added validation message to language file for required_with

Signed-off-by: Jason Walton <jwalton512@gmail.com>

application/language/en/validation.php

@@ -58,6 +58,7 @@ return array(
 	"not_in"         => "The selected :attribute is invalid.",
 	"numeric"        => "The :attribute must be a number.",
 	"required"       => "The :attribute field is required.",
+    "required_with"  => "The :attribute field is required with :field",
 	"same"           => "The :attribute and :other must match.",
 	"size"           => array(
 		"numeric" => "The :attribute must be :size.",

laravel/tests/application/language/en/validation.php

@@ -50,6 +50,7 @@ return array(
 	"not_in"         => "The selected :attribute is invalid.",
 	"numeric"        => "The :attribute must be a number.",
 	"required"       => "The :attribute field is required.",
+    "required_with"  => "The :attribute field is required with :field",
 	"same"           => "The :attribute and :other must match.",
 	"size"           => array(
 		"numeric" => "The :attribute must be :size.",

laravel/tests/cases/validator.test.php

@@ -666,4 +666,24 @@ class ValidatorTest extends PHPUnit_Framework_TestCase {
 		$this->assertEquals($expect, $v->errors->first('test_attribute'));
 	}
 
+    /**
+     * Test required_with attribute names are replaced.
+     *
+     * @group laravel
+     */
+    public function testRequiredWithAttributesAreReplaced()
+    {
+        $lang = require path('app').'language/en/validation.php';
+
+        $data = array('first_name' => 'Taylor', 'last_name' => '');
+
+        $rules = array('first_name' => 'required', 'last_name' => 'required_with:first_name');
+
+        $v = Validator::make($data, $rules);
+        $v->valid();
+
+        $expect = str_replace(array(':attribute', ':field'), array('last name', 'first name'), $lang['required_with']);
+        $this->assertEquals($expect, $v->errors->first('last_name'));
+    }
+
 }

laravel/validator.php

@@ -864,6 +864,20 @@ class Validator {
 	}
 
 	/**
+	 * Replace all place-holders for the required_with rule.
+	 *
+	 * @param  string  $message
+	 * @param  string  $attribute
+	 * @param  string  $rule
+	 * @param  array   $parameters
+	 * @return string
+	 */
+	protected function replace_required_with($message, $attribute, $rule, $parameters)
+	{
+		return str_replace(':field', $this->attribute($parameters[0]), $message);
+	}
+
+	/**
 	 * Replace all place-holders for the between rule.
 	 *
 	 * @param  string  $message