How to make a link using Codeigniter.

Here we learn how to use anchor method that is URL helper of Codeigniter.We already discussed in my previous post URL structure of Codeigniter. It creates a anchor tag in HTML view.

We can create anchor links in two ways.

• by using anchor function available in URL helper of Codeigniter.
• by using site_url function available in URL helper of Codeigniter.

Below examples shows how to make HTML link Using anchor function

anchor tag with two parameters,parameter 1 takes segments of the targe page,parameter 2 takes link text.

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<?php  
echo anchor('controller/method/parameter1', 'Link Text');
// <a href="http://example.com/index.php/controller/method/parameter1">Link Text</a>
?>

anchor tag with additional attributes like title

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<?php  
echo anchor('controller/method/parameter1', 'Link  with Title attribute',array('title'=>'Link Title'));// <a href="http://example.com/index.php/controller/method/parameter1" title="Link Title">Link  with Title attribute</a>
?>

anchor tag with javascript attribute.

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<?php  
echo anchor('controller/method/parameter1', 'Link  with Title and javascript',array('title'=>'Link Title','onclick'=>"alert('hi');return false;"));
//<a href="http://example.com/index.php/controller/method/parameter1" title="Link Title" onclick="alert('hi');return false;">Link  with Title and javascript</a>
 
?>

remember anchor tag won’t create internel page link.

Below examples show how to make HTML link using site_url function

We can use site_url output as href attribute and can make internel links also.

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<p><a href="<?php echo site_url('controller/method/parameter1'); ?>">with site_url function </a></p>
<p><a href="<?php echo site_url('controller/method/parameter1'); ?>" title="link title">with site_url function and title attribute </a></p>

Test it in your local system

To test these functions ,just download the example files and paste into your codeigniter root directory. run the example.

if you have any queries you can mail me.

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