[英]Differences between filter_var and filter_input
Why this doesn't work: 为什么这不起作用:
if(!($data['email'] = filter_var(INPUT_POST,'email',FILTER_SANITIZE_EMAIL)))
{
$errors['email'] = 'Invalid Email.';
}
And this is working: 这是有效的:
if(!($data['email'] = filter_input(INPUT_POST,'email',FILTER_SANITIZE_EMAIL)))
{
$errors['email'] = 'Invalid Email.';
}
Difference here is filter_var
and filter_input
and when I hit submit whit filter_var
doesn't submitting the form but with filter_input
is submitted. 这里的区别是
filter_var
和filter_input
,当我点击提交时,whit filter_var
不提交表单但提交了filter_input
。 Also here 也在这里
filter_input(INPUT_POST,'email',FILTER_SANITIZE_EMAIL))
if I wrote for example some'@email.com
why doesn't remove '
. 如果我写了一些
some'@email.com
为什么不删除'
。 Is it working this function? 它是否正常工作? I'm a bit confused.
我有点困惑。
If you look at arguments filter_var
and filter_input
functions take, you will see why: 如果你看看参数
filter_var
和filter_input
函数,你会明白为什么:
filter_var ($value_to_be_filtered, FILTER_TYPE, $options)
VS VS
filter_input($input_type , $variable_from_input, FILTER_TYPE, $options)
Where $input_type
is one of INPUT_GET
, INPUT_POST
, INPUT_COOKIE
, INPUT_SERVER
, or INPUT_ENV
. 其中
$input_type
是INPUT_GET
, INPUT_POST
, INPUT_COOKIE
, INPUT_SERVER
或INPUT_ENV
。
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