Do some phpcs reformatting for snapshot

lib/snapshot.php

@@ -49,14 +49,28 @@ if (!defined('LACONICA')) {
  *
  */
 
-class Snapshot {
+class Snapshot
-
+{
     var $stats = null;
 
+    /**
+     * Constructor for a snapshot
+     */
+
     function __construct()
     {
     }
 
+    /**
+     * Static function for reporting statistics
+     *
+     * This function checks whether it should report statistics, based on
+     * the current configuation settings. If it should, it creates a new
+     * Snapshot object, takes a snapshot, and reports it to headquarters.
+     *
+     * @return void
+     */
+
     static function check()
     {
         switch (common_config('snapshot', 'run')) {
@@ -93,6 +107,16 @@ class Snapshot {
         }
     }
 
+    /**
+     * Take a snapshot of the server
+     *
+     * Builds an array of statistical and configuration data based
+     * on the local database and config files. We avoid grabbing any
+     * information that could be personal or private.
+     *
+     * @return void
+     */
+
     function take()
     {
         $this->stats = array();
@@ -133,16 +157,26 @@ class Snapshot {
         $this->stats['timezone']  = common_config('site', 'timezone');
     }
 
+    /**
+     * Reports statistics to headquarters
+     *
+     * Posts statistics to a reporting server.
+     *
+     * @return void
+     */
+
     function report()
     {
         // XXX: Use OICU2 and OAuth to make authorized requests
 
         $postdata = http_build_query($this->stats);
 
-        $opts = array('http' =>
+        $opts =
+          array('http' =>
                 array(
                       'method'  => 'POST',
-                            'header'  => 'Content-type: application/x-www-form-urlencoded',
+                      'header'  => 'Content-type: '.
+                                   'application/x-www-form-urlencoded',
                       'content' => $postdata,
                       'user_agent' => 'Laconica/'.LACONICA_VERSION
                       )
@@ -155,18 +189,33 @@ class Snapshot {
         $result = file_get_contents($reporturl, false, $context);
     }
 
+    /**
+     * Updates statistics for a single table
+     *
+     * Determines the size of a table and its oldest and newest rows.
+     * Goal here is to see how active a site is. Note that it
+     * fills up the instance stats variable.
+     *
+     * @param string $table name of table to check
+     *
+     * @return void
+     */
+
     function tableStats($table)
     {
         $inst = DB_DataObject::Factory($table);
+
         $res = $inst->query('SELECT count(*) as cnt, '.
                             'min(created) as first, '.
                             'max(created) as last '.
                             'from ' . $table);
+
         if ($res) {
             $this->stats[$table.'count'] = $inst->cnt;
             $this->stats[$table.'first'] = $inst->first;
             $this->stats[$table.'last']  = $inst->last;
         }
+
         $inst->free();
         unset($inst);
     }