--TEST-- Test popen() and pclose function: error conditions --SKIPIF-- <?php if (substr(PHP_OS, 0, 3) != 'WIN') die("skip Valid only on Windows"); if (PHP_DEBUG) die("skip Not Valid for debug builds"); ?> --FILE-- <?php /* * Prototype: resource popen ( string command, string mode ) * Description: Opens process file pointer. * Prototype: int pclose ( resource handle ); * Description: Closes process file pointer. */ $file_path = dirname(__FILE__); echo "*** Testing for error conditions ***\n"; var_dump( popen() ); // Zero Arguments var_dump( popen("abc.txt") ); // Single Argument var_dump( popen("abc.txt", "rw") ); // Invalid mode Argument var_dump( pclose() ); $file_handle = fopen($file_path."/popen.tmp", "w"); var_dump( pclose($file_handle, $file_handle) ); pclose($file_handle); var_dump( pclose(1) ); echo "\n--- Done ---"; ?> --CLEAN-- <?php $file_path = dirname(__FILE__); unlink($file_path."/popen.tmp"); ?> --EXPECTF-- *** Testing for error conditions *** Warning: popen() expects exactly 2 parameters, 0 given in %s on line %d NULL Warning: popen() expects exactly 2 parameters, 1 given in %s on line %d NULL resource(%d) of type (stream) 'abc.txt' is not recognized as an internal or external command, operable program or batch file. Warning: pclose() expects exactly 1 parameter, 0 given in %s on line %d bool(false) Warning: pclose() expects exactly 1 parameter, 2 given in %s on line %d bool(false) Warning: pclose() expects parameter 1 to be resource, integer given in %s on line %d bool(false) --- Done ---