null.php

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<?php
class Log_null extends Log
{
    function Log_null($name, $ident = '', $conf = array(),
                                          $level = PEAR_LOG_DEBUG)
    {
        $this->_id = md5(microtime());
        $this->_ident = $ident;
        $this->_mask = Log::UPTO($level);
    }

    function open()
    {
        $this->_opened = true;
        return true;
    }

    function close()
    {
        $this->_opened = false;
        return true;
    }

    function log($message, $priority = null)
    {
        /* If a priority hasn't been specified, use the default value. */
        if ($priority === null) {
            $priority = $this->_priority;
        }

        /* Abort early if the priority is above the maximum logging level. */
        if (!$this->_isMasked($priority)) {
            return false;
        }

        $this->_announce(array('priority' => $priority, 'message' => $message));

        return true;
    }

}