[zendframework/zendframework#5295] consistent version checking

- use PHP_VERSION_ID always
- comparison should be against integers

src/View/Helper/DateFormat.php

@@ -90,7 +90,7 @@ public function __invoke(
         }
 
         // DateTime support for IntlDateFormatter::format() was only added in 5.3.4
-        if ($date instanceof DateTime && version_compare(PHP_VERSION, '5.3.4', '<')) {
+        if ($date instanceof DateTime && (PHP_VERSION_ID < 50304)) {
             $date = $date->getTimestamp();
         }
 
@@ -134,7 +134,7 @@ public function setTimezone($timezone)
         $this->timezone = (string) $timezone;
 
         // The method setTimeZoneId is deprecated as of PHP 5.5.0
-        $setTimeZoneMethodName = (PHP_VERSION_ID < '50500') ? 'setTimeZoneId' : 'setTimeZone';
+        $setTimeZoneMethodName = (PHP_VERSION_ID < 50500) ? 'setTimeZoneId' : 'setTimeZone';
 
         foreach ($this->formatters as $formatter) {
             $formatter->$setTimeZoneMethodName($this->timezone);