The ‘Web application programming’ Archives
Posted July 20, 2012 by

Display the Date with PHP

Learn how to put a little kick in your static website and display the date via PHP – it’s very simple and easy to customize.

Category PHP programming

Posted February 12, 2012 by

php: Separate Spaced Words within a String

Frequently, coders find they need to split a string into its separate words. If these words are separated by spaces, then the command options are simple.

Category PHP programming

Posted February 1, 2011 by

Symfony 1.4: Add and Update Created_at and Updated_at Fields Automatically

After the CRUD building process with symfony, beginners are often perplexed with the handling of the created_at and updated_at fields on their forms. These fields are typically best handled behind the scenes. Here is how to let symfony take control of these fields automatically.

Category Symfony

Posted February 1, 2011 by

Symfony 1.4: Widget Does Not Exist Error after Unset

With symfony’s form builder, users will need to unset several common fields such as created_at and updated_at. Beginners frequently experience a “widget does not exist” error after unsetting form fields.

Category Symfony

Posted March 19, 2010 by

PHP: Camel Case to Spaces or Underscore

Recently while working on a project, I found I needed to convert camelcase strings to space-separated strings. This same technique will work if you want to convert camelcase to underscore separation as well.

Category PHP programming

Posted March 5, 2010 by

Symfony: Detect Which Version is Installed

The Symfony php framework is frequently updated. Detecting which version is actively installed, however, is not well documented. Here is how to do it.

Category Symfony

Posted November 25, 2009 by

Symfony: Drop Down List Box Without Submit Button

I needed a drop down list box for a symfony site I was designing. As a newbie symfony programmer, I wanted to record this so I could reference it later. Although this uses a little javascript, it will correctly function and is backwards compatible to users without javascript enabled.

Category Symfony

Posted February 12, 2009 by

Pear Fix for “Error: Unable to Unpack”

Recently while trying to install some Pear packages, I received an odd “Error: Unable to Unpack” message. A search for this error message found a lot of complaining people and not a lot of answers. I finally figured out the cause and the fix for this common Pear problem.

Category PHP programming

Posted September 30, 2008 by

PHP: Upload Files to the Server

With PHP, it is simple to upload any file to your server.

Category PHP programming

Posted July 4, 2008 by

Symfony / Propel: How to Left Join

A JOIN is a way to connect related database tables by the common values between them. A left join contains all of the rows from the primary table plus related members of the second database if they exist. Using joins can significantly reduce the number of database queries required to render a web page. This […]

Category Symfony

Posted June 27, 2008 by

Symfony: Rebuild from Schema.yml Without Loss of Data

As my test database became more complex, I hated entering data again after doing a propel-build-all. Following these commands, you can save your database content after rebuilding your database from your schema file.

Category Symfony

Posted April 6, 2008 by

Symfony: Delete an Application

The command line provisioning utility in symfony provides mechanisms to create an application, but doesn’t have the means to delete one. If you’ve unintentionally created an application or no longer need an app and want to do housecleaning, this Tech-Recipe describes how to get it gone.

Category Symfony