尝试类似的东西:
<?php
$rawDate = '4/23/2012';
echo date('N', strtotime($rawDate));
?>
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在这里演示:http://ideone.com/jICqh
查看PHP的date()
函数文档,了解更多格式化日期的方法.
$date = '2007/08/30';
$weekday = date('l', strtotime($date)); // note: first arg to date() is lower-case L
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