源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?php $str = 'one,two,three,four'; // zero limit print_r(explode(',',$str,0)); print " "; // positive limit print_r(explode(',',$str,2)); print " "; // negative limit print_r(explode(',',$str,-1)); ?></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>Array ( [0] => one,two,three,four ) Array ( [0] => one [1] => two,three,four ) Array ( [0] => one [1] => two [2] => three ) </FONT> </body> </html> </HTML>