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run code in 300+ PHP versions simultaneously
<?php echo 'Case A'; if ((!URL_REWRITING_ALL) || !defined('URL_REWRITING_ALL')) { echo 'if is true'; } else { echo 'if is false'; } echo "\n\n"; echo 'Case B'; if ((!defined('URL_REWRITING_ALL')) || (!URL_REWRITING_ALL)) { echo 'if is true'; } else { echo 'if is false'; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Case A Fatal error: Uncaught Error: Undefined constant "URL_REWRITING_ALL" in /in/pZnAQ:3 Stack trace: #0 {main} thrown in /in/pZnAQ on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Case A Warning: Use of undefined constant URL_REWRITING_ALL - assumed 'URL_REWRITING_ALL' (this will throw an Error in a future version of PHP) in /in/pZnAQ on line 3 if is true Case Bif is true
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Case A Notice: Use of undefined constant URL_REWRITING_ALL - assumed 'URL_REWRITING_ALL' in /in/pZnAQ on line 3 if is true Case Bif is true
preferences:
272.27 ms | 404 KiB | 356 Q