PHP 操作oracle数据库，select，insert into ,delete等

public function obtainduo(){
        header("content-type:text/html; charset=utf-8");//有的时候会乱码，所以定义一下格式
        $conn = oci_connect ( ‘user‘, ‘pwd‘, "192.168.1.1/xbxxf", ‘UTF8‘);//连接信息
        if (!$conn) {
            $this->var[‘personinfoTs‘] = ‘连接系统出错，请联系西贝小小凤‘;
        }else{
            $sql =  "select * from fund";//sql 语句
            $stmt = oci_parse ( $conn, $sql );// 配置 Oracle 语句预备执行
            oci_execute ( $stmt, OCI_DEFAULT );//执行SQL
            oci_fetch_all ( $stmt, $result, 0, - 1, OCI_FETCHSTATEMENT_BY_ROW );
            oci_free_statement ( $stmt );
            oci_close ( $conn );
            //数组编码转换
            foreach( $result as $v ) {
                $_result [] = $v;
            }
            return $_result;
        }
    
    }

public function addfund($data){
         $Oracle_conn = oci_connect ( ‘user‘, ‘pwd‘, "192.168.1.1/xbxxf", ‘UTF8‘);
         $query="insert into fund(name,desc) values (:name,:desc)";
         
         $statement=oci_parse($Oracle_conn,$query);
         //===============设置绑定变量的取值（通过变量提供值）================
          　　$name="文章标题";
             $desc="简述爱的很骄傲和大伙房间哈佛好烦";

             oci_bind_by_name($statement,":name",$name);
             oci_bind_by_name($statement,":desc",$desc);
             //执行语句，设置执行模式为自动提交
             oci_execute($statement,OCI_COMMIT_ON_SUCCESS);
             //检查影响的行数
             if(oci_num_rows){
                 $res=1;
             }else{
                 $res=0;
             }
        //释放资源
         oci_free_statement($statement);
         oci_close($Oracle_conn);
         return $res;
     }

public function delfundvalue($excel_id){
         $Oracle_conn = oci_connect ( ‘user‘, ‘pwd‘, "192.168.1.1/xbxxf", ‘UTF8‘);//连接信息
         $query="delete from fund where id =1"；
         //===============设置绑定变量的取值（通过变量提供值）================
         $stmt = oci_parse ( $Oracle_conn, $query );
         oci_execute ( $stmt, OCI_COMMIT_ON_SUCCESS );
         //检查影响的行数
        if(oci_num_rows){
            $res=1;
        }else{
            $res=0;
        }
         //释放资源
         oci_free_statement($statement);
         oci_close($Oracle_conn);
         return $res;
     }