replacing is_integer() with is_int()

lib/Cake/Cache/Cache.php

@@ -366,7 +366,7 @@ class Cache {
 		}
 		$key = self::$_engines[$config]->key($key);
 
-		if (!$key || !is_integer($offset) || $offset < 0) {
+		if (!$key || !is_int($offset) || $offset < 0) {
 			return false;
 		}
 		$success = self::$_engines[$config]->increment($settings['prefix'] . $key, $offset);
@@ -394,7 +394,7 @@ class Cache {
 		}
 		$key = self::$_engines[$config]->key($key);
 
-		if (!$key || !is_integer($offset) || $offset < 0) {
+		if (!$key || !is_int($offset) || $offset < 0) {
 			return false;
 		}
 		$success = self::$_engines[$config]->decrement($settings['prefix'] . $key, $offset);

lib/Cake/Controller/Component/CookieComponent.php

@@ -398,7 +398,7 @@ class CookieComponent extends Component {
 			return $this->_expires = 0;
 		}
 
-		if (is_integer($expires) || is_numeric($expires)) {
+		if (is_int($expires) || is_numeric($expires)) {
 			return $this->_expires = $now + intval($expires);
 		}
 		return $this->_expires = strtotime($expires, $now);

lib/Cake/Network/CakeResponse.php

@@ -746,7 +746,7 @@ class CakeResponse {
  * @return void
  */
 	public function cache($since, $time = '+1 day') {
-		if (!is_integer($time)) {
+		if (!is_int($time)) {
 			$time = strtotime($time);
 		}
 		$this->header(array(
@@ -1008,7 +1008,7 @@ class CakeResponse {
 	protected function _getUTCDate($time = null) {
 		if ($time instanceof DateTime) {
 			$result = clone $time;
-		} elseif (is_integer($time)) {
+		} elseif (is_int($time)) {
 			$result = new DateTime(date('Y-m-d H:i:s', $time));
 		} else {
 			$result = new DateTime($time);

lib/Cake/Routing/Route/CakeRoute.php

@@ -219,7 +219,7 @@ class CakeRoute {
 			if (isset($route[$key])) {
 				continue;
 			}
-			if (is_integer($key)) {
+			if (is_int($key)) {
 				$route['pass'][] = $value;
 				continue;
 			}

lib/Cake/Utility/CakeTime.php

@@ -310,7 +310,7 @@ class CakeTime {
 			return false;
 		}
 
-		if (is_integer($dateString) || is_numeric($dateString)) {
+		if (is_int($dateString) || is_numeric($dateString)) {
 			$date = intval($dateString);
 		} elseif (is_object($dateString) && $dateString instanceof DateTime) {
 			$clone = clone $dateString;
@@ -589,7 +589,7 @@ class CakeTime {
 
 		if ($dateString instanceof DateTime) {
 			$date = $dateString;
-		} elseif (is_integer($dateString) || is_numeric($dateString)) {
+		} elseif (is_int($dateString) || is_numeric($dateString)) {
 			$dateString = (int)$dateString;
 
 			$date = new DateTime('@' . $dateString);

lib/Cake/Utility/Xml.php

@@ -174,7 +174,7 @@ class Xml {
 			throw new XmlException(__d('cake_dev', 'Invalid input.'));
 		}
 		$key = key($input);
-		if (is_integer($key)) {
+		if (is_int($key)) {
 			throw new XmlException(__d('cake_dev', 'The key of input must be alphanumeric'));
 		}