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Only variables should be passed by reference
...file_name) cannot be turned into a reference. This is a restriction in the PHP language, that probably exists for simplicity reasons.
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(HTML) Download a PDF file instead of opening them in browser when clicked
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you will need to use a PHP script (or an other server side language for this)
<?php
// We'll be outputting a PDF
header('Content-type: application/pdf');
// It will be called downloaded.pdf
header('Content-Disposition: attachment; filename="do...
Safely remove migration In Laravel
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I accidentally created a migration with a bad name (command: php artisan migrate:make). I did not run (php artisan migrate) the migration, so I decided to remove it.
My steps:
Manually delete the migration file under app/database/migrations/my_migration_file_name.php
Reset the compos...
20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...金 OISF（Open Information Security Foundation）拥有的。
17. VnStat PHP — 监测网络带宽
VnStat PHP 是一个 web 前端应用最流行的社交工具叫“vnstat”。 VnStat PHP 使用了很好的图形模式监控网络流量的使用情况。它显示了每时、每天、每月的...
What is the difference between public, private, and protected?
...e property / method will be public.
More: (For comprehensive information)
PHP Manual - Visibility
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Why should I use version control? [closed]
...t can be local and doesn't have to be on the web for anyone to see? I use php designer, I love it and it has integration for Tortoise SVN, not sure if that is a good one
– JasonDavis
Sep 11 '09 at 0:50
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Are global variables bad? [closed]
... higher performing code. "Passing" requires constant stack dynamic memory allocation, and this would be silly for something that ought to be a global, such as global buffer for incoming socket data. For example, if you have a function that reads Winsock recv(), why constantly create and deallocate...
Creating PHP class instance with a string
...\Bar\MyClass';
$instance = new $class();
Other cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$meth...
How to convert xml into array in php?
I want to convert below XML to PHP array. Any suggestions on how I can do this?
9 Answers
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