Location: PHPKode > projects > Maintainable PHP Framework > vendor/Horde/Log/Filter/Message.php
<?php
/**
 * Horde Log package
 *
 * This package is based on Zend_Log from the Zend Framework
 * (http://framework.zend.com).  Both that package and this
 * one were written by Mike Naberezny and Chuck Hagenbuch.
 *
 * @category Horde
 * @package  Horde_Log
 * @subpackage Filters
 * @author   Mike Naberezny <hide@address.com>
 * @author   Chuck Hagenbuch <hide@address.com>
 * @license  http://opensource.org/licenses/bsd-license.php BSD
 */

/**
 * @category Horde
 * @package  Horde_Log
 * @subpackage Filters
 * @author   Mike Naberezny <hide@address.com>
 * @author   Chuck Hagenbuch <hide@address.com>
 * @license  http://opensource.org/licenses/bsd-license.php BSD
 */
class Horde_Log_Filter_Message implements Horde_Log_Filter_Interface
{
    /**
     * @var string
     */
    protected $_regexp;

    /**
     * Filter out any log messages not matching $regexp.
     *
     * @param  string  $regexp     Regular expression to test the log message
     * @throws Horde_Log_Exception  Invalid regular expression
     */
    public function __construct($regexp)
    {
        if (@preg_match($regexp, '') === false) {
            throw new Horde_Log_Exception("Invalid regular expression '$regexp'");
        }
        $this->_regexp = $regexp;
    }

    /**
     * Returns TRUE to accept the message, FALSE to block it.
     *
     * @param  array    $event    Log event
     * @return boolean            accepted?
     */
    public function accept($event)
    {
        return preg_match($this->_regexp, $event['message']) > 0;
    }

}
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