diff --git a/plugins/php/php_errors b/plugins/php/php_errors
index 315c0f6f..4e7efe8e 100644
--- a/plugins/php/php_errors
+++ b/plugins/php/php_errors
@@ -1,28 +1,38 @@
 #!/bin/bash
-#
-# Plugin to monitor error.log from apache server.
-# Revision 0.1  2011/06/17 12:00:00  Ulrich Lusseau
-# Initial revision
-#
-# Parameters:
-#
-#       config   (required)
-#       autoconf (optional - used by munin-config)
-#
-# Magick markers (optional):
-#%# family=auto
-#%# capabilities=autoconf
-# config example for /etc/munin/plugin-conf.d/munin-node
-#[apache_log]
-#user www-data
-#env.logfile /home/newsite/logs/errors.log /var/log/php/otherlog.log
-#
- 
- 
+
+: << =cut
+
+=head1 NAME
+
+Plugin to monitor error.log from apache server
+
+=head1 CONFIGURATION
+
+[apache_log]
+	user www-data
+	env.logfile /home/newsite/logs/errors.log /var/log/php/otherlog.log
+
+=head1 AUTHOR
+
+Raphaël Droz <raphael.droz+floss@gmail.com>
+
+Revision 0.2  2016/03/23 22:00:00  Raphaël Droz
+Revision 0.1  2011/06/17 12:00:00  Ulrich Lusseau
+
+=head1 MAGICK MARKERS
+
+ #%# family=auto
+ #%# capabilities=autoconf
+
+=cut
+
+
+. $MUNIN_LIBDIR/plugins/plugin.sh
+
 LOGS=${logfile:-/var/log/apache2/error.log}
  
  
-if [ "$1" = "autoconf" ]; then
+if [[ $1 == autoconf ]]; then
     for LOG in $LOGS; do
 	if [[ ! -r $LOGS ]]; then
             echo no
@@ -34,7 +44,7 @@ if [ "$1" = "autoconf" ]; then
     exit 0
 fi
  
-if [ "$1" = "config" ]; then
+if [[ $1 == config ]]; then
         echo 'graph_title PHP Errors from ' $LOGS
         echo 'graph_args --base 1000 -l 0'
         echo 'graph_vlabel Errors'
@@ -44,10 +54,13 @@ if [ "$1" = "config" ]; then
         echo 'LogFile.label File does not exist errors'
         exit 0
 fi
- 
-awk 'BEGIN{c["LogWarning"]=0;c["LogNotice"]=0;c["LogFatal"]=0;c["LogFile"]=0; }
-     /PHP Warning/{c["LogWarning"]++}
-     /PHP Notice/{c["LogNotice"]++}
-     /PHP Fatal error/{c["LogFatal"]++}
-     /File does not exist/{c["LogFile"]++}
-     END{for(i in c){print i".value " c[i]} }' $LOGS
+
+awk -f - $LOGS <<EOF
+BEGIN { c["LogWarning"]=0; c["LogNotice"]=0; c["LogFatal"]=0; c["LogFile"]=0; }
+/PHP Warning/{         c["LogWarning"]++ }
+/PHP Notice/{          c["LogNotice"]++  }
+/PHP Fatal error/{     c["LogFatal"]++   }
+/File does not exist/{ c["LogFile"]++    }
+
+END{ for(i in c) { print i".value " c[i] } }
+EOF