| 例子 1. 得到系统持续运行的时间,并把它显示在消息对话框中 | 
<?php// Define constants needed, taken from
 // Visual Studio/Tools/Winapi/WIN32API.txt
 define("MB_OK", 0);
 
 // Load the extension in
 dl("php_w32api.dll");
 
 // Register the GetTickCount function from kernel32.dll
 w32api_register_function("kernel32.dll",
 "GetTickCount",
 "long");
 
 // Register the MessageBoxA function from User32.dll
 w32api_register_function("User32.dll",
 "MessageBoxA",
 "long");
 
 // Get uptime information
 $ticks = GetTickCount();
 
 // Convert it to a nicely displayable text
 $secs  = floor($ticks / 1000);
 $mins  = floor($secs / 60);
 $hours = floor($mins / 60);
 
 $str = sprintf("You have been using your computer for:".
 "\r\n %d Milliseconds, or \r\n %d Seconds".
 "or \r\n %d mins or\r\n %d hours %d mins.",
 $ticks,
 $secs,
 $mins,
 $hours,
 $mins - ($hours*60));
 
 // Display a message box with only an OK button and the uptime text
 MessageBoxA(NULL,
 $str,
 "Uptime Information",
 MB_OK);
 ?>
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