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How can I run a PHP script in the background after a form is submitted?

...using the following line to invoke the email script: shell_exec("/path/to/php /path/to/send_notifications.php '".$post_id."' 'alert' >> /path/to/alert_log/paging.log &"); It is important to notice the & at the end of the command (as pointed out by @netcoder). This UNIX command runs ...
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Remove excess whitespace from within a string

...xtra whitespace for you - make sure you have "\" before "s" :) some online-php-testing pages remove it :) – jave.web Jul 3 '16 at 11:27 ...
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Manipulate a url string by adding GET parameters

... Basic method $query = parse_url($url, PHP_URL_QUERY); // Returns a string if the URL has parameters or NULL if not if ($query) { $url .= '&category=1'; } else { $url .= '?category=1'; } More advanced $url = 'http://example.com/search?keyword=test&...
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内存管理内幕:动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...II 上进行汇编语言编程的时代,那时内存管理还不是个大问题。您实际上在运行整个系统。系统有 多少内存,您就有多少内存。您甚至不必费心思去弄明白它有多少内存,因为每一台机器的内存数量都相同。 所以,如果内存需...
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大数据时代的数据化运营 - 资讯 - 清泛网 - 专注C/C++及内核技术

...下,我们在运营中看到可以获得有效数据的原始数据不是问题,去除无效和虚假的数据才是关键。 相信做发行的同行都知道,在实践中,会遇到通过某些渠道或者是CPS,或者是广告渠道,他们一定会有大量的虚假的数据在里面...
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How can I capture the result of var_dump to a string?

... Use output buffering: <?php ob_start(); var_dump($someVar); $result = ob_get_clean(); ?> share | improve this answer | ...
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PHP 5.4 Call-time pass-by-reference - Easy fix available?

... call by reference in the function definition, not the actual call. Since PHP started showing the deprecation errors in version 5.3, I would say it would be a good idea to rewrite the code. From the documentation: There is no reference sign on a function call - only on function definitions. F...
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App Inventor 2 中文网原创内容 · App Inventor 2 中文网

... 基础知识 组件用法 技巧分享 问题解决 教程分享 App Inventor 2 中文网原创的技术文档,作品,技术文章,帖子,问答,技术指导,问题解决思路等。 基础知识 【连接调试】App Inventor 2 连接方式...
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TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 算法 但是上面的这个算法在重传的时候会出有一个终极问题——你是用第一次发数据的时间和ack回来的时间做RTT样本值,还是用重传的时间和ACK回来的时间做RTT样本值? 这个问题无论你选那头都是按下葫芦起了瓢。 如下图所...
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Add Text on Image using PIL

... To add text on an image file, just copy/paste the code below <?php $source = "images/cer.jpg"; $image = imagecreatefromjpeg($source); $output = "images/certificate".rand(1,200).".jpg"; $white = imagecolorallocate($image,255,255,255); $black = imagecolorallocate($image,7,94,94); $font_siz...