3 * A debug output class for PHP's error_log() command
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.org
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 class DebugErrorLogOutput extends BaseFrameworkSystem implements Debugger, OutputStreamer {
26 * Protected constructor
30 protected function __construct () {
31 // Call parent constructor
32 parent::__construct(__CLASS__);
35 $this->setObjectDescription("Debug output to error_log()");
37 // Create an unique ID
38 $this->generateUniqueId();
42 * Creates an instance of this class
44 * @return $debugInstance The prepared debug instance
46 public final static function createDebugErrorLogOutput () {
48 $debugInstance = new DebugErrorLogOutput();
51 return $debugInstance;
55 * Outputs the given data without HTML tags
57 * @param $output The HTML'ed output
60 public final function outputStream ($output) {
61 // Split multiple lines into and array to put them out line-by-line
62 $errorLines = explode("\n", $output);
63 foreach ($errorLines as $err) {
65 // Log only none-empty lines
68 error_log(html_entity_decode(strip_tags($err)), 0);
74 * Assigns a variable for output
76 * @param $var The variable we shall assign
77 * @param $value The value to store in the variable
80 public final function assignVariable ($var, $value) {
82 trigger_error(__METHOD__.": Stub!");
90 public final function output ($outStream=false) {
91 // Empty output will be silently ignored
92 if ($outStream !== false) {
93 $this->outputStream($outStream);