misd / linkify
Converts URLs and email addresses in text into HTML links
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Requires
- php: >=5.3.0
Requires (Dev)
- phpunit/phpunit: ^4.0 || ^5.0
README
Converts URLs and email addresses into clickable links. It works on both snippets of HTML (or plain text) and complete HTML pages.
There are many regex variations shared on the internet for performing this task, but few are robust. Linkify contains a large number of unit tests to counter this.
It does not cover every possible valid-yet-never-used URLs and email addresses in order to handle 'real world' usage (eg no 'gopher://'). This means, for example, that it copes better with punctuation errors.
Authors
- Chris Wilkinson
It uses regex based on John Gruber's Improved Liberal, Accurate Regex Pattern for Matching URLs.
Installation
composer require misd/linkify
Usage
$linkify = new \Misd\Linkify\Linkify(); $text = 'This is my text containing a link to www.example.com.'; echo $linkify->process($text);
Will output:
This is my text containing a link to <a href="http://www.example.com">www.example.com</a>.
Options
Options set on the constructor will be applied to all links. Alternatively you can place the options on a method call. The latter will override the former.
$linkify = new \Misd\Linkify\Linkify(array('attr' => array('class' => 'foo'))); $text = 'This is my text containing a link to www.example.com.'; echo $linkify->process($text);
Will output:
This is my text containing a link to <a href="http://www.example.com" class="foo">www.example.com</a>.
Whereas:
$linkify = new \Misd\Linkify\Linkify(array('attr' => array('class' => 'foo'))); $text = 'This is my text containing a link to www.example.com.'; echo $linkify->process($text, array('attr' => array('class' => 'bar')));
Will output:
This is my text containing a link to <a href="http://www.example.com" class="bar">www.example.com</a>.
Available options are:
attr
An associative array of HTML attributes to add to the link. For example:
array('attr' => array('class' => 'foo', 'style' => 'font-weight: bold; color: red;')
callback
A closure to call with each url match. The closure will be called for each URL found with three parameters: the url, the caption and a boolean isEmail
(if $isEmail
is true, then $url
is equals to $caption
.
If the callback return a non-null value, this value replace the link in the resulting text. If null is returned, the usual <a href="URL">CAPTION</a>
is used.
$linkify = new \Misd\Linkify\Linkify(array('callback' => function($url, $caption, $isEmail) { return '<b>' . $caption . '</b>'; })); echo $linkify->process('This link will be converted to bold: www.example.com.'));