源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?php echo(floor(0.60) . " "); echo(floor(0.40) . " "); echo(floor(5) . " "); echo(floor(5.1) . " "); echo(floor(-5.1) . " "); echo(floor(-5.9)); ?></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>0 0 5 5 -6 -6</FONT> </body> </html> </HTML>