http://jackxiang.com/index.php zh-cn http://jackxiang.com/post// jack <xdy108@126.com> Tue, 07 Aug 2007 09:16:35 +0000 http://jackxiang.com/post// <?php $str = "638cf7a5cf1230c845d42dd70724f495"; $str = "15756e31-2123-3c86-b732-5e341c25a0dc"; $newstr = substr($str,strlen($str)-1,strlen($str)); echo $newstr;

$rest = substr("abcdef", 1); // returns "bcdef" echo 'substr("abcdef", 1) returns ' .  $rest . "<br>"; $rest = substr("abcdef", 1, 3); // returns "bcd" echo 'substr("abcdef", 1, 3) returns ' .  $rest . "<br>"; $rest = substr("abcdef", -1); // returns "f" echo 'substr("abcdef", -1) returns ' .  $rest . "<br>"; $rest = substr("abcdef", -2); // returns "ef" echo 'substr("abcdef", -2) returns ' .  $rest . "<br>"; $rest = substr("abcdef", -3, 1); // returns "d" echo 'substr("abcdef", -3, 1) returns ' .  $rest . "<br>"; $rest = substr("abcdef", 1, -1); // returns "bcde" echo 'substr("abcdef", 1, -1) returns ' .  $rest . "<br>"; ?>

具体的使用可以看PHP的Manual中的function.substr.html。[/p] ]]> http://jackxiang.com/post//#blogcomment <user@domain.com> Thu, 01 Jan 1970 00:00:00 +0000 http://jackxiang.com/post//#blogcomment