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Articles to teach about PHP matters and related topics

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284. Create a Google Maps alternative with PHP and MySQL using the Leaflet library

Posted on: 2015-05-27

Leaflet is a JavaScript library that became popular for creating mobile friendly Web maps applications. It does not depend on Google, so you do not need to pay fees as you may need to when you use Google Maps.

Read this tutorial to learn how to use Leaflet library with PHP and MySQL to create an alternative to Google Maps and implement it on your site.


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283. PHP Multi-Factor Authentication for Web Development

Posted on: 2015-05-25

When we need to provide our users access only to certain information, or limit access to features for authorized users only, we need to use user authentication.

We can never be 100% certain users are who they claim to be. However we can get close using multiple authentication factors.

Read this article to learn more about multi-factor authentication and when we should use them or not.


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282. Extending PHP Classes and the Object Model

Posted on: 2015-05-20

Nowadays many PHP developers use Object Oriented Programming (OOP). However not every PHP developer really understands why that is a good thing.

Some use OOP just because they see others using it, without knowing very well its benefits nor how to create a consistent object model that addresses the needs of their applications.

Read this article to learn how objects can represent the real world through classes and how you can create an object model for your PHP application.


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279. 3 Ways to Access Application Common Data in PHP

Posted on: 2015-05-11

Every PHP application needs to use throughout its code, the same kinds of common data or functions, like for instance configuration values.

Read this article to learn about the Gateway pattern, an additional way to access common application data besides better known ways that use global and static variables.


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277. Fix the AJAX Requests that Make PHP Take Too Long to Respond

Posted on: 2015-05-04

Nowadays we develop applications that depend a lot on AJAX requests, in some cases close to 100% of the pages. Sometimes we notice that when a Web page sends two or more AJAX requests, PHP takes too much time to respond and then the responses are returned almost at the same time.

Chances are that the problem may be caused by the way you handle PHP sessions. Read this article to understand this problem and what you can do to avoid it.


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276. PHP IPC with Daemon Service using Message Queues, Shared Memory and Semaphores

Posted on: 2015-04-23

In a previous article, we learned how to create a simple daemon service in PHP to monitor and process an important activity on a machine in the background.

Now we move with a more advanced topic which is how daemon processes can communicate with other programs, or with other instances of the same daemon process.

Read this article to learn how to perform IPC, Inter-Process communication in PHP to send and receive data using message queues, as well as to transmit large volumes of data using shared memory, an using semaphores to prevent problems caused by simultaneous accesses.


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273. 5 Urgent Maintenance Tasks You May Need to Perform on Your Site Now

Posted on: 2015-04-15

The recent times have been crazy for developers and Webmasters that strive to keep their sites running without disruptions.

What happens is that several important external sites and services are changing their APIs or introducing new rules that may break the code of your sites.

Read this article to learn about some important sites and APIs that are changing, so you can check if you need to perform urgent maintenance tasks to keep your sites working without troubles.


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272. Team Communication Starts with HipChat

Posted on: 2015-03-31

HipChat combines every communication method you’d ever need—IM, group chat, screen sharing, file sharing, link sharing, video and voice calling—into a single solution.

Working remotely, working across time zones, and working with the person right next to you becomes infinitely simpler and more efficient. Find out more.


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271. How PHP 7 Can Help You Write Better Tests

Posted on: 2015-03-30

With the introduction strict type hinting, PHP 7 will creating more robust tests that will help us to develop better quality code.

Read this article to learn how you can write more robust tests in practice with the help of strict type hinting.


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270. Creating a PHP Daemon Service

Posted on: 2015-03-27

Daemons are special applications that can monitor and process an important activity on a machine in the background.

Read this article to learn how to create a daemon in pure PHP, handling signals, handle multiple asynchronous I/O and events with libevent, monitoring daemon performance, starting the daemon and distribute your daemon application as a PHAR archive.


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