Reformat SimpleSAML_Stats.

lib/SimpleSAML/Stats.php

 <?php
 
+
 /**
  * Statistics handler class.
  *
@@ -7,87 +8,94 @@
  *
  * @package SimpleSAMLphp
  */
-class SimpleSAML_Stats {
-
-	/**
-	 * Whether this class is initialized.
-	 *
-	 * @var boolean
-	 */
-	private static $initialized = FALSE;
-
-
-	/**
-	 * The statistics output callbacks.
-	 *
-	 * @var array
-	 */
-	private static $outputs = NULL;
-
-
-	/**
-	 * Create an output from a configuration object.
-	 *
-	 * @param SimpleSAML_Configuration $config The configuration object.
-	 * @return mixed A new instance of the configured class.
-	 */
-	private static function createOutput(SimpleSAML_Configuration $config) {
-		$cls = $config->getString('class');
-		$cls = SimpleSAML_Module::resolveClass($cls, 'Stats_Output', 'SimpleSAML_Stats_Output');
-
-		$output = new $cls($config);
-		return $output;
-	}
-
-
-	/**
-	 * Initialize the outputs.
-	 */
-	private static function initOutputs() {
-
-		$config = SimpleSAML_Configuration::getInstance();
-		$outputCfgs = $config->getConfigList('statistics.out', array());
-
-		self::$outputs = array();
-		foreach ($outputCfgs as $cfg) {
-			self::$outputs[] = self::createOutput($cfg);
-		}
-	}
-
-
-	/**
-	 * Notify about an event.
-	 *
-	 * @param string $event The event.
-	 * @param array $data Event data. Optional.
-	 */
-	public static function log($event, array $data = array()) {
-		assert('is_string($event)');
-		assert('!isset($data["op"])');
-		assert('!isset($data["time"])');
-		assert('!isset($data["_id"])');
-
-		if (!self::$initialized) {
-			self::initOutputs();
-			self::$initialized = TRUE;
-		}
-
-		if (empty(self::$outputs)) {
-			/* Not enabled. */
-			return;
-		}
-
-		$data['op'] = $event;
-		$data['time'] = microtime(TRUE);
-
-		/* The ID generation is designed to cluster IDs related in time close together. */
-		$int_t = (int)$data['time'];
-		$hd = openssl_random_pseudo_bytes(16);
-		$data['_id'] = sprintf('%016x%s', $int_t, bin2hex($hd));
-
-		foreach (self::$outputs as $out) {
-			$out->emit($data);
-		}
-	}
+class SimpleSAML_Stats
+{
+
+    /**
+     * Whether this class is initialized.
+     *
+     * @var boolean
+     */
+    private static $initialized = false;
+
+
+    /**
+     * The statistics output callbacks.
+     *
+     * @var array
+     */
+    private static $outputs = null;
+
+
+    /**
+     * Create an output from a configuration object.
+     *
+     * @param SimpleSAML_Configuration $config The configuration object.
+     *
+     * @return mixed A new instance of the configured class.
+     */
+    private static function createOutput(SimpleSAML_Configuration $config)
+    {
+        $cls = $config->getString('class');
+        $cls = SimpleSAML_Module::resolveClass($cls, 'Stats_Output', 'SimpleSAML_Stats_Output');
+
+        $output = new $cls($config);
+        return $output;
+    }
+
+
+    /**
+     * Initialize the outputs.
+     */
+    private static function initOutputs()
+    {
+
+        $config = SimpleSAML_Configuration::getInstance();
+        $outputCfgs = $config->getConfigList('statistics.out', array());
+
+        self::$outputs = array();
+        foreach ($outputCfgs as $cfg) {
+            self::$outputs[] = self::createOutput($cfg);
+        }
+    }
+
+
+    /**
+     * Notify about an event.
+     *
+     * @param string $event The event.
+     * @param array  $data Event data. Optional.
+     *
+     * @return void|boolean False if output is not enabled, void otherwise.
+     */
+    public static function log($event, array $data = array())
+    {
+        assert('is_string($event)');
+        assert('!isset($data["op"])');
+        assert('!isset($data["time"])');
+        assert('!isset($data["_id"])');
+
+        if (!self::$initialized) {
+            self::initOutputs();
+            self::$initialized = true;
+        }
+
+        if (empty(self::$outputs)) {
+            // not enabled
+            return;
+        }
+
+        $data['op'] = $event;
+        $data['time'] = microtime(true);
+
+        // the ID generation is designed to cluster IDs related in time close together
+        $int_t = (int) $data['time'];
+        $hd = openssl_random_pseudo_bytes(16);
+        $data['_id'] = sprintf('%016x%s', $int_t, bin2hex($hd));
+
+        foreach (self::$outputs as $out) {
+            $out->emit($data);
+        }
+    }
 
 }