/**
* Merge two arrays
*
* For duplicate keys, the following is done:
* - Nested arrays are recursively merged
* - Items in $array2 with INTEGER keys are appended
* - Items in $array2 with STRING keys overwrite current values
*
* @param array $array1
* @param array $array2
* @return array
*/
function utils_arrayMergeRecursive(array $array1, array $array2)
{
foreach ($array2 as $key => $value) {
if (array_key_exists($key, $array1)) {
if (is_int($key)) {
$array1[] = $value;
} elseif (is_array($value) && is_array($array1[$key])) {
$array1[$key] = utils_arrayMergeRecursive($array1[$key], $value);
} else {
$array1[$key] = $value;
}
} else {
$array1[$key] = $value;
}
}
return $array1;
}
/**
* Return plugin configuration from file
*
* @throws iMSCP_Plugin_Exception in case plugin configuration file is not readable
* @return array
*/
public final function getConfigFromFile()
{
$this->isLoadedConfig = false;
$pluginName = $this->getName();
$file = $this->getPluginManager()->pluginGetDirectory() . "/{$pluginName}/config.php";
$config = array();
if (@file_exists($file)) {
if (@is_readable($file)) {
$config = (include $file);
iMSCP_Utility_OpcodeCache::clearAllActive($file);
// Be sure to load newest version on next call
$file = PERSISTENT_PATH . "/plugins/{$pluginName}.php";
if (@is_readable($file)) {
$localConfig = (include $file);
iMSCP_Utility_OpcodeCache::clearAllActive($file);
// Be sure to load newest version on next call
if (array_key_exists('__REMOVE__', $localConfig) && is_array($localConfig['__REMOVE__'])) {
$config = utils_arrayDiffRecursive($config, $localConfig['__REMOVE__']);
if (array_key_exists('__OVERRIDE__', $localConfig) && is_array($localConfig['__OVERRIDE__'])) {
$config = utils_arrayMergeRecursive($config, $localConfig['__OVERRIDE__']);
}
}
}
} else {
throw new iMSCP_Plugin_Exception(tr('Unable to read the plugin %s file. Please check file permissions', $file));
}
}
return $config;
}