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How to make PDF file downloadable in HTML link?

...nking to the .PDF file, instead do something like <a href="pdf_server.php?file=pdffilename">Download my eBook</a> which outputs a custom header, opens the PDF (binary safe) and prints the data to the user's browser, then they can choose to save the PDF despite their browser settings....
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PHP Error handling: die() Vs trigger_error() Vs throw Exception

In regards to Error handling in PHP -- As far I know there are 3 styles: 2 Answers 2 ...
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PHP cURL vs file_get_contents

... @velop: Yes. And method, too. And redirects. And timeout... php.net/manual/en/context.http.php – Sz. Mar 28 '18 at 19:54 ...
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Convert from MySQL datetime to another format with PHP

...oking for a way to normalize a date into MySQL format, use the following $phpdate = strtotime( $mysqldate ); $mysqldate = date( 'Y-m-d H:i:s', $phpdate ); The line $phpdate = strtotime( $mysqldate ) accepts a string and performs a series of heuristics to turn that string into a unix timestamp. T...
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json_encode is returning NULL?

... mysql_set_charset is better for the security reason since PHP 5.2.3. See php.net/manual/en/function.mysql-set-charset.php for the details. – masakielastic Jun 3 '13 at 4:07 ...
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Get JSON object from URL

...//paragonie.com/blog/2017/10/certainty-automated-cacert-pem-management-for-php-software // in most cases, you should set it to true curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_URL, 'url_here'); $result = curl_exec($ch); cu...
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程序员之网络安全系列(四):数据加密之非对称秘钥 - 更多技术 - 清泛网 -...

...加密之对称加密算法 我们对数据进行了加密 但是上面的问题是明明和丽丽必须提前知道秘钥,但是如果双方提前不知道秘钥,那么明明就需要“隔壁的王叔叔” 把秘钥告诉丽丽,这个显然是风险太大了,因为”隔壁王叔叔“...
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SSH免密码登陆教程 - 环境配置 - 清泛IT社区,为创新赋能!

...用户自己有写权限。否则验证无效。(今天就是遇到这个问题,找了好久问题所在),其实仔细想想,这样做是为了不会出现系统漏洞
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MIT官方已升级至2.71版本,几乎就是仅增加一个全新主题 - App Inventor 2 ...

...tBot 组件添加了一个新块 ConverseWithImage 来询问有关图像的问题API 密钥需要为 gpt-4 付费) 3、调色板类别可以独立展开/折叠 4、MIT App Inventor 的主体现在通过 CloudFlare 内容交付网络加载。这应该可以更快地启动 MIT App Inventor。 ...
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PHP去除字符串中的最后一个字符 - 更多技术 - 清泛网 - 专注C/C++及内核技术

PHP去除字符串中的最后一个字符最常见的方法是substr($str, strlen($str) - 1),但使用rtrim($str, , )更优雅。 <?php //PHP去除字符串中的最后一个字符 $str="aaaa,bbb,ccc,ddd,eee,"; echo rtrim($str,','); //第一种方法 trim($str,$chsrlist)去除两边的 ...