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调整类的文件命名规范为psr-4
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130
library/think/Hook.php
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130
library/think/Hook.php
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think;
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class Hook
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{
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private static $tags = [];
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/**
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* 动态添加行为扩展到某个标签
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* @param string $tag 标签名称
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* @param mixed $behavior 行为名称
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* @param bool $first 是否放到开头执行
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* @return void
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*/
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public static function add($tag, $behavior,$first=false)
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{
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if (!isset(self::$tags[$tag])) {
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self::$tags[$tag] = [];
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}
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if (is_array($behavior)) {
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self::$tags[$tag] = array_merge(self::$tags[$tag], $behavior);
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} elseif($first){
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array_unshift(self::$tags[$tag],$behavior);
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} else {
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self::$tags[$tag][] = $behavior;
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}
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}
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/**
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* 批量导入插件
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* @param array $data 插件信息
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* @param boolean $recursive 是否递归合并
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* @return void
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*/
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public static function import($tags, $recursive = true)
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{
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if (!$recursive) {
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// 覆盖导入
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self::$tags = array_merge(self::$tags, $tags);
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} else {
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// 合并导入
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foreach ($tags as $tag => $val) {
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if (!isset(self::$tags[$tag])) {
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self::$tags[$tag] = [];
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}
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if (!empty($val['_overlay'])) {
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// 可以针对某个标签指定覆盖模式
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unset($val['_overlay']);
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self::$tags[$tag] = $val;
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} else {
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// 合并模式
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self::$tags[$tag] = array_merge(self::$tags[$tag], $val);
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}
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}
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}
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}
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/**
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* 获取插件信息
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* @param string $tag 插件位置 留空获取全部
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* @return array
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*/
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public static function get($tag = '')
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{
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if (empty($tag)) {
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// 获取全部的插件信息
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return self::$tags;
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} else {
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return self::$tags[$tag];
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}
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}
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/**
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* 监听标签的行为
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* @param string $tag 标签名称
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* @param mixed $params 传入参数
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* @return void
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*/
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public static function listen($tag, &$params = null)
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{
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if (isset(self::$tags[$tag])) {
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foreach (self::$tags[$tag] as $name) {
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if (APP_DEBUG) {
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Debug::remark('behavior_start', 'time');
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}
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$result = self::exec($name, $tag, $params);
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if (APP_DEBUG) {
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Debug::remark('behavior_end', 'time');
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Log::record('Run ' . $name . ' [ RunTime:' . Debug::getRangeTime('behavior_start', 'behavior_end') . 's ]', 'log');
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}
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if (false === $result) {
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// 如果返回false 则中断行为执行
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return;
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}
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}
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}
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return;
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}
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/**
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* 执行某个行为
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* @param string $class 行为类名称
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* @param string $tag 方法名(标签名)
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* @param Mixed $params 传人的参数
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* @return void
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*/
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public static function exec($class, $tag = '', &$params = null)
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{
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if ($class instanceof \Closure) {
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return $class($params);
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}
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$obj = new $class();
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return ($tag && is_callable([$obj, $tag])) ? $obj->$tag($params) : $obj->run($params);
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}
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}
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