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MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge basePHP & Development

PHP sessions: where they live, and why users get logged out

A PHP session is a small file on the server, tied to the visitor by a cookie (the PHPSESSID). That is where the application keeps who is logged in, what…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseBackups & Migration

Keeping your own copy of your e-mail: how to back up a mailbox

Your messages are in the account and are part of the daily copy we make, but a mailbox nobody has copied out is a mailbox with a single copy. To…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseChoosing the Right Plan

Which hosting plan for a school or training centre: site, e-mail and online lessons

It depends on what the school will put online. A site with information, enrolment and e-mail for the teachers fits an ordinary shared plan. A learning platform, where students log…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge basecPanel & WHM

Password protecting a folder with Directory Privacy

To make sure only people with a username and password can open a folder of the site (a private area, a test site, a folder of files for a customer),…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDatabases

Creating a database user and giving it the right privileges

A database without a user is no use to anyone, and a user with too many privileges is an open door. In cPanel you do it in MySQL Databases: create…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge basePHP & Development

Sending e-mail from PHP: mail() or SMTP

Use SMTP with a real mailbox on your domain. The mail() function is fine for a quick test, but it returns “sent” only because the local mail program accepted the…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDatabases

Database indexes in phpMyAdmin: the types, the column order, and how to add one

An index is a sorted list of one column (or several) that the database consults instead of reading the whole table. To find a customer by e-mail, with no index…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseBackups & Migration

Testing a migrated site before you change the DNS (the hosts file)

To see the new site before the DNS changes, add one line to your computer’s hosts file saying “this domain lives at this IP address”. Only your computer goes to…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDatabases

Connecting to MySQL from PHP: mysqli and PDO, with a working example

PHP has two ways of talking to the database: mysqli (MySQL and MariaDB only) and PDO (which also serves PostgreSQL and others). For a new project PDO is the safe…

MozOut - United States www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseBackups & Migration

Handing a website over to a client or another company: what to move and what to change

Handing over a site is four different things, and each has its own owner: the domain, the hosting account, the content, and the third-party accounts (analytics, e-mail, payments). The usual…