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Add expiration for transients

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git-svn-id: https://develop.svn.wordpress.org/trunk@10603 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2009-02-20 02:23:11 +00:00
parent f90ad3f54d
commit 999851f2cb
2 changed files with 31 additions and 23 deletions
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wp-includes/functions.php
+26 -5
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@@ -665,6 +665,17 @@ function get_transient($transient) {
$value = wp_cache_get($transient, 'transient');
} else {
$transient_option = '_transient_' . $wpdb->escape($transient);
// If option is not in alloptions, it is not autoloaded and thus has a timeout
$alloptions = wp_load_alloptions();
if ( !isset( $alloptions[$transient_option] ) ) {
$transient_timeout = '_transient_timeout_' . $wpdb->escape($transient);
if ( get_option($transient_timeout) > time() ) {
delete_option($transient_option);
delete_option($transient_timeout);
return false;
}
}
$value = get_option($transient_option);
}
@@ -683,20 +694,30 @@ function get_transient($transient) {
*
* @param string $transient Transient name. Expected to not be SQL-escaped
* @param mixed $value Transient value.
* @param int $expiration Time until expiration in seconds, default 0
* @return bool False if value was not set and true if value was set.
*/
function set_transient($transient, $value) {
function set_transient($transient, $value, $expiration = 0) {
global $_wp_using_ext_object_cache, $wpdb;
if ( $_wp_using_ext_object_cache ) {
return wp_cache_set($transient, $value, 'transient');
return wp_cache_set($transient, $value, 'transient', $expiration);
} else {
$transient_timeout = '_transient_timeout_' . $transient;
$transient = '_transient_' . $transient;
$safe_transient = $wpdb->escape($transient);
if ( false === get_option( $safe_transient ) )
return add_option($transient, $value, '', 'no');
else
if ( false === get_option( $safe_transient ) ) {
$autoload = 'yes';
if ( 0 != $expiration ) {
$autoload = 'no';
add_option($transient_timeout, time() + $expiration, '', 'no');
}
return add_option($transient, $value, '', $autoload);
} else {
if ( 0 != $expiration )
update_option($transient_timeout, time() + $expiration);
return update_option($transient, $value);
}
}
}