PHP操作数据库

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1.

<?php

/* MySQL

create database foo charset gbk
create database foo charset utf8

*/

$conn = mysql_connect(‘localhost‘,‘root‘,‘‘);

if($conn){
//echo ‘connect success‘;

mysql_select_db(‘myapp‘,$conn);

// $result = mysql_query("SELECT id, name FROM users WHERE id = 1");

// $result_arr = mysql_fetch_assoc($result);

// print_r($result_arr);

// $result_arr = mysql_fetch_assoc($result);

// print_r($result_arr);

// echo ‘data length: ‘.mysql_num_rows($result);

// $data_count = mysql_num_rows($result);
// for($i=0;$i<$data_count;$i++){
// print_r(mysql_fetch_assoc($result));
// }

$result = mysql_query("SELECT COUNT(*) FROM users WHERE name = ‘iwen‘");
if($result){
$result_arr = mysql_fetch_array($result);
echo ‘data length: ‘.$result_arr[0];
}else{
echo ‘query fail‘;
}

}else{
echo ‘connect fail‘;
}

PHP操作数据库

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原文地址：http://www.cnblogs.com/htmlphp/p/4844058.html