There may be occasions that the programs that you develop in your development environment does not fetch the desired results when the programs are moved to the production environment.
The possible cause of this problem may be due to active caching in cakePHP which tends to bring in copies of text from older program revisions.
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Quick and easy steps
Grab a copy of cakePHP from cakephp.org website
You can either create the new cakephp website in the root (http://localhost/) or by adding it as a subfolder (http://localhost/mycakesite/)
If you create it as a subfolder, then configure the appropriate path settings for linking images in the web pages.
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PHP Program Flow
A call that is made to execute a sequence of code in PHP program is sent to PHP core library written in C programming language which in turn would talk with the underlying operating system to get the results of its execution.
What is buffer?
A buffer is a temporary memory location to hold data for faster program execution time. The data may be stored as a heap or as a stack. Stack can be visualized as a FILO array of data and heap as a linked list of data.
Why we need to take care of buffer overflows?
Programmers who know about certain loop holes can exploit this feature in by pointing a record in the heap or stack to prewritten block of hackable code. These are called buffer overflow attacks.
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How to read RSS feeds (XML file) and display contents in CakePHP?
Parsing an XML feed can be done in simple steps as follows in CakePHP …
CakePHP Controller: /app/controllers/rss_controller.php
<?php
/**
* CakePHP Controller to parse XML file
*/
class RssController extends AppController{
var $name = "Rss";
// As the RSS will not currently use a database
var $uses = array();
var $feed_url = "http://kurinchilamp.kurinchilion.com/feed";
var $rss_item = array();
function index(){
App::import('Xml');
$parsed_xml =& new XML($this->feed_url);
// xml to array conversion
$this->rss_item = $parsed_xml->toArray();
$this->set('data', $this->rss_item['Rss']['Channel']['Item']);
}
}
?>
CakePHP View: /app/views/rss/index.ctp
How to get XML content in cakePHP controller?
App::import('Xml');
$url = Server.Mappath("file/xml_file.xml");
$parsed_xml =& new XML($url);
Personal Home Page – PHP Hypertext Processor
1997 – PHP/FI 2 solely handled by Rasmus
1998 – Zeev and Andi teamed up with Rasmus to give a new face to PHP by rewriting the core engine and a facility to interface with different technologies using API giving rise to the next version PHP 3. PHP 3 continuously parsed the scripts when they were getting executed. (more…)
phpMyAdmin is a web based interface to MySQL which is written using PHP for Administration of databases. Visual interface provided is intuitive and it saves time for the developers. (ver 3.1.1 is the recommended version as of this writing which runs on PHP 5/MySQL 5)
Step 1: First we need to check MySQL is installed by issuing the following command
[root@user Desktop]# which mysql
If you get …
/usr/bin/mysql
then, it is an indication that MySQL is installed in your machine. (more…)
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