PHP , Hintergrund definieren

<?php

                 /////////////////////////////////////////////
	//Declare some variables
	//
	$calendar_script          = "calendar2.php"; //The location of this script  
	$calendar_language        = "ger";       //The extension of the calendar language file.  

	$content_background_color = "#535153";   //Background color of the column  
	$content_font_color       = "white";   //The font color  
	$content_font_size        = 10;          //Font-size in pixels
	$content_font_style       = "normal";    //Set to italic or normal  
	$content_font_weight      = "normal";    //Set to bold or normal  

	$today_background_color   = "white";   //Background color of the column  
	$today_font_color         = "#000000";     //The font color  
	$today_font_size          = 10;          //Font-size in pixels
	$today_font_style         = "normal";    //Set to italic or normal  
	$today_font_weight        = "bold";      //Set to bold or normal  

	$event_background_color   = "#DDDDDD";   //Background color of the column  
	$event_background_color2  = "#EEEEEE";   //Background color of the 2nd column (event popup)  
	$event_font_color         = "#000000";   //The font color  
	$event_font_size          = 10;          //Font-size in pixels
	$event_font_style         = "normal";    //Set to italic or normal  
	$event_font_weight        = "bold";      //Set to bold or normal  
  $event_popup_width        = "250";       //Width  of the popup for the events  
  $event_popup_height       = "350";       //Height of the popup for the events  
	
	$head_background_color    = "#DDDDDD";   //Background color of the column  
	$head_font_color          = "green";   //The font color  
	$head_font_size           = 11;          //Font-size in pixels
	$head_font_style          = "normal";    //Set to italic or normal  
	$head_font_weight         = "bold";      //Set to bold or normal  
	
	//darussol: CSS OPTIONS FOR WEEK DAYS
	$days_head_background_color = "#DDDDDD";   //Background color of the column  
	$days_head_font_color       = "gray";   //The font color  
	$days_head_font_size        = 11;          //Font-size in pixels
	$days_head_font_style       = "normal";    //Set to italic or normal  
	$days_head_font_weight      = "bold";      //Set to bold or normal  
	
	$table_border             = 0;           //The border of the table
	$table_cellspacing        = 1;           //Cellspacing of the table
	$table_cellpadding        = 2;           //Cellpadding of the table
	$table_width              = '';          //Table width in pixels or %'s  
	$table_height             = '';          //Table height in pixels or %'s  
	
	$head_link_color          = "green";    //The color of the link for previous/next month  
	
	$font_family = "Verdana";  
	
	/* 17 June 2004 : Check readme.txt for MySQL code for the database table */

	$events_from_database     = false;        //Set to true if you want to retrieve events
	$database                 = "database";  //Name of the database within the event_table  
  $server                   = "localhost"; //Name of the server  
  $username                 = "username";  //MySQL username  
  $password                 = "********";  //MySQL password  
  $event_table              = "calendar_events"; //Name of the calendar_events  
	//
	/////////////////////////////////////////////
	
	/////////////////////////////////////////////
	//Load the language into usable variables
	//

	//darussol: TRANSLATION (18 May 2004)
	//        : Fill in the names of the days/months in variables
	//e-man   : LOAD TRANSLATION FILE INTO VARIABLES (from darussol)(19 May 2004)
	//        : Put the days/months names from language file into a array	

	$language_file  = "calendar." . $calendar_language;	    //Language file into variable  
	$fd             = fopen( $language_file, "r" );             //Open the language file  
	$fd             = fread( $fd, filesize( $language_file ) ); //Read the opened file
	$language_array = explode( "\n" , $fd );                    //Put file info into array   

	$dayname   = array_slice($language_array,0,7); //The names of the days

	$monthname = array_slice($language_array,7);   //The rest of the language file are the monthnames
	//
	/////////////////////////////////////////////


	/////////////////////////////////////////////
	//Use the date to build up the calendar. From the Query_string or the current date
	//	
	if( isset( $_GET['date'] ) )  
		list($month,$year) = explode("-",$_GET['date']);  
	else
	{
		$month = date("m");  
		$year  = date("Y");  
	}
	//
	/////////////////////////////////////////////

	$date_string = mktime(0,0,0,$month,1,$year); //The date string we need for some info... saves space ^_^

	$day_start = date("w",$date_string);  //The number of the 1st day of the week  

	/////////////////////////////////////////////
	//Filter the current $_GET['date'] from the QUERY_STRING  
	//
	$QUERY_STRING = ereg_replace("&date=".$month."-".$year,"",$_SERVER['QUERY_STRING']);  
	//
	/////////////////////////////////////////////
	

	/////////////////////////////////////////////
	//Calculate the previous/next month/year
	//
	if( $month < 12 )
	{
		$next_month = $month+1;
		$next_date = $next_month."-".$year;  
	}
	else
	{
		$next_year = $year+1;
		$next_date = "1-".$next_year;  
		$next_month = 1;
	}
	if( $month > 1 )
	{
		$previous_month = $month-1;
		$next_month    = $month+1;
		$previous_date = $previous_month."-".$year;  
	}
	else
	{
		$previous_year = $year-1;
		$previous_date = "12-".$previous_year;  
		$previous_month = 12;
	}
	//
	/////////////////////////////////////////////

	// darussol: DEFINITION OF THETRANSLATED MONTH+YEAR TO BE USED IN THE TABLE AND INFO-TITLES (18 May 2004)
	// e-man   : USING THE VALUES OF THE PREVIOUS AND NEXT MONTH FOR THE TITLE DAY (19 May 2004);
	$table_caption_prev = $monthname[$previous_month-1] . " " . $year; // previous  
	$table_caption      = $monthname[date("n",$date_string)-1] . " " . $year; // current  
  if ($next_month == 13){
    $next_month = 1;
    $year++;
  }
	$table_caption_foll = $monthname[$next_month-1] . " " . $year;   // following  
	
	/////////////////////////////////////////////
	//Print the calendar css code
	//
  echo "  
		<style type=\"text/css\">  
			a.cal_head
			{
				color: " . $head_link_color . ";  
			}
			a.cal_head:hover
			{
				text-decoration: none;
			}
			.cal_head
			{
				background-color: " . $head_background_color . ";  
				color:            " . $head_font_color . ";  
				font-family:      " . $font_family . ";  
				font-size:        " . $head_font_size . ";  
				font-weight:      " . $head_font_weight . ";  
				font-style:       " . $head_font_style . ";  
			}
			.cal_days /*darussol*/
			{
				background-color: " . $days_head_background_color . ";  
				color:            " . $days_head_font_color . ";  
				font-family:      " . $font_family . ";  
				font-size:        " . $days_head_font_size . ";  
				font-weight:      " . $days_head_font_weight . ";  
				font-style:       " . $days_head_font_style . ";  
			}
			.cal_content
			{
				background-color: " . $content_background_color . ";  
				color:            " . $content_font_color . ";  
				font-family:      " . $font_family . ";  
				font-size:        " . $content_font_size . ";  
				font-weight:      " . $content_font_weight . ";  
				font-style:       " . $content_font_style . ";  
			}
			.cal_today
			{
				background-color: " . $today_background_color . ";  
				color:            " . $today_font_color . ";  
				font-family:      " . $font_family . ";  
				font-size:        " . $today_font_size . ";  
				font-weight:      " . $today_font_weight . ";  
				font-style:       " . $today_font_style . ";  
			}
 			.cal_event, a.cal_event /* e-man 17-06-04 */
			{
				background-color: " . $event_background_color . ";  
				color:            " . $event_font_color . ";  
				font-family:      " . $font_family . ";  
				font-size:        " . $event_font_size . ";  
				font-weight:      " . $event_font_weight . ";  
				font-style:       " . $event_font_style . ";  
			}
		</style>
  ";  
	//
	/////////////////////////////////////////////
	

	/////////////////////////////////////////////
	//show events in popup?
	//
	if (isset ($_GET['show_event'])){  
    list ($year, $month, $day) = explode ("-", $_GET['event_date']);  
    $query = "  
      SELECT *
      FROM " . $event_table . "  
      WHERE EventYear  = '" . $year . "'  
      AND   EventMonth = '" . $month . "'  
      AND   EventDay   = '" . $day . "'  
      ORDER BY EventTime ASC
    ";  

    /* connect to the database */
    $database_connection = mysql_connect ($server, $username, $password);
    mysql_select_db ($database, $database_connection);
    $result = mysql_query ($query) or die(mysql_error());

    /* initize the variabele color_alternated (boolean) */
    $color_alternated = false;

    /* header of the table */
    echo "<table width=\"100%\" border=\"" . $table_border . "\" cellpadding=\"" . $table_cellpadding . "\" cellspacing=\"" . $table_cellspacing . "\">";  

    $date_string = mktime(0,0,0,$month,$day,$year);
    $month = sprintf("%01d",$month);  

    echo "<tr><td align=\"center\" class=\"cal_head\" colspan=\"2\">".$day." " . $monthname[$month] . " ".$year."</td></tr>";  

    /* loop through the results via a mysql_fetch_assoc () */
    while ($record = mysql_fetch_assoc ($result)){
      if ($color_alternated){
        $color_alternated = false;
        $background_color_row = $event_background_color;
      }
      else{
        $color_alternated = true;
        $background_color_row = $event_background_color2;
      }
      echo "<tr class=\"cal_event\">  
              <td style=\"background-color:".$background_color_row."\" width=\"1\">" . $record['EventTime'] . "</td>  
              <td style=\"background-color:".$background_color_row."\">" . nl2br($record['Event']) . "</td>  
            </tr>";  
    }
    /* close the table */
    echo "</table>";  

    /* bring an exit so the script will terminate*/
    exit;
	}
	//
	/////////////////////////////////////////////
	
	/////////////////////////////////////////////
	//Print the calendar table header
	//
	echo "  
		<script language=\"javascript\">  
      function open_event(date_stamp){
        window.open(\"" . $calendar_script . "?show_event=true&event_date=\" + date_stamp, \"calendar_popup\",\"height=" . $event_popup_height . ",width=".$event_popup_width."\");  
      }
		</script>
		<table border=\"" . $table_border . "\" cellpadding=\"" . $table_cellpadding . "\" cellspacing=\"" . $table_cellspacing . "\" style=\"height:" . $table_height . "\" width=\"" . $table_width . "\">  
			<tr>
				<td align=\"center\" class=\"cal_head\"><a class=\"cal_head\" href=\"" . $_SERVER['PHP_SELF'] . "?" . $QUERY_STRING . "&amp;date=" .  
                $previous_date . "\" title=\"" . $table_caption_prev . "\">&laquo;</a></td>  
				<td align=\"center\" class=\"cal_head\" colspan=\"5\">" . $table_caption . "</td>  
				<td align=\"center\" class=\"cal_head\"><a class=\"cal_head\" href=\"" . $_SERVER['PHP_SELF'] . "?" . $QUERY_STRING . "&amp;date=" .  
                $next_date . "\" title=\"" . $table_caption_foll . "\">&raquo;</a></td>  
			</tr>
			<tr>
				<td class=\"cal_days\">".$dayname."</td>  
				<td class=\"cal_days\">".$dayname[1]."</td>  
				<td class=\"cal_days\">".$dayname[2]."</td>  
				<td class=\"cal_days\">".$dayname[3]."</td>  
				<td class=\"cal_days\">".$dayname[4]."</td>  
				<td class=\"cal_days\">".$dayname[5]."</td>  
				<td class=\"cal_days\">".$dayname[6]."</td>  
			</tr><tr>
			";  
	//
	/////////////////////////////////////////////
	
	/////////////////////////////////////////////
	//The empty columns before the 1st day of the week
	//
	for( $i = 0 ; $i < $day_start; $i++ )
	{
		echo "<td class=\"cal_content\">&nbsp;</td>";  
	}
	//
	/////////////////////////////////////////////
	
	$current_position = $day_start; //The current (column) position of the current day from the loop
	
	$total_days_in_month = date("t",$date_string); //The total days in the month for the end of the loop  

	/////////////////////////////////////////////
	//Retrieve events for the current month + year
	//e-man : added 07 June 04
  if ($events_from_database)
  {
    $database_connection = mysql_connect ($server, $username, $password);
    mysql_select_db ($database, $database_connection);
    $result = mysql_query("  
      SELECT *
      FROM " . $event_table . "  
      WHERE
        EventYear = '" . $year . "'  
      AND
        EventMonth = '" . $month . "'  
    ");  
    while ($record = mysql_fetch_assoc($result)){
      $event[$record['EventDay']] = $record;  
    }
  }
	//
	/////////////////////////////////////////////

	/////////////////////////////////////////////
	//Loop all the days from the month
	//
	for( $i = 1; $i <= $total_days_in_month ; $i++)
	{
		$class = "cal_content";  
		
		if( $i == date("j") && $month == date("n") && $year == date("Y") )  
			$class = "cal_today";  
		
		$current_position++;

    /* is there any event on this day? Yes, create a link. No clear the (previous) string */
		$link_start = "";  
		$link_end   = "";  


    /* if there is an event do */
		if( isset($event[$i]) )
    {
      $link_start = "<a href=\"javascript:;\" class=\"cal_event\" onclick=\"javascript: open_event('".$year."-".$month."-".$i."');\">";  
      $link_end   = "</a>";  
      $class      = "cal_event";  
    }

    /* for the event filter */
    /* e-man : added 07 June 04 */
    $date_stamp = $year."-".$month."-".sprintf( "%02d",$i);  
    
		echo "<td align=\"center\" class=\"" . $class . "\">" . $link_start . $i . $link_end . "</td>";  
		if( $current_position == 7 )
		{
			echo "</tr><tr>\n";  
			$current_position = 0;
		}
	}
	//
	/////////////////////////////////////////////
	
	$end_day = 7-$current_position; //There are 
	
	/////////////////////////////////////////////
	//Fill the last columns
	//	
	for( $i = 0 ; $i < $end_day ; $i++ )
		echo "<td class=\"cal_content\"></td>\n";  
	//
	/////////////////////////////////////////////
	
	echo "</tr></table>";  // Close the table  
?>