CaptchaCacheStore.php

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<?php
 
class CaptchaCacheStore extends CaptchaStore {
    public function store( $index, $info ) {
        global $wgCaptchaSessionExpiration;
 
        ObjectCache::getMainStashInstance()->set(
            wfMemcKey( 'captcha', $index ),
            $info,
            $wgCaptchaSessionExpiration
        );
    }
 
    public function retrieve( $index ) {
        $info = ObjectCache::getMainStashInstance()->get( wfMemcKey( 'captcha', $index ) );
        if ( $info ) {
            return $info;
        } else {
            return false;
        }
    }
 
    public function clear( $index ) {
        ObjectCache::getMainStashInstance()->delete( wfMemcKey( 'captcha', $index ) );
    }
 
    public function cookiesNeeded() {
        return false;
    }
}