In this lesson, you will learn how to upload image files to the server with PHP. Specifically, you will go through every required validation that should be done when uploading files to the server.
This will make your upload scripts maintainable and most importantly secure.Read Full Article...
In this tutorial I will try to teach you about the basic uses of closures (aka anonymous functions) in PHP. You will learn how closures are used as callback functions and how they can inherit variables from the parent scope.
Closures have been introduced in PHP 5.3 and their most important use is for callback functions. Basically a closure in PHP is a function that can be created without a specified name - an anonymous function. Here's a closure function created as the second parameter of
array_walk(). By specifying the
$v parameter as a reference one can modify each value in the original array through the closure function.
In today's tutorial I will show you how to use Bash aliases to create 'shortcuts' to your ssh connections to remote servers on Ubuntu 14.04. This will save you a lot of typing and remembering which private key is used for which server.
All you need to do that is to type a few simple commands, so open up your terminal and follow the steps below. I also made a video so you can just watch the screen-cast at the bottom of the article.Read Full Article...
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