php去掉字符串的最后一个字符_PHP教程

$str = "1,2,3,4,5,6,";
$newstr = substr($str,0,strlen($str)-1);
echo $newstr;
//echo 1,2,3,4,5,6

系统自带的函数即可实现这样的效果，两种方法：
1） substr($str, 0, -1)
2）rtrim($str, ",")

摘自 〃Style ひぐ

http://www.bkjia.com/PHPjc/478188.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/478188.htmlTechArticle原字符串1,2,3,4,5,6, 去掉最后一个字符,，最终结果为1,2,3,4,5,6 代码如下： $str = 1,2,3,4,5,6,; $newstr = substr($str,0,strlen($str)-1); echo $newstr; //echo 1...