cache_header.php

<?php

namespace PMVC\PlugIn\cache_header;

use PMVC\Event;

\PMVC\l(__DIR__.'/src/CacheHeaderHelper.php');

${_INIT_CONFIG}[_CLASS] = __NAMESPACE__.'\cache_header';

class cache_header extends \PMVC\PlugIn
{
    function init()
    {
        $this->setDefaultAlias(new CacheHeaderHelper());
        \PMVC\callPlugin(
            'dispatcher',
            'attach',
            [ 
                $this,
                Event\WILL_PROCESS_ACTION,
            ]
        );
    }

    public function onWillProcessAction($subject = null)
    {
        if (is_array($this[0])) {
            \PMVC\callPlugin(
                \PMVC\getOption(_ROUTER),
                'processHeader',
                [
                    call_user_func_array(
                        [$this, 'getCacheHeader'],
                        $this[0]
                    )
                ]
            );
        }
    }

}