iCalEasyReader

Usage:

<?php
header( 'Content-Type: text/plain; charset=UTF-8' );
include ( 'iCalEasyReader.php' );
$ical = new iCalEasyReader();
$lines = $ical->load( file_get_contents( 'example2.ics' ) );
var_dump( $lines );
?>

Output:

array(4) {
  ["PRODID"]=>
  string(48) "-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN"
  ["VERSION"]=>
  string(3) "2.0"
  ["VTIMEZONE"]=>
  array(3) {
    [0]=>
    array(2) {
      ["TZID"]=>
      string(13) "Europe/Berlin"
      ["X-LIC-LOCATION"]=>
      string(13) "Europe/Berlin"
    }
    ["DAYLIGHT"]=>
    array(1) {
      [0]=>
      array(5) {
        ["TZOFFSETFROM"]=>
        string(5) "+0100"
        ["TZOFFSETTO"]=>
        string(5) "+0200"
        ["TZNAME"]=>
        string(4) "CEST"
        ["DTSTART"]=>
        string(15) "19700329T020000"
        ["RRULE"]=>
        array(3) {
          ["FREQ"]=>
          string(6) "YEARLY"
          ["BYDAY"]=>
          string(4) "-1SU"
          ["BYMONTH"]=>
          string(1) "3"
        }
      }
    }
    ["STANDARD"]=>
    array(1) {
      [0]=>
      array(5) {
        ["TZOFFSETFROM"]=>
        string(5) "+0200"
        ["TZOFFSETTO"]=>
        string(5) "+0100"
        ["TZNAME"]=>
        string(3) "CET"
        ["DTSTART"]=>
        string(15) "19701025T030000"
        ["RRULE"]=>
        array(3) {
          ["FREQ"]=>
          string(6) "YEARLY"
          ["BYDAY"]=>
          string(4) "-1SU"
          ["BYMONTH"]=>
          string(2) "10"
        }
      }
    }
  }
  ["VEVENT"]=>
  array(1) {
    [0]=>
    array(9) {
      ["CREATED"]=>
      string(16) "20140107T092011Z"
      ["LAST-MODIFIED"]=>
      string(16) "20140107T121503Z"
      ["DTSTAMP"]=>
      string(16) "20140107T121503Z"
      ["UID"]=>
      string(36) "20f78720-d755-4de7-92e5-e41af487e4db"
      ["SUMMARY"]=>
      string(11) "Just a Test"
      ["DTSTART"]=>
      array(2) {
        ["value"]=>
        string(15) "20140102T110000"
        ["TZID"]=>
        string(13) "Europe/Berlin"
      }
      ["DTEND"]=>
      array(2) {
        ["value"]=>
        string(15) "20140102T120000"
        ["TZID"]=>
        string(13) "Europe/Berlin"
      }
      ["X-MOZ-GENERATION"]=>
      string(1) "4"
      ["DESCRIPTION"]=>
      &string(2298) "Here is a new Class: