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📁 php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Examples</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="w32api.constants.html">Predefined Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.w32api.html">W32api Functions</a></div> <div class="up"><a href="book.w32api.html">W32api</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Examples</h1> <div id="w32api.examples-uptime" class="section">  <p class="para">   This example gets the amount of time the system has been running and   displays it in a message box.  </p>  <div class="example">   <p><b>Example #1 Get the uptime and display it in a message box</b></p>   <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">//&nbsp;Define&nbsp;constants&nbsp;needed,&nbsp;taken&nbsp;from<br />//&nbsp;Visual&nbsp;Studio/Tools/Winapi/WIN32API.txt<br /></span><span style="color: #0000BB">define</span><span style="color: #007700">(</span><span style="color: #DD0000">"MB_OK"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Load&nbsp;the&nbsp;extension&nbsp;in<br /></span><span style="color: #0000BB">dl</span><span style="color: #007700">(</span><span style="color: #DD0000">"php_w32api.dll"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Register&nbsp;the&nbsp;GetTickCount&nbsp;function&nbsp;from&nbsp;kernel32.dll<br /></span><span style="color: #0000BB">w32api_register_function</span><span style="color: #007700">(</span><span style="color: #DD0000">"kernel32.dll"</span><span style="color: #007700">,&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"GetTickCount"</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"long"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /></span><span style="color: #FF8000">//&nbsp;Register&nbsp;the&nbsp;MessageBoxA&nbsp;function&nbsp;from&nbsp;User32.dll<br /></span><span style="color: #0000BB">w32api_register_function</span><span style="color: #007700">(</span><span style="color: #DD0000">"User32.dll"</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"MessageBoxA"</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"long"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Get&nbsp;uptime&nbsp;information<br /></span><span style="color: #0000BB">$ticks&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">GetTickCount</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">//&nbsp;Convert&nbsp;it&nbsp;to&nbsp;a&nbsp;nicely&nbsp;displayable&nbsp;text<br /></span><span style="color: #0000BB">$secs&nbsp;&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">floor</span><span style="color: #007700">(</span><span style="color: #0000BB">$ticks&nbsp;</span><span style="color: #007700">/&nbsp;</span><span style="color: #0000BB">1000</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$mins&nbsp;&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">floor</span><span style="color: #007700">(</span><span style="color: #0000BB">$secs&nbsp;</span><span style="color: #007700">/&nbsp;</span><span style="color: #0000BB">60</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$hours&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">floor</span><span style="color: #007700">(</span><span style="color: #0000BB">$mins&nbsp;</span><span style="color: #007700">/&nbsp;</span><span style="color: #0000BB">60</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$str&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">sprintf</span><span style="color: #007700">(</span><span style="color: #DD0000">"You&nbsp;have&nbsp;been&nbsp;using&nbsp;your&nbsp;computer&nbsp;for:"&nbsp;</span><span style="color: #007700">.<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"\r\n&nbsp;%d&nbsp;Milliseconds,&nbsp;or&nbsp;\r\n&nbsp;%d&nbsp;Seconds"&nbsp;</span><span style="color: #007700">.<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"or&nbsp;\r\n&nbsp;%d&nbsp;mins&nbsp;or\r\n&nbsp;%d&nbsp;hours&nbsp;%d&nbsp;mins."</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$ticks</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$secs</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$mins</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$hours</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$mins&nbsp;</span><span style="color: #007700">-&nbsp;(</span><span style="color: #0000BB">$hours</span><span style="color: #007700">*</span><span style="color: #0000BB">60</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">//&nbsp;Display&nbsp;a&nbsp;message&nbsp;box&nbsp;with&nbsp;only&nbsp;an&nbsp;OK&nbsp;button&nbsp;and&nbsp;the&nbsp;uptime&nbsp;text<br /></span><span style="color: #0000BB">MessageBoxA</span><span style="color: #007700">(</span><span style="color: #0000BB">NULL</span><span style="color: #007700">,&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$str</span><span style="color: #007700">,&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"Uptime&nbsp;Information"</span><span style="color: #007700">,&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">MB_OK</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>   </div>  </div> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="w32api.constants.html">Predefined Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.w32api.html">W32api Functions</a></div> <div class="up"><a href="book.w32api.html">W32api</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>

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