gistfile1

<?php

/**
 * Simple implementation of the SS_Log class that came in 2.4, for compatability with SilverStripe 2.3.
 */
class SS_Log {
	protected static $writer;
	
	protected static $priority_names = array(
		3 => 'ERR',
		4 => 'WARN',
		5 => 'NOTICE',
		GUARDIANLOGPAGEVIEW => 'PAGEVIEW',
	);

	static function add_writer($writer) {
		self::$writer = $writer;
	}

	static function log($message, $priority) {
		if(!self::$writer) return;
		
		// Convert string priorities from 2.3 into numeric ones, used by the writer
		if(is_string($priority)) {
			$errNums = array(
				'Error' => 3,
				'Warning' => 4,
				'Notice' => 5,
			);
			$priority = $errNums[$priority];
		}
		
		return self::$writer->_write(array(
			'priorityName' => self::$priority_names[$priority],
			'message' => $message,
		));
	}
}