[英]php reference pass
I have a problem with passing variables as reference in PHP. 我在PHP中将变量作为引用传递时遇到问题。
I want to set $grand_total
after: 我想在以下位置设置
$grand_total
:
$data = array('title' => 'blabla', 'value' => &$grand_total);
// Set after
$grand_total += 50;
This is running without a problem, but when I pass $grand_total
var using a function, I get the error below: 这运行没有问题,但是当我使用函数传递
$grand_total
var时,出现以下错误:
PHP Error was encountered Severity: 8192 Message: Call-time pass-by-reference has been deprecated Filename: controllers/checkout.php Line Number: 131
遇到PHP错误严重性:8192消息:已不赞成调用时传递引用文件名:controllers / checkout.php行号:131
I'm passing the variable like this: 我正在像这样传递变量:
$data = array('title' => 'blabla', 'value' => price(&$grand_total));
// Set after
$grand_total += 50;
I must use the price()
function. 我必须使用
price()
函数。
Can anyone help me? 谁能帮我?
I'm sorry for my bad English. 对不起,我的英语不好。
This would work perfectly fine for you 这对你来说很好
$grand_total = 10;
function &price($value)
{
$value += 10;
return $value ;
}
$grand_total = price($grand_total);
$data = array('title' => 'blabla', 'value' =>$grand_total);
$grand_total += 50;
var_dump($grand_total)
Output 产量
int 70
For more Information 欲获得更多信息
http://us3.php.net/manual/en/language.references.php http://us3.php.net/manual/zh/language.references.php
http://us3.php.net/manual/en/language.references.pass.php http://us3.php.net/manual/zh/language.references.pass.php
Thanks :) 谢谢 :)
Without the function its a bit difficult. 没有该功能,将有些困难。 We don't know what is on line "131"
我们不知道“ 131”行上的内容
Look to your php.ini 查看您的php.ini
allow_call_time_pass_reference = On
If this parameter is set to off its not working. 如果将此参数设置为关闭,则它不起作用。 But general its deprecated in PHP 5 to call the time function with a reference ("&$grand_total").
但是一般而言,PHP 5中已弃用使用引用(“&$ grand_total”)调用time函数。 Call the function without the reference or assign the reference in your function to another variable and use the variable not the reference.
调用不带引用的函数,或将函数中的引用分配给另一个变量,然后使用变量而不是引用。
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