/**
* Shutdown function for detecting if the PHP script reaches the maximum execution time limit
* while importing a feed.
*
* @since 4.6.6
*/
function wprss_detect_exec_timeout()
{
// Get last error
if ($error = error_get_last()) {
// Check if it is an E_ERROR and if it is a max exec time limit error
if ($error['type'] === E_ERROR && stripos($error['message'], 'maximum execution') === 0) {
// If the importing process was running
if (array_key_exists('wprss_importing_feed', $GLOBALS) && $GLOBALS['wprss_importing_feed'] !== NULL) {
// Get the ID of the feed that was importing
$feed_ID = $GLOBALS['wprss_importing_feed'];
// Perform clean up
wprss_flag_feed_as_idle($feed_ID);
$msg = sprintf(__('The PHP script timed out while importing an item from this feed, after %d seconds.', WPRSS_TEXT_DOMAIN), wprss_get_item_import_time_limit());
update_post_meta($feed_ID, 'wprss_error_last_import', $msg);
// Log the error
wprss_log('The PHP script timed out while importing feed #' . $feed_ID, NULL, WPRSS_LOG_LEVEL_ERROR);
}
}
}
}
/**
* Returns whether or not the feed source is updating.
*
* @param (string|int) The id of the feed source
* @return (bool) TRUE if the feed source is currently updating, FALSE otherwise.
*
*/
function wprss_is_feed_source_updating($id)
{
// Get the 'updating' meta field
$is_updating_meta = get_post_meta($id, 'wprss_feed_is_updating', TRUE);
// Check if the feed has the 'updating' meta field set
if ($is_updating_meta === '') {
// If not, then the feed is not updating
return FALSE;
}
// Get the limit used for the feed
$limit = get_post_meta($id, 'wprss_limit', true);
if ($limit === '' || intval($limit) <= 0) {
$global_limit = wprss_get_general_setting('limit_feed_items_imported');
$limit = $global_limit === '' || intval($global_limit) <= 0 ? NULL : $global_limit;
}
// Calculate the allowed maximum time, based on the maximum number of items allowed to be
// imported from this source.
// If no limit is used, 60s (1min) is used.
$single_item_time_limit = wprss_get_item_import_time_limit();
$allowed_time = $limit === NULL ? 60 : $single_item_time_limit * intval($limit);
// Calculate how many seconds have passed since the feed last signalled that it is updating
$diff = time() - $is_updating_meta;
// If the difference is greater than the allowed maximum amount of time, mark the feed as idle.
if ($diff > $allowed_time) {
wprss_flag_feed_as_idle($id);
// Feed is not updating
return FALSE;
}
// Feed is updating
return TRUE;
}
