count($value) : 1;

		return $this->getExistCount($table, $column, $value, $parameters) >= $expected;
	}

	/**
	 * Get the number of records that exist in storage.
	 *
	 * @param  string  $table
	 * @param  string  $column
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return int
	 */
	protected function getExistCount($table, $column, $value, $parameters)
	{
		$verifier = $this->getPresenceVerifier();

		$extra = $this->getExtraExistConditions($parameters);

		if (is_array($value))
		{
			return $verifier->getMultiCount($table, $column, $value, $extra);
		}
		else
		{
			return $verifier->getCount($table, $column, $value, null, null, $extra);
		}
	}

	/**
	 * Get the extra exist conditions.
	 *
	 * @param  array  $parameters
	 * @return array
	 */
	protected function getExtraExistConditions(array $parameters)
	{
		return $this->getExtraConditions(array_values(array_slice($parameters, 2)));
	}

	/**
	 * Get the extra conditions for a unique / exists rule.
	 *
	 * @param  array  $segments
	 * @return array
	 */
	protected function getExtraConditions(array $segments)
	{
		$extra = array();

		for ($i = 0; $i < count($segments); $i = $i + 2)
		{
			$extra[$segments[$i]] = $segments[$i + 1];
		}

		return $extra;	
	}

	/**
	 * Validate that an attribute is a valid IP.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateIp($attribute, $value)
	{
		return filter_var($value, FILTER_VALIDATE_IP) !== false;
	}

	/**
	 * Validate that an attribute is a valid e-mail address.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateEmail($attribute, $value)
	{
		return filter_var($value, FILTER_VALIDATE_EMAIL) !== false;
	}

	/**
	 * Validate that an attribute is a valid URL.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateUrl($attribute, $value)
	{
		return filter_var($value, FILTER_VALIDATE_URL) !== false;
	}

	/**
	 * Validate that an attribute is an active URL.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateActiveUrl($attribute, $value)
	{
		$url = str_replace(array('http://', 'https://', 'ftp://'), '', strtolower($value));

		return checkdnsrr($url);
	}

	/**
	 * Validate the MIME type of a file is an image MIME type.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateImage($attribute, $value)
	{
		return $this->validateMimes($attribute, $value, array('jpeg', 'png', 'gif', 'bmp'));
	}

	/**
	 * Validate the MIME type of a file upload attribute is in a set of MIME types.
	 *
	 * @param  string  $attribute
	 * @param  array   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateMimes($attribute, $value, $parameters)
	{
		if ( ! $value instanceof File or $value->getPath() == '')
		{
			return true;
		}

		// The Symfony File class should do a decent job of guessing the extension
		// based on the true MIME type so we'll just loop through the array of
		// extensions and compare it to the guessed extension of the files.
		return in_array($value->guessExtension(), $parameters);
	}

	/**
	 * Validate that an attribute contains only alphabetic characters.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateAlpha($attribute, $value)
	{
		return preg_match('/^([a-z])+$/i', $value);
	}

	/**
	 * Validate that an attribute contains only alpha-numeric characters.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateAlphaNum($attribute, $value)
	{
		return preg_match('/^([a-z0-9])+$/i', $value);
	}

	/**
	 * Validate that an attribute contains only alpha-numeric characters, dashes, and underscores.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateAlphaDash($attribute, $value)
	{
		return preg_match('/^([a-z0-9_-])+$/i', $value);
	}

	/**
	 * Validate that an attribute passes a regular expression check.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateRegex($attribute, $value, $parameters)
	{
		return preg_match($parameters[0], $value);
	}

	/**
	 * Validate that an attribute is a valid date.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @return bool
	 */
	protected function validateDate($attribute, $value)
	{
		if ($value instanceof DateTime) return true;

		if (strtotime($value) === false) return false;

		$date = date_parse($value);

		return checkdate($date['month'], $date['day'], $date['year']);
	}

	/**
	 * Validate that an attribute matches a date format.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateDateFormat($attribute, $value, $parameters)
	{
		$parsed = date_parse_from_format($parameters[0], $value);

		return $parsed['error_count'] === 0;
	}

	/**
	 * Validate the date is before a given date.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateBefore($attribute, $value, $parameters)
	{
		return strtotime($value) < strtotime($parameters[0]);
	}

	/**
	 * Validate the date is after a given date.
	 *
	 * @param  string  $attribute
	 * @param  mixed   $value
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function validateAfter($attribute, $value, $parameters)
	{
		return strtotime($value) > strtotime($parameters[0]);
	}

	/**
	 * Get the validation message for an attribute and rule.
	 *
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @return string
	 */
	protected function getMessage($attribute, $rule)
	{
		$lowerRule = strtolower(snake_case($rule));

		$inlineMessage = $this->getInlineMessage($attribute, $lowerRule);

		// First we will retrieve the custom message for the validation rule if one
		// exists. If a custom validation message is being used we'll return the
		// custom message, otherwise we'll keep searching for a valid message.
		if ( ! is_null($inlineMessage))
		{
			return $inlineMessage;
		}

		$customKey = "validation.custom.{$attribute}.{$lowerRule}";

		$customMessage = $this->translator->trans($customKey);

		// First we check for a custom defined validation message for the attribute
		// and rule. This allows the developer to specify specific messages for
		// only some attributes and rules that need to get specially formed.
		if ($customMessage !== $customKey)
		{
			return $customMessage;
		}

		// If the rule being validated is a "size" rule, we will need to gather the
		// specific error message for the type of attribute being validated such
		// as a number, file or string which all have different message types.
		elseif (in_array($rule, $this->sizeRules))
		{
			return $this->getSizeMessage($attribute, $rule);
		}

		// Finally, if on developer specified messages have been set, and no other
		// special messages apply for this rule, we will just pull the default
		// messages out of the translator service for this validation rule.
		else
		{
			$key = "validation.{$lowerRule}";

			return $this->translator->trans($key);
		}
	}

	/**
	 * Get the inline message for a rule if it exists.
	 *
	 * @param  string  $attribute
	 * @param  string  $lowerRule
	 * @return string
	 */
	protected function getInlineMessage($attribute, $lowerRule)
	{
		$keys = array("{$attribute}.{$lowerRule}", $lowerRule);

		// First we will check for a custom message for an attribute specific rule
		// message for the fields, then we will check for a general custom line
		// that is not attribute specific. If we find either we'll return it.
		foreach ($keys as $key)
		{
			if (isset($this->customMessages[$key]))
			{
				return $this->customMessages[$key];
			}
		}
	}

	/**
	 * Get the proper error message for an attribute and size rule.
	 *
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @return string
	 */
	protected function getSizeMessage($attribute, $rule)
	{
		$lowerRule = strtolower(snake_case($rule));

		// There are three different types of size validations. The attribute may be
		// either a number, file, or string so we will check a few things to know
		// which type of value it is and return the correct line for that type.
		$type = $this->getAttributeType($attribute);

		$key = "validation.{$lowerRule}.{$type}";

		return $this->translator->trans($key);
	}

	/**
	 * Get the data type of the given attribute.
	 *
	 * @param  string  $attribute
	 * @return string
	 */
	protected function getAttributeType($attribute)
	{
		// We assume that the attributes present in the file array are files so that
		// means that if the attribute does not have a numeric rule and the files
		// list doesn't have it we'll just consider it a string by elimination.
		if ($this->hasRule($attribute, $this->numericRules))
		{
			return 'numeric';
		}
		elseif ($this->hasRule($attribute, array('Array')))
		{
			return 'array';
		}
		elseif (array_key_exists($attribute, $this->files))
		{
			return 'file';
		}

		return 'string';
	}

	/**
	 * Replace all error message place-holders with actual values.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function doReplacements($message, $attribute, $rule, $parameters)
	{
		$message = str_replace(':attribute', $this->getAttribute($attribute), $message);

		if (method_exists($this, $replacer = "replace{$rule}"))
		{
			$message = $this->$replacer($message, $attribute, $rule, $parameters);
		}

		return $message;
	}

	/**
	 * Transform an array of attributes to their displayable form.
	 *
	 * @param  array  $values
	 * @return array
	 */
	protected function getAttributeList(array $values)
	{
		$attributes = array();

		// For each attribute in the list we will simply get its displayable form as
		// this is convenient when replacing lists of parameters like some of the
		// replacement functions do when formatting out the validation message.
		foreach ($values as $key => $value)
		{
			$attributes[$key] = $this->getAttribute($value);
		}

		return $attributes;
	}

	/**
	 * Get the displayable name of the attribute.
	 *
	 * @param  string  $attribute
	 * @return string
	 */
	protected function getAttribute($attribute)
	{
		// The developer may dynamically specify the array of custom attributes
		// on this Validator instance. If the attribute exists in this array
		// it takes precedence over all other ways we can pull attributes.
		if (isset($this->customAttributes[$attribute]))
		{
			return $this->customAttributes[$attribute];
		}

		$key = "validation.attributes.{$attribute}";

		// We allow for the developer to specify language lines for each of the
		// attributes allowing for more displayable counterparts of each of
		// the attributes. This provides the ability for simple formats.
		if (($line = $this->translator->trans($key)) !== $key)
		{
			return $line;
		}

		// If no language line has been specified for the attribute all of the
		// underscores are removed from the attribute name and that will be
		// used as default versions of the attribute's displayable names.
		else
		{
			return str_replace('_', ' ', $attribute);
		}
	}

	/**
	 * Replace all place-holders for the between rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceBetween($message, $attribute, $rule, $parameters)
	{
		return str_replace(array(':min', ':max'), $parameters, $message);
	}

	/**
	 * Replace all place-holders for the digits rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceDigits($message, $attribute, $rule, $parameters)
	{
		return str_replace(':digits', $parameters[0], $message);
	}

	/**
	 * Replace all place-holders for the digits (between) rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceDigitsBetween($message, $attribute, $rule, $parameters)
	{
		return str_replace(array(':min', ':max'), $parameters, $message);
	}

	/**
	 * Replace all place-holders for the size rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceSize($message, $attribute, $rule, $parameters)
	{
		return str_replace(':size', $parameters[0], $message);
	}

	/**
	 * Replace all place-holders for the min rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceMin($message, $attribute, $rule, $parameters)
	{
		return str_replace(':min', $parameters[0], $message);
	}

	/**
	 * Replace all place-holders for the max rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceMax($message, $attribute, $rule, $parameters)
	{
		return str_replace(':max', $parameters[0], $message);
	}

	/**
	 * Replace all place-holders for the in rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceIn($message, $attribute, $rule, $parameters)
	{
		return str_replace(':values', implode(', ', $parameters), $message);
	}

	/**
	 * Replace all place-holders for the not_in rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceNotIn($message, $attribute, $rule, $parameters)
	{
		return str_replace(':values', implode(', ', $parameters), $message);
	}

	/**
	 * Replace all place-holders for the mimes rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceMimes($message, $attribute, $rule, $parameters)
	{
		return str_replace(':values', implode(', ', $parameters), $message);
	}

	/**
	 * Replace all place-holders for the required_with rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceRequiredWith($message, $attribute, $rule, $parameters)
	{
		$parameters = $this->getAttributeList($parameters);

		return str_replace(':values', implode(' / ', $parameters), $message);
	}

	/**
	 * Replace all place-holders for the required_without rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceRequiredWithout($message, $attribute, $rule, $parameters)
	{
		$parameters = $this->getAttributeList($parameters);

		return str_replace(':values', implode(' / ', $parameters), $message);
	}

	/**
	 * Replace all place-holders for the required_if rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceRequiredIf($message, $attribute, $rule, $parameters)
	{
		$parameters[0] = $this->getAttribute($parameters[0]);

		return str_replace(array(':other', ':value'), $parameters, $message);
	}

	/**
	 * Replace all place-holders for the same rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceSame($message, $attribute, $rule, $parameters)
	{
		return str_replace(':other', $this->getAttribute($parameters[0]), $message);
	}

	/**
	 * Replace all place-holders for the different rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceDifferent($message, $attribute, $rule, $parameters)
	{
		return str_replace(':other', $this->getAttribute($parameters[0]), $message);
	}

	/**
	 * Replace all place-holders for the date_format rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceDateFormat($message, $attribute, $rule, $parameters)
	{
		return str_replace(':format', $parameters[0], $message);
	}

	/**
	 * Replace all place-holders for the before rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceBefore($message, $attribute, $rule, $parameters)
	{
		return str_replace(':date', $parameters[0], $message);
	}

	/**
	 * Replace all place-holders for the after rule.
	 *
	 * @param  string  $message
	 * @param  string  $attribute
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return string
	 */
	protected function replaceAfter($message, $attribute, $rule, $parameters)
	{
		return str_replace(':date', $parameters[0], $message);
	}

	/**
	 * Determine if the given attribute has a rule in the given set.
	 *
	 * @param  string  $attribute
	 * @param  array   $rules
	 * @return bool
	 */
	protected function hasRule($attribute, $rules)
	{
		// To determine if the attribute has a rule in the ruleset, we will spin
		// through each of the rules assigned to the attribute and parse them
		// all, then check to see if the parsed rules exists in the arrays.
		foreach ($this->rules[$attribute] as $rule)
		{
			list($rule, $parameters) = $this->parseRule($rule);

			if (in_array($rule, $rules)) return true;
		}

		return false;
	}

	/**
	 * Extract the rule name and parameters from a rule.
	 *
	 * @param  string  $rule
	 * @return array
	 */
	protected function parseRule($rule)
	{
		$parameters = array();

		// The format for specifying validation rules and parameters follows an
		// easy {rule}:{parameters} formatting convention. For instance the
		// rule "Max:3" states that the value may only be three letters.
		if (strpos($rule, ':') !== false)
		{
			list($rule, $parameter) = explode(':', $rule, 2);

			$parameters = $this->parseParameters($rule, $parameter);
		}

		return array(studly_case($rule), $parameters);
	}

	/**
	 * Parse a parameter list.
	 *
	 * @param  string  $rule
	 * @param  string  $parameter
	 * @return array
	 */
	protected function parseParameters($rule, $parameter)
	{
		if (strtolower($rule) == 'regex') return array($parameter);

		return str_getcsv($parameter);
	}

	/**
	 * Get the array of custom validator extensions.
	 *
	 * @return array
	 */
	public function getExtensions()
	{
		return $this->extensions;
	}

	/**
	 * Register an array of custom validator extensions.
	 *
	 * @param  array  $extensions
	 * @return void
	 */
	public function addExtensions(array $extensions)
	{
		$this->extensions = array_merge($this->extensions, $extensions);
	}

	/**
	 * Register an array of custom implicit validator extensions.
	 *
	 * @param  array  $extensions
	 * @return void
	 */
	public function addImplicitExtensions(array $extensions)
	{
		$this->addExtensions($extensions);

		foreach ($extensions as $rule => $extension)
		{
			$this->implicitRules[] = studly_case($rule);
		}
	}

	/**
	 * Register a custom validator extension.
	 *
	 * @param  string   $rule
	 * @param  Closure|string  $extension
	 * @return void
	 */
	public function addExtension($rule, $extension)
	{
		$this->extensions[$rule] = $extension;
	}

	/**
	 * Register a custom implicit validator extension.
	 *
	 * @param  string   $rule
	 * @param  Closure  $extension
	 * @return void
	 */
	public function addImplicitExtension($rule, Closure $extension)
	{
		$this->addExtension($rule, $extension);

		$this->implicitRules[] = studly_case($rule);
	}

	/**
	 * Get the data under validation.
	 *
	 * @return array
	 */
	public function getData()
	{
		return $this->data;
	}

	/**
	 * Set the data under validation.
	 *
	 * @param  array  $data
	 * @return void
	 */
	public function setData(array $data)
	{
		$this->data = $this->parseData($data);
	}

	/**
	 * Get the validation rules.
	 *
	 * @return array
	 */
	public function getRules()
	{
		return $this->rules;
	}

	/**
	 * Set the custom attributes on the validator.
	 *
	 * @param  array  $attributes
	 * @return \Illuminate\Validation\Validator
	 */
	public function setAttributeNames(array $attributes)
	{
		$this->customAttributes = $attributes;

		return $this;
	}

	/**
	 * Get the files under validation.
	 *
	 * @return array
	 */
	public function getFiles()
	{
		return $this->files;
	}

	/**
	 * Set the files under validation.
	 *
	 * @param  array  $files
	 * @return \Illuminate\Validation\Validator
	 */
	public function setFiles(array $files)
	{
		$this->files = $files;

		return $this;
	}

	/**
	 * Get the Presence Verifier implementation.
	 *
	 * @return \Illuminate\Validation\PresenceVerifierInterface
	 */
	public function getPresenceVerifier()
	{
		if ( ! isset($this->presenceVerifier))
		{
			throw new \RuntimeException("Presence verifier has not been set.");
		}

		return $this->presenceVerifier;
	}

	/**
	 * Set the Presence Verifier implementation.
	 *
	 * @param  \Illuminate\Validation\PresenceVerifierInterface  $presenceVerifier
	 * @return void
	 */
	public function setPresenceVerifier(PresenceVerifierInterface $presenceVerifier)
	{
		$this->presenceVerifier = $presenceVerifier;
	}

	/**
	 * Get the Translator implementation.
	 *
	 * @return \Symfony\Component\Translation\TranslatorInterface
	 */
	public function getTranslator()
	{
		return $this->translator;
	}

	/**
	 * Set the Translator implementation.
	 *
	 * @param \Symfony\Component\Translation\TranslatorInterface  $translator
	 * @return void
	 */
	public function setTranslator(TranslatorInterface $translator)
	{
		$this->translator = $translator;
	}

	/**
	 * Get the custom messages for the validator
	 *
	 * @return array
	 */
	public function getCustomMessages()
	{
		return $this->customMessages;
	}

	/**
	 * Set the custom messages for the validator
	 *
	 * @param array $messages
	 * @return void
	 */
	public function setCustomMessages(array $messages)
	{
		$this->customMessages = array_merge($this->customMessages, $messages);
	}

	/**
	 * Get the failed validation rules.
	 *
	 * @return array
	 */
	public function failed()
	{
		return $this->failedRules;
	}

	/**
	 * Get the message container for the validator.
	 *
	 * @return \Illuminate\Support\MessageBag
	 */
	public function messages()
	{
		return $this->messages;
	}

	/**
	 * An alternative more semantic shortcut to the message container.
	 *
	 * @return \Illuminate\Support\MessageBag
	 */
	public function errors()
	{
		return $this->messages;
	}

	/**
	 * Get the messages for the instance.
	 *
	 * @return \Illuminate\Support\MessageBag
	 */
	public function getMessageBag()
	{
		return $this->messages();
	}

	/**
	 * Set the IoC container instance.
	 *
	 * @param  \Illuminate\Container\Container  $container
	 * @return void
	 */
	public function setContainer(Container $container)
	{
		$this->container = $container;
	}

	/**
	 * Call a custom validator extension.
	 *
	 * @param  string  $rule
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function callExtension($rule, $parameters)
	{
		$callback = $this->extensions[$rule];

		if ($callback instanceof Closure)
		{
			return call_user_func_array($callback, $parameters);
		}
		elseif (is_string($callback))
		{
			return $this->callClassBasedExtension($callback, $parameters);
		}
	}

	/**
	 * Call a class baesd validator extension.
	 *
	 * @param  string  $callback
	 * @param  array   $parameters
	 * @return bool
	 */
	protected function callClassBasedExtension($callback, $parameters)
	{
		list($class, $method) = explode('@', $callback);

		return call_user_func_array(array($this->container->make($class), $method), $parameters);
	}

	/**
	 * Handle dynamic calls to class methods.
	 *
	 * @param  string  $method
	 * @param  array   $parameters
	 * @return mixed
	 */
	public function __call($method, $parameters)
	{
		$rule = snake_case(substr($method, 8));

		if (isset($this->extensions[$rule]))
		{
			return $this->callExtension($rule, $parameters);
		}

		throw new \BadMethodCallException("Method [$method] does not exist.");
	}

}

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