PHP中利用substr_replace将指定两位置之间的字符替换为*号_PHP教程

$username = "zongzi"; 
echo substr_replace($username,'**','1','2'); 


http://www.bkjia.com/PHPjc/322794.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/322794.htmlTechArticle 代码如下:
$username = "zongzi"; echo substr_replace($username,'**','1','2');...