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QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别 - 更多技术 - 清泛...

QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别通过实例说明PHP中QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别。实例: 1、http://localhost/aaa/ (打开aaa中的index.php) $_SERVER['QUERY_STRING'] = ""; $_SERVER['REQUEST_URI'] = "/aaa/"; $_SERVER['SCRIPT_NAME...
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What's the difference between :: (double colon) and -> (arrow) in PHP?

... used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members). In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static...
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PHP convert XML to JSON

...passed, and various version fixes, but on PHP 5.6.30, this method produces ALL of the data. Attributes are stored in the array under the @attributes key, so it works absolutely flawlessly, and beautifully. 3 short lines of code solve my problem beautifully. – AlexanderMP ...
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Tips for debugging .htaccess rewrite rules

...as many respondents suggest. Also there are many .htaccess -specific pitfalls and constraints are aren't covered well. Setting up a local test LAMP stack involves too much of a learning curve for most. ...
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How to post data in PHP using file_get_contents?

...Sending an HTTP POST request using file_get_contents is not that hard, actually : as you guessed, you have to use the $context parameter. There's an example given in the PHP manual, at this page : HTTP context options (quoting) : $postdata = http_build_query( array( 'var1' => 'some...
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How to read if a checkbox is checked in PHP?

... this is the really good form to do this in pure simple php. but have to note that the value of a checkbox is string on when it is activated an a inexisting value if it is checked. – Elvis Technologies ...
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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...经常死机,登陆到终端看了一下,都是常见的 Out of memory 问题。这通常是因为某时刻应用程序大量请求 最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉,还有位客户抱怨 VPS 经常死机,登陆到终端看了一下,都是常见的 Out of memory 问...
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How to save an HTML5 Canvas as an image on a server?

I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is: ...
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Convert SVG image to PNG with PHP

I'm working on a web project that involves a dynamically generated map of the US coloring different states based on a set of data. ...
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Getting the names of all files in a directory with PHP

... Not all filenames have the form *.*: just use * instead. – jameshfisher Feb 24 '14 at 17:17 ...