源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?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."; ?></FONT> </body> </html> </HTML>
运行结果：
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000>Easter Day is 10 days after March 21 this year.<br />Easter Day was 25 days after March 21 in 1990.<br />Easter Day was 10 days after March 21 in 1342.<br />Easter Day will be 20 days after March 21 in 2050.</FONT> </body> </html> </HTML>