BaseHooksTrait.php

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<?php

namespace Ajax\common\html\traits;

trait BaseHooksTrait {
    protected $_hooks=[];
    
    public function hookExists($hookKey){
        return isset($this->_hooks[$hookKey]);
    }
    
    public function getHook($hookKey){
        if(isset($this->_hooks[$hookKey])){
            return $this->_hooks[$hookKey];
        }
        return null;
    }
    
    public function addHook($hookKey,$callable){
        $this->_hooks[$hookKey]=$callable;
    }
    
    public function execHook($hookKey,...$variables){
        if(($hook=$this->getHook($hookKey))!=null){
            return call_user_func_array($hook,$variables);
        }
        return;
    }
}