Added utility class

src/Bandolier/Type/Strings.php

@@ -124,6 +124,7 @@ public static function contains($haystack, $needle, $caseSensitive = true)
                     return true;
                 }
             }
+
             return false;
         }
 

src/Bandolier/Type/Utility.php

@@ -0,0 +1,37 @@
+<?php
+/**
+ * Utility
+ *
+ * Created 5/31/17 4:33 PM
+ * Utility class
+ *
+ * @author Nate Nolting <naten@paulbunyan.net>
+ * @package Pbc\Bandolier\Type
+ */
+
+namespace Pbc\Bandolier\Type;
+
+
+class Utility
+{
+
+    /**
+     * Grab IP from host
+     * http://www.php.net/manual/en/function.gethostbyname.php#78965
+     * @param $address
+     * @return mixed
+     */
+    public static function lookUpHostIp($address)
+    {
+
+        $ipAddress = null;
+        $records = dns_get_record(trim($address));
+        foreach ($records as $record) {
+            if ($record['type'] == 'A') {
+                $ipAddress = $record['ip'];
+            }
+        }
+        return $ipAddress;
+    }
+}
+

src/Bandolier/helpers.php

@@ -17,14 +17,15 @@ function env($key, $default = null)
         if ($value === false) {
             return value($default);
         }
+
         $conditions = [
-            ['return' => true, 'checks' => 'true', '(true)', '"true"'],
-            ['return' => false, 'checks' => 'false', '(false)', '"false"'],
-            ['return' => null, 'checks' => 'null', '(null)', '"null"'],
-            ['return' => '', 'checks' => 'empty', '(empty)', '"empty"'],
+            ['return' => true, 'checks' => ['true', '(true)', '"true"']],
+            ['return' => false, 'checks' => ['false', '(false)', '"false"']],
+            ['return' => null, 'checks' => ['null', '(null)', '"null"']],
+            ['return' => '', 'checks' => ['empty', '(empty)', '"empty"']],
         ];
         for ($i=0, $iCount=count($conditions); $i < $iCount; $i++) {
-            if (Strings::contains($value, $conditions[$i]['checks'], false)) {
+            if (in_array($value, $conditions[$i]['checks'])) {
                 return $conditions[$i]['return'];
             }
         }

tests/Type/Utility/LookUpHostIpTest.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Pbc\Bandolier\Type;
+
+/**
+ * UtilityTest
+ *
+ * Created 5/31/17 4:42 PM
+ * Tests for the utility class
+ *
+ * @author Nate Nolting <naten@paulbunyan.net>
+ * @package ${NAMESPACE}
+ */
+
+
+/**
+ * Class UtilityTest
+ * @package Pbc\Bandolier\Type
+ */
+class LookUpHostIpTest extends \PHPUnit_Framework_TestCase
+{
+
+    /** @var  \Faker\Factory */
+    protected static $faker;
+
+    /**
+     *
+     */
+    protected function setUp()
+    {
+        parent::setUp();
+        self::$faker = \Faker\Factory::create();
+    }
+
+    /**
+     *
+     */
+    protected function tearDown()
+    {
+        parent::tearDown();
+    }
+
+    /**
+     * Test getting an ip from a domain name
+     */
+    public function testLookUpHostIpReturnsAnIpAddress()
+    {
+        $address = "paulbunyan.net";
+        $lookUp = Utility::lookUpHostIp($address);
+        $this->assertNotFalse(filter_var($lookUp, FILTER_VALIDATE_IP), "$lookUp is an ip address");
+    }
+
+    /**
+     * check that a fake domain name will not return an ip
+     */
+    public function testLookUpHostIpReturnsNullIfNoneFound()
+    {
+        $address = self::$faker->sha256.".com";
+        $lookUp = Utility::lookUpHostIp($address);
+        $this->assertNull($lookUp);
+
+    }
+}