fix(core) Remove unused debug functions causing codesniffer warnings

issue #6167

include/functions_debug.inc

@@ -17,16 +17,6 @@
 *   if mode is defined the function returns the output instead of
 *   printing it to the browser
 *
-* show_vars([int mode])
-*   use this function on the bottom of your script to see all
-*   superglobals and global variables in your script in a nice
-*   formated way
-*
-*   show_vars() without parameter shows $_GET, $_POST, $_SESSION,
-*   $_FILES and all global variables you've defined in your script
-*
-*   show_vars(1) shows $_SERVER and $_ENV in addition
-*
 * Happy debugging and feel free to email me your comments.
 *
 * History: (starting with version 0.5.3 at 2003-02-24)
@@ -36,15 +26,6 @@
 *   - pre() function now trims trailing tabs
 ----------------------------------------------------------------------*/
 
-
-// This file must be the first include on your page.
-
-/* used for tracking of generation-time */
-{
-  $MICROTIME_START = microtime();
-  @$GLOBALS_initial_count = count($GLOBALS);
-}
-
 /*!
  * \file functions_debug.inc
  * Source code for print_a class
@@ -251,94 +232,3 @@ function print_a ($array, $return_mode = FALSE, $show_object_vars = FALSE, $expo
     return TRUE;
   }
 }
-
-function _script_globals ()
-{
-  global $GLOBALS_initial_count;
-
-  $varcount = 0;
-
-  foreach ($GLOBALS as $GLOBALS_current_key => $GLOBALS_current_value) {
-    if ((++$varcount > $GLOBALS_initial_count)
-      && ($GLOBALS_current_key != 'HTTP_SESSION_VARS')
-      && ($GLOBALS_current_key != '_SESSION')) {
-      $script_GLOBALS[$GLOBALS_current_key] = $GLOBALS_current_value;
-    }
-  }
-
-  unset($script_GLOBALS['GLOBALS_initial_count']);
-  return $script_GLOBALS;
-}
-
-/*!
- * \brief Show the runtime
- */
-function show_runtime ()
-{
-  $MICROTIME_END    = microtime();
-  $MICROTIME_START  = explode(' ', $GLOBALS['MICROTIME_START']);
-  $MICROTIME_END    = explode(' ', $MICROTIME_END);
-  $GENERATIONSEC    = $MICROTIME_END[1] - $MICROTIME_START[1];
-  $GENERATIONMSEC   = $MICROTIME_END[0] - $MICROTIME_START[0];
-  $GENERATIONTIME   = substr($GENERATIONSEC + $GENERATIONMSEC, 0, 8);
-
-  return '<span style="color:red;font-weight:normal;font-size:9px;">(runtime: '.$GENERATIONTIME.' sec)</span>';
-}
-
-
-/*!
- * \brief function shows all superglobals and script defined global variables
- * show_vars() without the first parameter shows all superglobals except $_ENV and $_SERVER
- * show_vars(1) shows all
- * show_vars(,1) shows object properties in addition
- */
-function show_vars ($show_all_vars = FALSE, $show_object_vars = FALSE)
-{
-  if (isset($GLOBALS['no_vars'])) {
-    return;
-  }
-
-  $script_globals = _script_globals();
-  print '
-    <style type="text/css">
-    .vars-container {
-      font-family: Verdana, Arial, Helvetica, Geneva, Swiss, SunSans-Regular, sans-serif;
-      font-size: 8pt;
-      padding:5px;
-    }
-    .varsname {
-      font-weight:bold;
-    }
-    </style>
-  ';
-
-  print '<br />
-    <div style="border-style:dotted;border-width:1px;padding:2px;font-family:Verdana;font-size:10pt;font-weight:bold;">
-    DEBUG '.show_runtime().'
-  ';
-
-  $vars_arr['script_globals'] = ['global script variables', '#7ACCC8'];
-
-  $vars_arr['_GET']     = ['$_GET', '#7DA7D9'];
-  $vars_arr['_POST']    = ['$_POST', '#F49AC1'];
-  $vars_arr['_FILES']   = ['$_POST FILES', '#82CA9C'];
-  $vars_arr['_SESSION'] = ['$_SESSION', '#FCDB26'];
-  $vars_arr['_COOKIE']  = ['$_COOKIE', '#A67C52'];
-
-  if ($show_all_vars) {
-    $vars_arr['_SERVER']  = ['SERVER', '#A186BE'];
-    $vars_arr['_ENV']     = ['ENV', '#7ACCC8'];
-  }
-
-  foreach ($vars_arr as $vars_name => $vars_data) {
-    if ($vars_name != 'script_globals') {
-      global $$vars_name;
-    }
-    if ($$vars_name) {
-      print '<div class="vars-container" style="background-color:'.$vars_data[1].';"><span class="varsname">'.$vars_data[0].'</span><br />';
-      print_a($$vars_name, FALSE, $show_object_vars, FALSE);
-      print '</div>';
-    }
-  }
-  print '</div>';
-}