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Add E-tag to header in ical feed

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Brian Miyaji
2017-10-24 23:13:40 +11:00
parent e49141ccce
commit 585e791113
1 changed files with 7 additions and 0 deletions
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7
feeds/ical.php
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@@ -154,6 +154,13 @@ $output .= "END:VCALENDAR";
// Print headers // Print headers
header('Content-type: text/calendar; charset=utf-8'); header('Content-type: text/calendar; charset=utf-8');
// The E-Tag is not being changed when the output file is generated – Some Webdav clients do not like this and
// do not then 'see' that the file has changed – updates to the calendars are then not displayed to the user.
// Props @garygomm https://wordpress.org/support/topic/calendar-feed-issue-not-updating-after-change/
$etag = md5($output);
header('Etag:' . '"'.$etag.'"');
header('Content-Disposition: inline; filename=' . $post->post_name . '.ics'); header('Content-Disposition: inline; filename=' . $post->post_name . '.ics');
// Print content // Print content