/**
* Scan registered autoload files, by priority
*
* This will get called 4 times.
*
* 1 & 2: Find all autoloading files from components that have been loaded by (1) plugins or (2) the theme.
* 3 & 4: Find all autoloading files defined by modules specified by (1) plugins or (2) the theme.
*/
private static function _find_autoload_files()
{
static $class_count = 0;
$classes = static::component_classes();
$latest_classes = array_slice($classes, $class_count);
if (count($latest_classes)) {
$class_count += count($latest_classes);
$class_key = implode('|', $latest_classes);
$class_key = WPLib::is_production() ? md5($class_key) : $class_key;
if (!(self::$_new_files = static::cache_get($cache_key = "autoload_files[{$class_key}]"))) {
$autoload_files = array();
/**
* These were the files that were manually added
*/
$added_files = array_values(self::$_autoload_files);
/**
* For each Site/App/Module/Lib/Theme class
*/
foreach ($latest_classes as $class_name) {
/**
* Scan the includes directory for all files.
*/
$found_files = glob($autoload_dir = static::get_root_dir('includes', $class_name) . '/*.php');
if (0 == count($found_files)) {
continue;
}
/**
* Find out what classes are currently defined.
*/
$declared_classes = get_declared_classes();
/**
* Diff the manually added files with the new ones scanned to get new files.
*/
self::$_new_files = array_diff($found_files, $added_files);
/**
* Load all the scanned files from the /include/ directory
*/
do {
self::$_file_loading = array_shift(self::$_new_files);
require self::$_file_loading;
self::$_file_loading = false;
} while (count(self::$_new_files));
/**
* Find the newly declared classes by comparing what was declared before with what is declared now.
*/
$loaded_classes = array_diff(get_declared_classes(), $declared_classes);
if (count($loaded_classes) > count($found_files)) {
$message = __('More than one class defined in \'/includes/\' directory of %s.', 'wplib');
static::trigger_error(sprintf($message, $class_name));
} else {
if (count($loaded_classes) < count($found_files)) {
$message = __('Files with no classes defined in \'/includes/\' directory of %s.', 'wplib');
static::trigger_error(sprintf($message, $class_name));
} else {
/**
* Add them in for autoloading.
* $loaded_classes should be in the same order as $found_files.
*/
$autoload_files += array_combine($loaded_classes, $found_files);
}
}
}
/**
* Now stuff into cache
*/
static::cache_set($cache_key, $autoload_files);
}
if (isset($autoload_files)) {
/**
* Set the mustload classes based on on_load() ordered by parent/child classes.
*/
self::_set_mustload_classes($autoload_files);
/**
* Add these new files to the list of files to autoload at the default priority.
*/
self::$_autoload_files = array_merge(self::$_autoload_files, $autoload_files);
}
}
}