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<?php// 将文本中的年份增加一年.$text = "April fools day is 04/01/2002\n";$text.= "Last christmas was 12/24/2001\n";// 回调函数function
next_year($matches){ // 通常: $matches[0]是完成的匹配 // $matches[1]是第一个捕获子组的匹配 // 以此类推 return
$matches[1].($matches[2]+1);}echo
preg_replace_callback( "|(\d{2}/\d{2}/)(\d{4})|", "next_year", $text);?> |
输出
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April fools day is 04/01/2003Last christmas was 12/24/2002 |
php回调函数callback函数实例,布布扣,bubuko.com
原文：http://www.cnblogs.com/majin/p/3775523.html