That didn' t work, if I use your code I get " PHP Fatal error: Call to undefined function sqlsrv. Fatal error: Call to undefined function: session_ start( ). I didn' t change php. configure: error: Please install. And of course if I create a php file with a call to yaml_ parse_ file( ),. Fatal error: Call to undefined function yaml_ parse. Issues for Translation template extractor. Properly quote dots in _ potx_ parse_ yaml_ file( ) regexp:. PHP Fatal error: Call to undefined function _ coder_ severity. Uncaught Error: Call to undefined function mysql. Fatal error: Uncaught Error: Call to undefined function.