dokuwiki-plugin-struct/types/Mail.php

<?php

namespace dokuwiki\plugin\struct\types;

use dokuwiki\plugin\struct\meta\ValidationException;

class Mail extends Text
{
    protected $config = [
        'prefix' => '',
        'postfix' => ''
    ];

    /**
     * Output the stored data
     *
     * @param string|int $value the value stored in the database
     * @param \Doku_Renderer $R the renderer currently used to render the data
     * @param string $mode The mode the output is rendered in (eg. XHTML)
     * @return bool true if $mode could be satisfied
     */
    public function renderValue($value, \Doku_Renderer $R, $mode)
    {
        $mail = $this->config['prefix'] . $value . $this->config['postfix'];
        $R->emaillink($mail);
        return true;
    }

    /**
     * Validate
     *
     * @param int|string $rawvalue
     * @return int|string
     */
    public function validate($rawvalue)
    {
        $rawvalue = parent::validate($rawvalue);

        $mail = $this->config['prefix'] . $rawvalue . $this->config['postfix'];
        if (!mail_isvalid($mail)) {
            throw new ValidationException('Mail invalid', $mail);
        }

        return $rawvalue;
    }
}