Minor - code style

main/cron/cleanup.php

@@ -1,21 +1,30 @@
 <?php
 /**
- * Automatic cleanup procedure
+ * Automatic cleanup procedure. Cleans the archive directory of anything
+ * older than 7 days
  * @package chamilo.cron
  * @author Yannick Warnier <yannick.warnier@beeznest.com>
  */
 /**
  * Initialization
  */
-if (php_sapi_name() != 'cli') { exit; } //do not run from browser
+if (php_sapi_name() != 'cli') { 
+    exit; //do not run from browser
+}
 $dir = dirname(__FILE__);
 $a_dir = realpath($dir.'/../../archive/');
 $list = scandir($a_dir);
+// calculate 7 days
 $t = time()-(86400*7);
-foreach($list as $item) {
-	if (substr($item,0,1) == '.') { continue; }
+foreach ($list as $item) {
+    if (substr($item,0,1) == '.') {
+        continue;
+    }
     $stat = @stat($a_dir.'/'.$item);
-	if ($stat === false) { error_log('Cron task cannot stat '.$a_dir.'/'.$item); continue; }
+    if ($stat === false) {
+        error_log('Cron task cannot stat '.$a_dir.'/'.$item);
+        continue;
+    }
     if ($stat['mtime'] > $t) { //if the file is older than one week, delete
         recursive_delete($a_dir.'/'.$item);
     }
@@ -23,16 +32,14 @@ foreach($list as $item) {
 
 /**
  * Delete a file or recursively delete a directory
- *
  * @param string $str Path to file or directory
  */
 function recursive_delete($str){
-	if(is_file($str)){
+    if (is_file($str)) {
         return @unlink($str);
-	}
-	elseif(is_dir($str)){
+    } elseif (is_dir($str)) {
         $scan = glob(rtrim($str,'/').'/*');
-		foreach($scan as $index=>$path){
+        foreach ($scan as $index=>$path) {
             recursive_delete($path);
         }
         return @rmdir($str);