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<?php
namespace W3TC;
class ConfigUtil {
static public function is_item_exists( $blog_id, $preview ) {
if ( defined( 'W3TC_CONFIG_DATABASE' ) && W3TC_CONFIG_DATABASE ) {
return ConfigDbStorage::is_item_exists( $blog_id, $preview );
}
return file_exists( Config::util_config_filename( 0, false ) );
}
static public function remove_item( $blog_id, $preview ) {
if ( defined( 'W3TC_CONFIG_DATABASE' ) && W3TC_CONFIG_DATABASE ) {
ConfigDbStorage::remove_item( $blog_id, $preview );
} else {
$filename = Config::util_config_filename( $blog_id, $preview );
@unlink( $filename );
}
if ( defined( 'W3TC_CONFIG_CACHE_ENGINE' ) ) {
ConfigCache::remove_item( $blog_id, $preview );
}
}
/**
* Deploys the config file from a preview config file
*
* @param integer $direction +1: preview->production
* -1: production->preview
* @param boolean $remove_source remove source file
*/
static public function preview_production_copy( $blog_id, $direction ) {
if ( defined( 'W3TC_CONFIG_DATABASE' ) && W3TC_CONFIG_DATABASE ) {
ConfigDbStorage::preview_production_copy( $blog_id, $direction );
} else {
$preview_filename = Config::util_config_filename( $blog_id, true );
$production_filename = Config::util_config_filename( $blog_id, false );
if ( $direction > 0 ) {
$src = $preview_filename;
$dest = $production_filename;
} else {
$src = $production_filename;
$dest = $preview_filename;
}
if ( !@copy( $src, $dest ) ) {
Util_Activation::throw_on_write_error( $dest );
}
}
if ( defined( 'W3TC_CONFIG_CACHE_ENGINE' ) ) {
ConfigCache::remove_item( $blog_id, $preview );
}
}
static public function save_item( $blog_id, $preview, $data ) {
if ( defined( 'W3TC_CONFIG_DATABASE' ) && W3TC_CONFIG_DATABASE ) {
ConfigDbStorage::save_item( $blog_id, $preview, $data );
} else {
$filename = Config::util_config_filename( $blog_id, $preview );
if ( defined( 'JSON_PRETTY_PRINT' ) )
$config = json_encode( $data, JSON_PRETTY_PRINT );
else // for older php versions
$config = json_encode( $data );
Util_File::file_put_contents_atomic( $filename, '<?php exit; ?>' . $config );
}
if ( defined( 'W3TC_CONFIG_CACHE_ENGINE' ) ) {
ConfigCache::remove_item( $blog_id, $preview );
}
}
}