源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?php echo substr_compare("world","or",1,2)." "; echo substr_compare("world","ld",-2,2)." "; echo substr_compare("world","orl",1,2)." "; echo substr_compare("world","OR",1,2,TRUE)." "; echo substr_compare("world","or",1,3)." "; echo substr_compare("world","rl",1,2)." "; ?></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 0 0 1 -1 </FONT> </body> </html> </HTML>