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How can I get the MAC and the IP address of a connected client in PHP?

...ow the MAC and the IP address of the connect clients, how can I do this in PHP? 16 Answers ...
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php stdClass to array

...aster than iterating through the objects recursively - most likely because PHP is slow at calling functions). "But I already did this" you say. Not exactly - you used json_decode on the array, but you need to encode it with json_encode first. Requirements The json_encode and json_decode methods. T...
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How to use php serialize() and unserialize()

... A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you ...
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PHP: exceptions vs errors?

Maybe I'm missing it somewhere in the PHP manual, but what exactly is the difference between an error and an exception? The only difference that I can see is that errors and exceptions are handled differently. But what causes an exception and what causes an error? ...
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What is the best method to merge two PHP objects?

We have two PHP5 objects and would like to merge the content of one into the second. There are no notion of subclasses between them so the solutions described in the following topic cannot apply. ...
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Explode PHP string by new line

...tioned in the comment to the first answer, the best practice is to use the PHP constant PHP_EOL which represents the current system's EOL (End Of Line). $skuList = explode(PHP_EOL, $_POST['skuList']); PHP provides a lot of other very useful constants that you can use to make your code system inde...
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Simplest two-way encryption using PHP

What is the simplest way of doing two way encryption in common PHP installs? 6 Answers ...
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How to prevent XSS with HTML/PHP?

How do I prevent XSS (cross-site scripting) using just HTML and PHP? 9 Answers 9 ...
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PHP script - detect whether running under linux or Windows?

I have a PHP script that may be placed on a windows system or a linux system. I need to run different commands in either case. ...
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动态追踪(Dynamic Tracing)技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...在非常短的时间内,回答一些很难的关于软件系统方面的问题,从而更快速地排查和解决问题。它兴起和繁荣的一个大背景是,我们正处在一个快速增长的互联网时代,作为工程师,面临着两大方面的挑战:一是规模,不管是用...