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string sanitizer for filename
...a whitelist of characters you are happy to be used? For example, you could allow just good ol' a-z, 0-9, _, and a single instance of a period (.). That's obviously more limiting than most filesystems, but should keep you safe.
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MySQL: determine which database is selected?
After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
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Is there any particular difference between intval and casting to int - `(int) X`?
... behavior is a little surprising given the fact that the function theoretically can do base conversion. It definitely tripped me up before, but perhaps I just need to RTFM a bit more carefully :)
– t-dub
Feb 10 '12 at 17:07
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Default visibility of class methods in PHP
...ithout any explicit visibility keyword are defined as public.
http://www.php.net/manual/en/language.oop5.visibility.php
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How does this checkbox recaptcha work and how can I use it?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What is thread safe or non-thread safe in PHP?
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mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
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Can I install/update WordPress plugins without providing FTP access?
...file permissions set up on your webserver.
It will try various methods in order, and fall back on FTP if Direct and SSH methods are unavailable.
https://github.com/WordPress/WordPress/blob/4.2.2/wp-admin/includes/file.php#L912
WordPress will try to write a temporary file to your /wp-content direc...
如何实现phpcms和discuz的Cookie同步 - 更多技术 - 清泛网 - 专注C/C++及内核技术
如何实现phpcms和discuz的Cookie同步===本文导读===UCenter实现各系统通信的原理如何实现phpcms和discuz的Cookie同步===全文阅读===整合phpcms v9和discuz X3 2实现同步登陆 ===本文导读===
UCenter实现各系统通信的原理
整合phpcms v9和discuz X3.2实...
ucenter应用之间cookietime不能传送问题解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...找到你所需要传送cookietime的应用目录下的uc_client的client.php文件，找到uc_user_synlogin函数，默认是
function uc_user_synlogin($uid) {
$uid = intval($uid);
$return = uc_api_post('user', 'synlogin', array('uid'=>$uid));
return $return;
}
修改为
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