大约有 20,000 项符合查询结果(耗时:0.0287秒) [XML]

https://stackoverflow.com/ques... 

If isset $_POST

... This comparison table is very helpful for things like this php.net/manual/en/types.comparisons.php – A Star Jun 4 '13 at 22:16 2 ...
https://stackoverflow.com/ques... 

PHP script to loop through all of the files in a directory?

I'm looking for a PHP script that loops through all of the files in a directory so I can do things with the filename, such as format, print or add it to a link. I'd like to be able to sort the files by name, type or by date created/added/modified. (Think fancy directory "index".) I'd also like to be...
https://www.tsingfun.com/it/tech/1331.html 

浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...)的监测,迅速定位系统故障,如发生Oracle数据库死锁等问题。 优化系统性能:精确分析系统各个组件占用系统资源情况,中间件、数据库执行效率,根据应用系统性能要求提出专家建议,保证应用在整个寿命周期内使用的系...
https://stackoverflow.com/ques... 

How to sort an array of associative arrays by value of a given key in PHP?

...wiki.php.net/rfc/combined-comparison-operator is that it makes writing ordering callbacks for use with usort() easier PHP 5.3+ PHP 5.3 introduced anonymous functions, but doesn't yet have the spaceship operator. We can still use usort to sort our array, but it's a little more verbose and ha...
https://stackoverflow.com/ques... 

Best way to check if a URL is valid

I want to use PHP to check, if string stored in $myoutput variable contains a valid link syntax or is it just a normal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters. ...
https://stackoverflow.com/ques... 

In PHP, can you instantiate an object and call a method on the same line?

... The feature you have asked for is available from PHP 5.4. Here is the list of new features in PHP 5.4: http://php.net/manual/en/migration54.new-features.php And the relevant part from the new features list: Class member access on instantiation has been added, e.g. (ne...
https://stackoverflow.com/ques... 

Secure hash and salt for PHP passwords

...nksys, Dlink etc). A very good explanation of how this works is here. In order to retrieve password from hash, you will need to know the password as well as salt (network name). Church of Wifi has already pre-computed hash tables which has top 1000 SSIDs and about 1 million passwords. The si...
https://stackoverflow.com/ques... 

How do I implement a callback in PHP?

How are callbacks written in PHP? 9 Answers 9 ...
https://stackoverflow.com/ques... 

Check if URL has certain string with PHP

... worked for me with php if(strpos($_SERVER['REQUEST_URI'], 'shop.php') !== false){ echo 'url contains shop'; } share | improve this answer ...
https://stackoverflow.com/ques... 

How do I get a file extension in PHP?

... theirs is better because they have a built-in function to do that and not PHP (I am looking at Pythonistas right now :-)). In fact, it does exist, but few people know it. Meet pathinfo(): $ext = pathinfo($filename, PATHINFO_EXTENSION); This is fast and built-in. pathinfo() can give you other in...