get_OS() function added

php/utils.php

@@ -573,3 +573,32 @@ function get_named_sem_ver( $new_version, $original_version ) {
 function get_flag_value( $args, $flag, $default = null ) {
 	return isset( $args[ $flag ] ) ? $args[ $flag ] : $default;
 }
+
+/**
+ * Return OS Information
+ * @return array
+ */
+function get_OS(){
+
+	if (strtolower(substr(PHP_OS, 0, 5)) === 'linux')
+	{
+		$vars = array();
+		$files = glob('/etc/*-release');
+		foreach ($files as $file)
+		{
+			$lines = array_filter(array_map(function($line) {
+				// split value from key
+				$parts = explode('=', $line);
+				// makes sure that "useless" lines are ignored (together with array_filter)
+				if (count($parts) !== 2) return false;
+				// remove quotes, if the value is quoted
+				$parts[1] = str_replace(array('"', "'"), '', $parts[1]);
+				return $parts;
+			}, file($file)));
+			foreach ($lines as $line)
+				$vars[$line[0]] = $line[1];
+		}
+	}
+	return $vars ;
+}
+