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Latest PHP Classes blog posts

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1. Starting Long Server PHP Scripts and Monitor their Status Part 1: The Theory

Posted on: 2015-09-22

Blog: Asynchronous Long Server Tasks package blog
Package: Asynchronous Long Server Tasks

Typical HTTP requests take no more than a few seconds. By default PHP limits script execution to 30 seconds. However, sometimes you need to execute tasks that much longer.

Read this article to learn how to start long tasks without making the user wait and still give progress information of a long task running on the server side.


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2. Creating an AJAX based PHP Shopping Cart Part 2: Removing Items and Checkout

Posted on: 2015-09-21

Blog: Shopping Cart package blog
Package: Shopping Cart

The first part of this tutorial article covered the importance of shopping carts in sites that sell products and how to make a simple shopping cart that can add products from a database via an AJAX based Web interface.

Read this part of the article to learn how to perform other important operations like removing products or empty the shopping cart and how to proceed to the checkout.


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313. PHP and JavaScript Innovation Award Report September 2015 Edition - June 2015 nominees

Updated on: 2015-10-22

This is the September edition of the Innovation Award podcast hangout recorded by Manuel Lemos and Arturs Sosins to comment on the outstanding features of all the past month nominees and winners PHP and JavaScript packages, the prizes that the authors earned, starting with the nominees from the month of June 2015.

Listen to the podcast, or watch the hangout video to learn why the nominated packages were considered to be innovative.


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2. Improving Your PHP Code Performance Part 2: Tuning with Preemptive Caching

Posted on: 2015-09-15

Blog: PHP Preemptive Cache package blog
Package: PHP Preemptive Cache

One way to improve the performance of slow scripts is to use caching techniques to minimize the time to retrieve data that takes a long time to compute.

Read this article to learn how to apply the Preemptive Cache class in practice to optimize the performance of scripts that retrieve data from databases.


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312. PHP 7.1 Features PCO for Cryptography like PDO is for Database - Lately in PHP podcast episode 63

Posted on: 2015-09-14

A recent proposal for PHP 7.1 aims to create a new extension named PCO (PHP Cryptography Objects) for data encryption, decryption, signing, etc.. It will be like what PDO (PHP Database Objects) is for database access.

The discussion about the PCO extension was one the main topics commented by Manuel Lemos and Arturs Sosins in the episode 63 of the Lately in PHP podcast.

They also commented on other PHP 7.1 features in discussion like having visibility modifiers for class constants, shorter closure function declarations, and having random value generation functions throwing exceptions.

Listen to the podcast, or watch the hangout video to learn more about these interesting PHP topics.


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1. Creating an AJAX based PHP Shopping Cart Part 1: Building the Cart

Posted on: 2015-09-09

Blog: Shopping Cart package blog
Package: Shopping Cart

Many sites need to sell products online. There are many PHP e-commerce platforms but when you need something simple and easy, such platforms may be too much to adapt for your needs.

Read this article to learn how to implement a shopping cart that you can easily customize using PHP and a MySQL database to let your users view and pick the products they want to buy with fast user interface based on AJAX.


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1. Improving Your PHP Code Performance Part 1: Profiling and Detecting Slow Code

Posted on: 2015-09-08

Blog: PHP Preemptive Cache package blog
Package: PHP Preemptive Cache

Sometimes we have to deal with PHP code that takes longer to run than it should. When that happens we tend to keep trying to figure the causes and take every opportunity to improve the code. Sometimes it is not enough to clean up or refactor the code.

Read this article to learn techniques to detect what PHP code is causing your application to run so slow.


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2. Calculating Periodical Events in PHP Part 2: Solving a Real World Problem

Posted on: 2015-09-07

Blog: PHP Sweepstakes package blog
Package: PHP Sweepstakes

In the first part of this article it was covered the problem of computing the dates of periodical events and nuances that can make the solution more complicated.

Read this article to learn how to use the PHP Sweepstakes package to solve a real world example of the problem.


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2. Sentiment Analysis in PHP Part 2: Applying the Solution in Practice

Posted on: 2015-09-01

Blog: PHP Sentiment Analyzer package blog
Package: PHP Sentiment Analyzer

In the first part of this article we learned about the theory of analyzing a text to determine the sentiments expressed by the user that wrote it.

Read this article to learn to how to implement a sentiment analysis application in practice based on the PHP Sentiment Analyzer class.


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1. Calculating Periodical Events in PHP Part 1: The Problem Challenges

Posted on: 2015-08-31

Blog: PHP Sweepstakes package blog
Package: PHP Sweepstakes

Sometimes it is necessary to calculate the days of periodical events, like for instance sweepstakes, contests, regular publications, etc..

In general, it is an easy problem to solve. However when the events span multiple days and must not occur in holidays, the problem becomes less trival to solve.

Read this article to learn how you can use the PHP Sweepstakes class to compute the days of regular event taking in account these nuances that may complicate the calculations.


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