案例：PHP案例     状态：不可编辑再运行    进入竖版
 运行结果　
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<!DOCTYPE html>
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<html>
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<body>
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​
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<?php
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$startdate=strtotime("Saturday");
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$enddate=strtotime("+6 weeks",$startdate);
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​
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while ($startdate <  $enddate) {
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   echo date("M d", $startdate),"<br>";
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   $startdate = strtotime("+1 week", $startdate);
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}
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?>
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​
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</body>
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</html>
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​