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Persistent variable table
by 蘇德宙, 2011-03-01 11:24, 人氣(1525)
儲存系統的設定, bootstrap.inc
/**
* Load the persistent variable table.
*
* The variable table is composed of values that have been saved in the table
* with variable_set() as well as those explicitly specified in the configuration
* file.
*/
function variable_init($conf = array()) {
if ($cached = cache_get('variables', 'cache')) {
$variables = $cached->data;
}
else {
$result = db_query('SELECT * FROM {variable}');
while ($variable = db_fetch_object($result)) {
$variables[$variable->name] = unserialize($variable->value);
}
cache_set('variables', $variables);
}
* Load the persistent variable table.
*
* The variable table is composed of values that have been saved in the table
* with variable_set() as well as those explicitly specified in the configuration
* file.
*/
function variable_init($conf = array()) {
if ($cached = cache_get('variables', 'cache')) {
$variables = $cached->data;
}
else {
$result = db_query('SELECT * FROM {variable}');
while ($variable = db_fetch_object($result)) {
$variables[$variable->name] = unserialize($variable->value);
}
cache_set('variables', $variables);
}
foreach ($conf as $name => $value) {
$variables[$name] = $value;
}
$variables[$name] = $value;
}
return $variables;
}
}
function variable_get($name, $default) {
global $conf;
global $conf;
return isset($conf[$name]) ? $conf[$name] : $default;
}
}
function variable_set($name, $value) {
global $conf;
global $conf;
$serialized_value = serialize($value);
db_query("UPDATE {variable} SET value = '%s' WHERE name = '%s'", $serialized_value, $name);
if (!db_affected_rows()) {
@db_query("INSERT INTO {variable} (name, value) VALUES ('%s', '%s')", $name, $serialized_value);
}
db_query("UPDATE {variable} SET value = '%s' WHERE name = '%s'", $serialized_value, $name);
if (!db_affected_rows()) {
@db_query("INSERT INTO {variable} (name, value) VALUES ('%s', '%s')", $name, $serialized_value);
}
cache_clear_all('variables', 'cache');
$conf[$name] = $value;
}
}