php实现每天自动变换随机问候语的方法，php变换问候语

php实现每天自动变换随机问候语的方法，php变换问候语_PHP教程

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Release： 2016-07-13 09:54:03

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php实现每天自动变换随机问候语的方法，php变换问候语

本文实例讲述了php实现每天自动变换随机问候语的方法。分享给大家供大家参考。具体分析如下：

这里预先定义一个php数组，里面存放一些随机问候语，调用的时候指定是按照天，月还是年来自动更换问候语，如果选择月，则会每月更换一条问候语显示，不用每个月手动更换了，并且这段php代码比使用JS实现对搜索引擎友好

function RandomQuoteByInterval($TimeBase, $QuotesArray){
  // Make sure it is a integer
  $TimeBase = intval($TimeBase);
  // How many items are in the array&#63;
  $ItemCount = count($QuotesArray);
  // By using the modulus operator we get a pseudo
  // random index position that is between zero and the
  // maximal value (ItemCount)
  $RandomIndexPos = ($TimeBase % $ItemCount);
  // Now return the random array element
  return $QuotesArray[$RandomIndexPos];
}
/*
** --> See the example section below for a
**   detailed instruction.
*/

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使用范例：

// Use the day of the year to get a daily changing
// quote changing (z = 0 till 365)
$DayOfTheYear = date('z');
// You could also use:
// --> date('m'); // Quote changes every month
// --> date('h'); // Quote changes every hour
// --> date('i'); // Quote changes every minute
// Example array with some random quotes
$RandomQuotes = array(
  'No animals were harmed in the making of this snippet.',
  'Nice snippets',
  'The modulus operator rocks!',
  'PHP is cool.'
);
print RandomQuoteByInterval($DayOfTheYear, $RandomQuotes);

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希望本文所述对大家的php程序设计有所帮助。