此例中使用数组,怎么理解?
$patterns = array ('/(19|20)(\d{2})-(\d{1,2})-(\d{1,2})/', '/^\s*{(\w+)}\s*=/');
$replace = array ('\3/\4/\1\2', '$\1 =');
echo preg_replace($patterns, $replace, '{startDate} = 1999-5-27');
此例中$patern和$replace是数据,怎么理解呢?求高手讲讲。谢谢!
$patterns = array ('/(19|20)(\d{2})-(\d{1,2})-(\d{1,2})/', '/^\s*{(\w+)}\s*=/');
$replace = array ('\3/\4/\1\2', '$\1 =');
echo preg_replace($patterns, $replace, '{startDate} = 1999-5-27');
此例中$patern和$replace是数据,怎么理解呢?求高手讲讲。谢谢!
2016-07-12
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