How to enable query string in codeigniter

If you want to use query string like this :

index.php?page_no=10&id=12&ref=home_page

Go to application/config.php

change

$config[‘enable_query_strings’] = FALSE;

to

$config[‘enable_query_strings’] = TRUE;

Now you can use query strings in codeigniter controllers.
can use this How to enable query string in codeigniter.

How to get current date time in Codeigniter– It is pretty simple & quick to get the current time & date in Codeigniter. First, load date helper in the controller or autoload it in the _autoload file, After loading this helper you will be able to access its methods defined for time & date.

Get current date time with Date Format in Codeigniter.

Now let us go step by step to understand how to date helper is used. 

Load Date Helper

First Make sure the date helper is loaded, If not then load it simply as below-

$this->load->helper('date');

Get Date Time

Once the date helper is loaded you get the current date and time as –

$format = "%Y-%m-%d %h:%i %A";
echo mdate($format);
// this will print 
// 2017-09-06 08:15 PM 

Date Format

You can pass the date time format to the date($format) function where the $format is the date format. Apart from Codeigniter DateTime, we can also use native date functions to get the current DateTime – For example, you can use the now() function to get the current time & date.

Codeigniter Date Time Demo

load->helper('date');

$format = "%Y-%m-%d %h:%i %A";
echo mdate($format);

}

}
?>

If run the above example it will produce output something like this-

For More Details About Date Helper & Functions Read – Date helper

I hope this article was helpful for you.

How to display likes in facebook style in php

Use the following function to format facebook likes, comments count

if(!function_exists(‘format_num’)){
function format_num($n) {
$arr = array(“K”, “M”, “G”, “T”);
$out = “”;
while ($n >= 1000 && count($arr ) > 0) {
$n = $n / 1000.0;
$out = array_shift($arr );
}
return round($n, max(0, 3 – strlen((int)$n))) .” $out”;
}
}

To use this function in codeigniter add this function in

system/helper/url_helper.php file

will give like counts in facebook style.

Ex 100 likes

1000 likes = 1 K

10000 likes = 10 K

You can load library in codeigniter view or anywhere using this trick.

go to – system/helpers/url_helper.php

Add the following function :

function loadLibrary($libraryName)

{

$ci = & get_instance();

$ci->load->library->($libraryName);

return $ci->$libraryName;

}

Now in your view Or any where you want to load library just call this function :

example in  sample_view.php we have to load library :

just call the function :

loadLibrary(‘library_name’);

How to load model in view codeigniter
You can load models in Codeigniter view as :

Example :

$this->load->model(‘product’);

$result =$this->product->productList();

foreach($result as $row) {

echo $row[‘product_name’];

}

Remove index.php in codeigniter

Add the above following code in .htaccess file to Remove index.php in codeigniter.

RewriteEngine on
RewriteCond $1 !^(index\.php|resources|robots\.txt)
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L,QSA] 

 
And

go to application/config.php
and change :

$config['index_page'] = 'index.php';

to

$config['index_page'] = '';

Or You Can Use Also :

DirectoryIndex index.php
RewriteEngine on
RewriteCond $1 !^(index\.php|images|css|js|robots\.txt|favicon\.ico)
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ ./index.php?/$1 [L,QSA]

.htaccess is placed at the root of your application.

After Adding the above changes index.php will be removed in codeigniter.

codeigniter’s latest stable version is V 2.2.0(Current Version). You can download it from

https://ellislab.com/codeigniter/user-guide/installation/downloads.html

You can also download it from github

https://github.com/bcit-ci/CodeIgniter

CodeIgniter is an open source rapid development web application framework, for use in building dynamic web sites with PHP. The first version was released on February 28, 2006
The latest & stable version of codeigniter is 2.2.0
Codeigniter is very good for rapid application development with small footprints. Codeigniter has good documentation.