error_log.php

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<?php
class Log_error_log extends Log
{
    var $_type = PEAR_LOG_TYPE_SYSTEM;

    var $_destination = '';

    var $_extra_headers = '';

    var $_lineFormat = '%2$s: %4$s';

    var $_timeFormat = '%b %d %H:%M:%S';

    function Log_error_log($name, $ident = '', $conf = array(),
                           $level = PEAR_LOG_DEBUG)
    {
        $this->_id = md5(microtime());
        $this->_type = $name;
        $this->_ident = $ident;
        $this->_mask = Log::UPTO($level);

        if (!empty($conf['destination'])) {
            $this->_destination = $conf['destination'];
        }

        if (!empty($conf['extra_headers'])) {
            $this->_extra_headers = $conf['extra_headers'];
        }

        if (!empty($conf['lineFormat'])) {
            $this->_lineFormat = str_replace(array_keys($this->_formatMap),
                                             array_values($this->_formatMap),
                                             $conf['lineFormat']);
        }

        if (!empty($conf['timeFormat'])) {
            $this->_timeFormat = $conf['timeFormat'];
        }
    }

    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;
        }

        /* Extract the string representation of the message. */
        $message = $this->_extractMessage($message);

        /* Build the string containing the complete log line. */
        $line = $this->_format($this->_lineFormat,
                               strftime($this->_timeFormat),
                               $priority, $message);

        /* Pass the log line and parameters to the error_log() function. */
        $success = error_log($line, $this->_type, $this->_destination,
                             $this->_extra_headers);

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

        return $success;
    }

}