day04_07-三个函数的区别

<?php
    $link = @mysql_connect(‘localhost‘,‘root‘,‘‘);
    mysql_query(‘use test‘,$link);
    mysql_query(‘set names utf8‘,$link);
    
    $res = mysql_query(‘select * from boy‘);
    //var_dump($res);
    print_r(mysql_fetch_assoc($res));
    //>>>Array ( [hid] => A [bname] => 屌丝 )
    //>>>返回关联数组
    print_r(mysql_fetch_row($res));
    //>>>Array ( [0] => B [1] => 杨过 )
    //>>>返回索引(数字)数组
    print_r(mysql_fetch_array($res));
    //>>>Array ( [0] => C [hid] => C [1] => 陈冠希 [bname] => 陈冠希 )
    //>>>返回索引数组和关联数组的集合
?>