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MDL-9399 moodlelib: set_config() deletes config entries if the value is NULL

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New! Improved! If you pass NULL as the value, it will delete the
config entry for you.
This commit is contained in:
martinlanghoff 2007-11-14 22:10:21 +00:00
parent f8bf0f4afc
commit 6fd511eb1c
1 changed files with 19 additions and 2 deletions
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21
lib/moodlelib.php
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@ -597,6 +597,8 @@ function clean_param($param, $type) {
* Can also be used to update keys for plugin-scoped configs in config_plugin table. * Can also be used to update keys for plugin-scoped configs in config_plugin table.
* In that case it doesn't affect $CFG. * In that case it doesn't affect $CFG.
* *
* A NULL value will delete the entry.
*
* @param string $name the key to set * @param string $name the key to set
* @param string $value the value to set (without magic quotes) * @param string $value the value to set (without magic quotes)
* @param string $plugin (optional) the plugin scope * @param string $plugin (optional) the plugin scope
@ -612,8 +614,16 @@ function set_config($name, $value, $plugin=NULL) {
$CFG->$name = $value; // So it's defined for this invocation at least $CFG->$name = $value; // So it's defined for this invocation at least
if (get_field('config', 'name', 'name', $name)) { if (get_field('config', 'name', 'name', $name)) {
return set_field('config', 'value', addslashes($value), 'name', $name); if ($value===null) {
unset($CFG->$name);
return delete_records('config', 'name', $name);
} else {
return set_field('config', 'value', addslashes($value), 'name', $name);
}
} else { } else {
if ($value===null) {
return true;
}
$config = new object(); $config = new object();
$config->name = $name; $config->name = $name;
$config->value = addslashes($value); $config->value = addslashes($value);
@ -621,8 +631,15 @@ function set_config($name, $value, $plugin=NULL) {
} }
} else { // plugin scope } else { // plugin scope
if ($id = get_field('config_plugins', 'id', 'name', $name, 'plugin', $plugin)) { if ($id = get_field('config_plugins', 'id', 'name', $name, 'plugin', $plugin)) {
return set_field('config_plugins', 'value', addslashes($value), 'id', $id); if ($value===null) {
return delete_records('config_plugins', 'name', $name, 'plugin', $plugin);
} else {
return set_field('config_plugins', 'value', addslashes($value), 'id', $id);
}
} else { } else {
if ($value===null) {
return true;
}
$config = new object(); $config = new object();
$config->plugin = addslashes($plugin); $config->plugin = addslashes($plugin);
$config->name = $name; $config->name = $name;