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MDL-13316 added static cache for time zone info; merged from MOODLE_19_STABLE

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skodak 2008-02-03 16:01:33 +00:00
parent 1d36e84b4d
commit 6a5dc27c18
1 changed files with 7 additions and 3 deletions
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10
lib/moodlelib.php
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@ -1473,8 +1473,12 @@ function calculate_user_dst_table($from_year = NULL, $to_year = NULL) {
// Also, the array is sorted in descending timestamp order!
// Get DB data
$presetrecords = get_records('timezone', 'name', $usertz, 'year DESC', 'year, gmtoff, dstoff, dst_month, dst_startday, dst_weekday, dst_skipweeks, dst_time, std_month, std_startday, std_weekday, std_skipweeks, std_time');
if(empty($presetrecords)) {
static $presets_cache = array();
if (!isset($presets_cache[$usertz])) {
$presets_cache[$usertz] = get_records('timezone', 'name', $usertz, 'year DESC', 'year, gmtoff, dstoff, dst_month, dst_startday, dst_weekday, dst_skipweeks, dst_time, std_month, std_startday, std_weekday, std_skipweeks, std_time');
}
if(empty($presets_cache[$usertz])) {
return false;
}
@ -1485,7 +1489,7 @@ function calculate_user_dst_table($from_year = NULL, $to_year = NULL) {
// Add all required change timestamps
foreach($yearstoprocess as $y) {
// Find the record which is in effect for the year $y
foreach($presetrecords as $year => $preset) {
foreach($presets_cache[$usertz] as $year => $preset) {
if($year <= $y) {
break;
}