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PHP session lost after redirect
How do I resolve the problem of losing a session after a redirect in PHP?
35 Answers
3...
Fastest Way to Serve a File Using PHP
...t's actually the best way. The basis is that you do your access control in php and then instead of sending the file yourself you tell the web server to do it.
The basic php code is :
header("X-Sendfile: $file_name");
header("Content-type: application/octet-stream");
header('Content-Disposition: at...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
... operator to
copy an array by reference.
And the given example :
<?php
$arr1 = array(2, 3);
$arr2 = $arr1;
$arr2[] = 4; // $arr2 is changed,
// $arr1 is still array(2, 3)
$arr3 = &$arr1;
$arr3[] = 4; // now $arr1 and $arr3 are the same
?>
For the first part, the best ...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...碎片
缓存本地化友好
通用性，兼容性，可移植性，易调试
现状
目前大部分服务端程序使用glibc提供的malloc/free系列函数，而glibc使用的ptmalloc2在性能上远远弱后于google的tcmalloc和facebook的jemalloc。 而且后两者只需要使用LD_PREL...
Why use sprintf function in PHP?
I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it?
...
In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]
I have a common script which Im including in my PHPcron files and the files which are accessing through the browser. Some part of the code, I need only for non cron files. How can I detect whether the execution is from CLI or through browser (I know it can be done by passing some arguments with the ...
Catching multiple exception types in one catch block
...
Update:
As of PHP 7.1, this is available.
The syntax is:
try
{
// Some code...
}
catch(AError | BError $e)
{
// Handle exceptions
}
catch(Exception $e)
{
// Handle the general case
}
Docs: https://www.php.net/manual/en/lang...
Type-juggling and (strict) greater/lesser-than comparisons in PHP
PHP is famous for its type-juggling. I must admit it puzzles me, and I'm having a hard time to find out basic logical/fundamental things in comparisons.
...
PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
PHP操作MongoDB时的整数问题及对策本文所说的整数问题，其实并不是MongoDB的问题，而是PHP驱动的问题：MongoDB本身有两种整数类型，分别是：32位整数和64位整数，但旧版的PHP...本文所说的整数问题，其实并不是MongoDB的问题，而是P...
PHP 错误记录和聚合的平台Sentry实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP 错误记录和聚合的平台Sentry实战不管你用什么编程语言，都会面临如何处理错误日志的问题。很多程序员对错误日志放任自流，直到出现故障了才追悔莫及，如果问我怎么办，我会...不管你用什么编程语言，都会面临如何处...