mysqli::init

mysqli_init

(PHP 5, PHP 7, PHP 8)

mysqli::init -- mysqli_init初始化 MySQLi 并返回一个资源类型的值,这个值可以作为 mysqli_real_connect() 函数的传入参数

说明

面向对象风格

mysqli::init(): mysqli

过程化风格

mysqli_init(): mysqli

分配,或者初始化一个 MYSQL 对象,可以作为 mysqli_options()mysqli_real_connect() 函数的传入参数使用。

注意:

在调用 mysqli_real_connect() 函数之前调用其他的 mysqli 函数可能会调用失败。 (mysqli_options() 函数除外)。

返回值

返回一个对象。

范例

参见 mysqli_real_connect().

参见

add a noteadd a note

User Contributed Notes 2 notes

up
1
evgen at sysmasters dot net
4 months ago
Correct way to connect db

<?php

mysqli_report
(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("127.0.0.1", "db_user", "db_pass", "db_name",3306);

$result = $mysqli->query("SELECT somefield1, somefield2 FROM sometable ORDER BY ID LIMIT 3");

/* Close the connection as soon as it becomes unnecessary */
$mysqli->close();

foreach (
$result as $row) {
   
/* Processing data received from the database */
echo var_dump ($row);
}
up
-17
Dub B.
2 years ago
<?php

$SQL
= new mysqli// create copy class

# optional
//$SQL -> options(MYSQLI_OPT_INT_AND_FLOAT_NATIVE, 1);
   
$SQL -> real_connect('127.0.0.1', 'root', 'pass', 'database');
   
$SQL_Err = $SQL->connect_errno;
   
if(
$SQL_Err) // if error
   
exit('Error');

?>

备份地址:http://www.lvesu.com/blog/php/mysqli.init.php