added same and different validation rules.

application/language/en/validation.php

@@ -29,6 +29,7 @@ return array(
 		"string"  => "The :attribute must be between :min - :max characters.",
 	),
 	"confirmed"      => "The :attribute confirmation does not match.",
+	"different"      => "The :attribute and :other must be different.",
 	"email"          => "The :attribute format is invalid.",
 	"exists"         => "The selected :attribute is invalid.",
 	"image"          => "The :attribute must be an image.",
@@ -49,6 +50,7 @@ return array(
 	"not_in"         => "The selected :attribute is invalid.",
 	"numeric"        => "The :attribute must be a number.",
 	"required"       => "The :attribute field is required.",
+	"same"           => "The :attribute and :other must match.",
 	"size"           => array(
 		"numeric" => "The :attribute must be :size.",
 		"file"    => "The :attribute must be :size kilobyte.",

laravel/validator.php

@@ -253,9 +253,7 @@ class Validator {
 	 */
 	protected function validate_confirmed($attribute, $value)
 	{
-		$confirmed = $attribute.'_confirmation';
-
-		return isset($this->attributes[$confirmed]) and $value == $this->attributes[$confirmed];
+		return $this->validate_same($attribute, $value, array($attribute.'_confirmation'));
 	}
 
 	/**
@@ -272,6 +270,36 @@ class Validator {
 		return $this->validate_required($attribute, $value) and ($value == 'yes' or $value == '1');
 	}
 
+	/**
+	 * Validate that an attribute is the same as another attribute.
+	 *
+	 * @param  string  $attribute
+	 * @param  mixed   $value
+	 * @param  array   $parameters
+	 * @return bool
+	 */
+	protected function validate_same($attribute, $value, $parameters)
+	{
+		$other = $parameters[0];
+
+		return isset($this->attributes[$other]) and $value == $this->attributes[$other];
+	}
+
+	/**
+	 * Validate that an attribute is different from another attribute.
+	 *
+	 * @param  string  $attribute
+	 * @param  mixed   $value
+	 * @param  array   $parameters
+	 * @return bool
+	 */
+	protected function validate_different($attribute, $value, $parameters)
+	{
+		$other = $parameters[0];
+
+		return isset($this->attributes[$other]) and $value != $this->attributes[$other];
+	}
+
 	/**
 	 * Validate that an attribute is numeric.
 	 *
@@ -727,7 +755,9 @@ class Validator {
 		// If no language line has been specified for the attribute, all of
 		// the underscores will be removed from the attribute name and that
 		// will be used as the attribtue name in the message.
-		$display = Lang::line("{$bundle}validation.attributes.{$attribute}")->get($this->language);
+		$line = "{$bundle}validation.attributes.{$attribute}";
+
+		$display = Lang::line($line)->get($this->language);
 
 		return (is_null($display)) ? str_replace('_', ' ', $attribute) : $display;
 	}