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How can I sanitize user input with PHP?
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It's a common misconception that user input can be filtered. PHP even has a (now deprecated) "feature", called magic-quotes, that builds on this idea. It's nonsense. Forget about filtering (or cleaning, or whatever people call it).
What you should do, to avoid problems, is quite simpl...
Detect when browser receives file download
...expireCookie( "downloadToken" );
attempts = 30;
}
Example server code (PHP):
$TOKEN = "downloadToken";
// Sets a cookie so that when the download begins the browser can
// unblock the submit button (thus helping to prevent multiple clicks).
// The false parameter allows the cookie to be expose...
PHP - Extracting a property from an array of objects
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If you have PHP 5.5 or later, the best way is to use the built in function array_column():
$idCats = array_column($cats, 'id');
But the son has to be an array or converted to an array
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Multiple inputs with same name through POST in php
... to get multiple inputs of the same name to post and then access them from PHP? The idea is this: I have a form that allows the entry of an indefinite number of physical addresses along with other information. If I simply gave each of those fields the same name across several entries and submitted...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...houldn't be a problem isn't it? At least I usually use the $_POST array in PHP only when processing forms.
– Calmarius
Mar 20 '15 at 18:45
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Serializing PHP object to JSON
So I was wandering around php.net for information about serializing PHP objects to JSON, when I stumbled across the new JsonSerializable Interface . It's only PHP >= 5.4 though, and I'm running in a 5.3.x environment.
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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PHP 7 standard library provides the random_bytes($length) function that generate cryptographically secure pseudo-random bytes.
Example:
$bytes = random_bytes(20);
var_dump(bin2hex($bytes));
The above example will output some...
How do I get the last inserted ID of a MySQL table in PHP?
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mysql_(...) is deprecated in PHP >= 5.5 version.
– Iago
Oct 30 '14 at 2:12
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How to make PDF file downloadable in HTML link?
...nking to the .PDF file, instead do something like
<a href="pdf_server.php?file=pdffilename">Download my eBook</a>
which outputs a custom header, opens the PDF (binary safe) and prints the data to the user's browser, then they can choose to save the PDF despite their browser settings....
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...配和释放。
5．下面介绍一种比较复杂的情况，利于对问题的深入理解。例如我们现在用到的ICF底层库就有很多类似下面的函数：
void CTestDlg::GetString(BSTR* state)
{
_bstr_t m_state(L"cc");
*state = m_state.copy();
}
其中_bstr_...