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URL rewriting-various exercises-seo
Installing mod_rewrite Testing mod_rewrite Working with regular expressions Rewriting numeric URLs with two parameters Rewriting keyword-rich URLs Building a link factory Pagination and UR… Read More
what is CodeIgniter Helpers?
Helpers, as their name implies, help you with specific tasks. Unlike libraries, helpers are not object -oriented but procedural in nature. Each helper contains one or more functions, each focusing on a specific task, with ze… Read More
security to POST-PHP
$_POST
POST-method variables. Form field data from regular
POST-method
forms.
PHP automatically creates variables for all the data it receives
in an HTTP
request. This can include GET data, POST … Read More
codeigniter routes page
The routes.php filelets you remap URI requests to specific controller functions. For example, you may
have a controller named sitewith a function named index. The URI for this controller/function
combination might be… Read More
PHP Expressions
An expression is the basic building block of the language.
Anything with a value can be thought of as an expression.
Examples include:
5
5+5
$a
$a==5
sqrt(9)
By combining many of these basic expressions, you… Read More
how Installing mod_rewrite localhost
If you’ve installed Apache yourself, read on. Because of its
popularity, mod_rewrite is now included with all common
Apache distributions. If desired, you can verify if your Apache installation has the
mod_rewr… Read More- How to Enable mod_rewrite at Server
mod_rewrite may not be enabled by default in your Apache configuration. To make sure,open the Apache configuration file, named httpd.conf.
The full path of the file will be \Program Files\xampp\apache\conf\httpd.conf.
Open … Read More
- var_dump and print_r -PHP-standard
Functions like var_dump and print_r are also invaluable
when debugging
var_dump
var_dump functions displays information about variables in a
simple, readable
format. This function is very useful when debugging—p… Read More
Sorting Arrays-PHP
PHP supports a variety of ways to sort an array when
I say
sort, I am referring to an alphabetical sort if it is a string,
and a numerical
sort if it is a number. When sorting an array,
you must k… Read More
php-Dynamic Variables
Sometimes it is useful to set and use variables dynamically.
Normally, you assign a variable like this:
$var = "hello";
Now let's say you want a variable whose name is the
value of
the $var va… Read More- PHP-MySQL application Security
With these two methods, there’s no longer any need to ever use GET for requests internal to an application. You may still need it for external requests, to other applications and web sites that aren’t coded to look for their… Read More
- Manage Databases on a Server by php
MySQL-related functions.
mysql_list_dbs() Used to list the
databases on a MySQL server.
mysql_num_rows() Returns the
number of rows in a result set.
mysql_tablename() Despite its
name, can extract the name of … Read More
MySQL with php
The basic steps of performing a query, whether using the mysql
command-line tool or PHP, are the same:Connect to the database.Select the database to use.Build a SELECT statement.Perform the query.Display the results.
Wh… Read More
Visualize Traffic with DIY Vector
you will learn how to create your own traffic chart using the incredibly cool
Canvas framework, which can produce vector graphics and animations with a little
bit of HTML and JavaScript. All code referenced in this hack i… Read More- PHP while Loop
PHP while Loop with code
while - loops run a set of code as the condition is true.
Basic Syntaxwhile (condition){ code for executed;}<?php$k=1;while($k<=5) { echo "The numbe… Read More
