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iCalReader add-on for Concerts and events

/ Published in: PHP
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You can find the ical reader here: http://www.phps.com/scripts/iCalReader.php

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  1. <table id="cal">
  2.  
  3. 	<?php
  4. 	# you need the iCalReader found here:
  5. 	# http://www.phps.com/scripts/iCalReader.php
  6.  
  7. 	 // These define() lines go at the top of the script
  8. 	define('DTSTART', 'DTSTART;TZID=Europe/Oslo');
  9. 	# set the number of events you want to show
  10. 	define('MAX_EVENTS', 100); 
  11.  
  12. 	// Use the DTSTART constant in the compare_date() function
  13.  
  14. 	require_once 'iCalReader.php';
  15.  
  16. 	$ical = new iCalReader('konserter.ics');
  17. 	$meta = $ical->getMeta();
  18. 	$events = $ical->getEvents();
  19.  
  20. 	#compare dates function
  21. 	function compare_date($a, $b)
  22. 	{
  23. 	  return strnatcmp($a['DTSTART;TZID=Europe/Oslo'], $b['DTSTART;TZID=Europe/Oslo']);
  24. 	}
  25.  
  26. 	# sort arrays after the dates
  27. 	usort($events, 'compare_date');
  28.  
  29.  
  30.  
  31. 	// Get and sort the events here
  32.  
  33. 	// This needs to be calculated only once, so put it outside the loop
  34. 	$today = date('Ymd');
  35.  
  36. 	// Save the count to a variable to avoid unnecessary calculations
  37. 	$count = count($events);
  38.  
  39. 	// Loop through all events until either there are no more events or
  40. 	// the maximum number of recent events has been found
  41. 	for ($row = 0, $hits = 0; $row < $count && $hits < MAX_EVENTS; $row++) {
  42.  
  43. 	    // It's possible that some events will not have the appropriate key,
  44. 	    // so skip those events
  45. 	    if (! array_key_exists(DTSTART, $events[$row])) {
  46. 	        continue;
  47. 	    }
  48.  
  49. 	    $date = substr($events[$row][DTSTART], 0, 8);
  50.  
  51. 	    if ($date >= $today) {
  52.  
  53. 	        // Increment the number of events found
  54. 	        $hits++;
  55.  
  56. 	        // Move these operations inside this block to avoid unnecessary calculations
  57. 	        $year  = substr($events[$row][DTSTART], 0, 4);
  58. 	        $month = substr($events[$row][DTSTART], 4, 2);
  59. 	        $day   = substr($events[$row][DTSTART], 6, 2);
  60. 	      //$time  = substr($events[$row][DTSTART], 9, 4); // Unused?
  61.  
  62. 	        // This looks cleaner (in my opinion), but the format does not matter
  63. 	        echo '<tr>'
  64. 	           . '<td class="summary">' . $events[$row]['SUMMARY'] . '</td>'
  65. 	           . '<td class="date">'
  66. 	           . '<span class="day">'   . $day   . '/</span>'
  67. 	           . '<span class="month">' . $month . '/</span>'
  68. 	           . '<span class="year">'  . $year  .  '</span>'
  69. 	           . '</td>'
  70. 	           . '</tr>' . "\n";
  71. 	    }
  72. 	}	?>
  73. </table>

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