I found CodeIgniter form validation to show error message with load->view method, and will lost field error message if use “redirect”. Currently I use one function to show form page, and another function to deal form post. class Users extends CI_Controller { function __construct() { parent::__c…
Tag: php
How to get database name in PDO?
Is there a function or constant within PDO that stores the database name (the testdb value) ? I did a var_dump on $dbh and cant find anything… Answer You could use the setAttribute() (essentially a key value pair) method to store the database name when you set it up initially, then use the getAttribute(…
Working with two entity managers in the same bundle in Symfony2
I’m trying to work with two entity managers for the same bundle. My configuration is like this: Is there any way to tell which entities belong to which entity manager? It crashes now if I want to work with a table which doesn’t belong to the default entity manager. UPDATE here is my configuration …
How can I keep an HTML snippet in a separate file, plug variables in as needed, and echo it out on demand?
For instance, let’s say I have a snippet of code, which I’d like to keep separate. for now, we’ll call it snippet.php. snippet.php would be a simple block of reusable HTML which would have php variables in it. Something like this: I’d like to be able to return this code from a function…
Using Environment variables in WordPress wp-config
I’m using phpfog.com for hosting and github.com for issue tracking, etc. I have two remotes setup, one to phpfog.com, and the other to github. In the back-end admin of phpfog you can define …
How to detect the screen DPI using JavaScript
The only way I found till now, is getting the offsetWidth, offsetHeight of a test div element with height and width of one inch: http://www.infobyip.com/detectmonitordpi.php Is there a way to detect …
Simplest two-way encryption using PHP
What is the simplest way of doing two way encryption in common PHP installs? I need to be able to encrypt data with a string key, and use the same key to decrypt on the other end. The security isn’t as big of a concern as the portability of the code, so I’d like to be able to keep things
Convert list into an array using php. How?
I have a function called listelements(), which outputs text like <li>text1</li><li>text2</li>. I have more than 500 elements. Now I want to convert it into an array. Can anyone help me? Thanks. Note: I’m using php Update: The thing i want to achieve is alphabetical navigation. As…
How long can a TLD possibly be?
I’m working on an email validation regex in PHP and I need to know how long the TLD could possibly be and still be valid. I did a few searches but couldn’t find much information on the topic. So how long can a TLD possibly be? Answer DNS allows for a maximum of 63 characters for an individual labe…
PHP if statements inside of echo to create HTML option list
I have a HTML option list of 10 numbers. I want one of these options to be pre-selected based on a value retrieved from a database. If the retrieved value is 0 or FALSE then value=”0″ should be selected, if the retrieved value is 1 then value=”1″ should be selected, etc. I have looked …