简单教程
提交运行
代码编辑器：
<?php echo "Easter Day is " , easter_days() , " days after March 21 this year.<br />"; echo "Easter Day was ", easter_days(1990) , " days after March 21 in 1990.<br />"; echo "Easter Day was ", easter_days(1342) , " days after March 21 in 1342.<br />"; echo "Easter Day will be ", easter_days(2050) , " days after March 21 in 2050.";
运行结果：