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php实现每 天自动变换随机问候语的方法

2019-11-02 15:14:57
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   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

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 function RandomQuoteByInterval($TimeBase, $QuotesArray){ // Make sure it is a integer $TimeBase = intval($TimeBase); // How many items are in the array? $ItemCount = count($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. */

  使用范例:

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 // 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);

  希望本文所述对大家的php程序设计有所帮助。

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