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MDL-13310 added static cron cache into format_text() to prevent some db access; merged from MOODLE_19_STABLE

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skodak
2008-02-03 10:57:07 +00:00
parent f4528bdcfe
commit 1cc54a45d7
1 changed files with 24 additions and 0 deletions
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lib/weblib.php
+24
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@@ -1426,6 +1426,8 @@ function format_text($text, $format=FORMAT_MOODLE, $options=NULL, $courseid=NULL
global $CFG, $COURSE;
static $croncache = array();
if ($text === '') {
return ''; // no need to do any filters and cleaning
}
@@ -1460,8 +1462,21 @@ function format_text($text, $format=FORMAT_MOODLE, $options=NULL, $courseid=NULL
if (!empty($CFG->cachetext) and empty($options->nocache)) {
$time = time() - $CFG->cachetext;
$md5key = md5($text.'-'.(int)$courseid.'-'.current_language().'-'.(int)$format.(int)$options->trusttext.(int)$options->noclean.(int)$options->smiley.(int)$options->filter.(int)$options->para.(int)$options->newlines);
if (FULLME == 'cron') {
if (isset($croncache[$md5key])) {
return $croncache[$md5key];
}
}
if ($oldcacheitem = get_record_sql('SELECT * FROM '.$CFG->prefix.'cache_text WHERE md5key = \''.$md5key.'\'', true)) {
if ($oldcacheitem->timemodified >= $time) {
if (FULLME == 'cron') {
if (count($croncache) > 150) {
array_shift($croncache);
}
$croncache[$md5key] = $oldcacheitem->formattedtext;
}
return $oldcacheitem->formattedtext;
}
}
@@ -1542,6 +1557,15 @@ function format_text($text, $format=FORMAT_MOODLE, $options=NULL, $courseid=NULL
}
if (empty($options->nocache) and !empty($CFG->cachetext) and $CFG->currenttextiscacheable) {
if (FULLME == 'cron') {
// special static cron cache - no need to store it in db if its not already there
if (count($croncache) > 150) {
array_shift($croncache);
}
$croncache[$md5key] = $text;
return $text;
}
$newcacheitem = new object();
$newcacheitem->md5key = $md5key;
$newcacheitem->formattedtext = addslashes($text);