严格标准:参考PHP 5.4只能分配变量 [英] Strict Standards: Only variables should be assigned by reference PHP 5.4
问题描述
我将PHP版本升级到5.4( XAMPP 1.7.3到1.8.0) .现在,对于myDBconnection
,我们看到严格标准错误:
I upgraded my PHP version to 5.4 (XAMPP 1.7.3 to 1.8.0). Now I see Strict Standards error, for myDBconnection
:
严格标准:第4行的C:\ xampp \ htdocs \ alous \ include \ dbconn.php中只能通过引用分配变量
Strict Standards: Only variables should be assigned by reference in C:\xampp\htdocs\alous\include\dbconn.php on line 4
dbconn.php:
<?php
defined('_VALID') or die('Restricted Access!');
$conn = &ADONewConnection($config['db_type']); // <--- This Line 4
if ( !$conn->Connect($config['db_host'],
$config['db_user'],
$config['db_pass'],
$config['db_name'])) {
echo 'Could not connect to MySQL! Please check your database settings!';
die();
}
$conn->execute("SET NAMES 'utf8'");
?>
注意:我不需要使用error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT
方法在php.ini中禁用严格标准!我想修复我的PHP代码.
Note: I don't need to disable Strict Standards in php.ini with this method error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT
! I want to fix my PHP code.
推荐答案
您应删除&
(&"号)符号,以便第4行如下所示:
You should remove the &
(ampersand) symbol, so that line 4 will look like this:
$conn = ADONewConnection($config['db_type']);
这是因为ADONewConnection已经通过引用返回了一个对象.根据文档,将引用结果逐个引用分配给对象从PHP 5.3.0起导致E_DEPRECATED消息
This is because ADONewConnection already returns an object by reference. As per documentation, assigning the result of a reference to object by reference results in an E_DEPRECATED message as of PHP 5.3.0
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