php创建无限极目录代码

<?php ???//无限级目录function dirs($path,$mode=0777){ ???if(is_dir($path)){ ???????echo ‘目录已经存在！‘; ???}else{ ???????if(mkdir($path, $mode,true)){ ???????????echo ‘创建成功！ ‘; ???????}else{ ???????????echo ‘创建失败！‘; ???????} ???}}$a = "d:/abcd/123/456/789/";dirs($a);