Initial project files: BESCMS full source
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<?php namespace Phpcmf;
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/**
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* https://www.besyun.com
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* BESCMS
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* 本文件是框架系统文件，二次开发时不可以修改本文件
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**/
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define('EVENT_PRIORITY_LOW', 200);
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define('EVENT_PRIORITY_NORMAL', 10);
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define('EVENT_PRIORITY_HIGH', 10);
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/**
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* 钩子类
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*/
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class Hooks {
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protected static $initialized_hook = false;
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/**
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* The list of listeners.
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*
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* @var array
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*/
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protected static $listeners = [];
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/**
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* Flag to let us know if we've read from the Config file(s)
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* and have all of the defined events.
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*
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* @var bool
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*/
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protected static $initialized = false;
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/**
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* If true, events will not actually be fired.
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* Useful during testing.
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*
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* @var bool
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*/
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protected static $simulate = false;
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/**
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* Stores information about the events
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* for display in the debug toolbar.
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*
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* @var array<array<string, float|string>>
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*/
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protected static $performanceLog = [];
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/**
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* A list of found files.
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*
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* @var string[]
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*/
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protected static $files = [];
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/**
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* 重定义钩子类
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*/
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public static function initialize()
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{
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// 防止重复加载
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if (static::$initialized_hook)
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{
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return;
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}
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// 框架主钩子
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require CONFIGPATH.'hooks.php';
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if (is_file(FRAMEPATH.'Extend/Hook.php')) {
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require FRAMEPATH.'Extend/Hook.php';
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}
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static::$initialized = true;
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static::$initialized_hook = true;
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}
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/**
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* Registers an action to happen on an event. The action can be any sort
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* of callable:
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*
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* Events::on('create', 'myFunction'); // procedural function
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* Events::on('create', ['myClass', 'myMethod']); // Class::method
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* Events::on('create', [$myInstance, 'myMethod']); // Method on an existing instance
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* Events::on('create', function() {}); // Closure
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*
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* @param string $eventName
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* @param callable $callback
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* @param int $priority
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*/
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public static function on($eventName, $callback, $priority = EVENT_PRIORITY_NORMAL)
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{
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if (! isset(static::$listeners[$eventName])) {
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static::$listeners[$eventName] = [
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true, // If there's only 1 item, it's sorted.
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[$priority],
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[$callback],
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];
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} else {
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static::$listeners[$eventName][0] = false; // Not sorted
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static::$listeners[$eventName][1][] = $priority;
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static::$listeners[$eventName][2][] = $callback;
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}
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}
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/**
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* Removes a single listener from an event.
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*
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* If the listener couldn't be found, returns FALSE, else TRUE if
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* it was removed.
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*
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* @param string $eventName
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*/
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public static function removeListener($eventName, callable $listener): bool
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{
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if (! isset(static::$listeners[$eventName])) {
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return false;
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}
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foreach (static::$listeners[$eventName][2] as $index => $check) {
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if ($check === $listener) {
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unset(
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static::$listeners[$eventName][1][$index],
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static::$listeners[$eventName][2][$index]
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);
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return true;
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}
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}
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return false;
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}
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/**
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* Removes all listeners.
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*
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* If the event_name is specified, only listeners for that event will be
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* removed, otherwise all listeners for all events are removed.
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*
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* @param string|null $eventName
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*/
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public static function removeAllListeners($eventName = null)
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{
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if ($eventName !== null) {
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unset(static::$listeners[$eventName]);
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} else {
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static::$listeners = [];
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}
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}
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/**
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* Sets the path to the file that routes are read from.
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*/
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public static function setFiles(array $files)
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{
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static::$files = $files;
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}
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/**
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* Returns the files that were found/loaded during this request.
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*
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* @return string[]
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*/
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public function getFiles()
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{
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return static::$files;
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}
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/**
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* Turns simulation on or off. When on, events will not be triggered,
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* simply logged. Useful during testing when you don't actually want
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* the tests to run.
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*/
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public static function simulate(bool $choice = true)
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{
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static::$simulate = $choice;
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}
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/**
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* Getter for the performance log records.
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*
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* @return array<array<string, float|string>>
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*/
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public static function getPerformanceLogs()
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{
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return static::$performanceLog;
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}
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/**
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* 插件中注册钩子
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*/
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public static function app_on($app, $eventName, $callback, $priority = EVENT_PRIORITY_NORMAL)
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{
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if (! isset(static::$listeners[$eventName])) {
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static::$listeners[$eventName] = [
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true, // If there's only 1 item, it's sorted.
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[$priority],
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[$callback],
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[$app],
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];
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} else {
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static::$listeners[$eventName][0] = false; // Not sorted
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static::$listeners[$eventName][1][] = $priority;
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static::$listeners[$eventName][2][] = $callback;
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static::$listeners[$eventName][3][] = $app;
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}
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}
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/**
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* Returns an array of listeners for a single event. They are
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* sorted by priority.
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*
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* @param string $eventName
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*/
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public static function listeners($eventName): array
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{
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if (! isset(static::$listeners[$eventName])) {
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return [[], []];
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}
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// The list is not sorted
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if (! static::$listeners[$eventName][0]) {
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// Sort it!
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array_multisort(static::$listeners[$eventName][1], SORT_NUMERIC, static::$listeners[$eventName][2]);
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// Mark it as sorted already!
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static::$listeners[$eventName][0] = true;
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}
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return [static::$listeners[$eventName][2], static::$listeners[$eventName][3]];
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}
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/**
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* 运行带返回参数的钩子点，其中某个钩子返回值时终止运行
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*
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* @param string $eventName
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* @param mixed $arguments
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*
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* @return boolean | array
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*/
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public static function trigger_callback($eventName, ...$arguments)
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{
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if (! static::$initialized)
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{
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static::initialize();
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}
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list($listeners, $apps) = static::listeners($eventName);
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if (!$listeners) {
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return false;
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}
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$msg = '';
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$data = [];
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$is_rt = 0;
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foreach ($listeners as $k => $listener) {
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if (IS_POST && CI_DEBUG && !in_array($eventName, ['DBQuery', 'pre_system'])) {
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log_message('debug', ($apps && isset($apps[$k]) ? '插件【'.$apps[$k].'】' : '' ).'运行钩子【'.$eventName.'】');
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}
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$start = microtime(true);
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$rt = call_user_func($listener, ...$arguments);
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if (CI_DEBUG)
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{
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static::$performanceLog[] = [
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'start' => $start,
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'end' => microtime(true),
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'event' => strtolower($eventName),
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];
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}
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if ($rt && isset($rt['code'])) {
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if ($rt['code'] == 0) {
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// 只要遇到返回成功的钩子就中断执行直接返回
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return $rt;
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}
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$msg = $rt['msg'];
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if (is_array($rt['data'])) {
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if (is_array($data)) {
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$data = dr_array22array($data, $rt['data']);
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} else {
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$data = $rt['data'];
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}
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} else {
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$data = $rt['data'];
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}
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if ($msg == 'merge') {
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$arguments[0] = dr_array22array($arguments[0], $data);
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}
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$is_rt = 1;
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}
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}
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if ($is_rt) {
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return dr_return_data(1, $msg, $data);
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}
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return false;
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}
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/**
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* 运行不带返回参数的钩子点
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*
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* @param string $eventName
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* @param mixed $arguments
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*
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* @return boolean
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*/
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public static function trigger($eventName, ...$arguments): bool
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{
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// Read in our Config/Events file so that we have them all!
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if (! static::$initialized)
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{
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static::initialize();
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}
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list($listeners, $apps) = static::listeners($eventName);
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if (!$listeners) {
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return false;
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}
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foreach ($listeners as $k => $listener) {
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if (IS_POST && CI_DEBUG && !in_array($eventName, ['DBQuery', 'pre_system'])) {
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log_message('debug', ($apps && isset($apps[$k]) ? '插件【'.$apps[$k].'】' : '' ).'运行钩子【'.$eventName.'】');
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}
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$start = microtime(true);
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$result = static::$simulate === false ? call_user_func($listener, ...$arguments) : true;
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if (CI_DEBUG)
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{
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static::$performanceLog[] = [
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'start' => $start,
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'end' => microtime(true),
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'event' => strtolower($eventName),
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];
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}
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if ($result === false)
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{
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return false;
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}
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}
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return true;
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}
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}
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