Warning: file(x.txt): failed to open stream: No such file or directory in /hermes/walnacweb05/walnacweb05ae/b352/hy.thaiwebsearch/php/test03.php on line 5

Fatal error: Uncaught Error: Call to undefined function x() in /hermes/walnacweb05/walnacweb05ae/b352/hy.thaiwebsearch/php/test03.php:6 Stack trace: #0 {main} thrown in /hermes/walnacweb05/walnacweb05ae/b352/hy.thaiwebsearch/php/test03.php on line 6