PHP Wordpress Shortcode Regex embedded in html

Question

I am trying to parse out images from a wordpress post with get_the_content().

It returns a bunch of html and multiple lightbox shortcodes:

<ul>
    <li>testing1</li>
    <li>egfgf</li>
</li>
<p>Here!</p>
[lightbox link="http://www.test.com/photo1.jpg" width="150" align="none" title="photo 1" frame="true" icon="image"]
[lightbox link="http://www.test.com/photo2.jpg" width="150" align="none" title="photo 2" frame="true" icon="image"]
[lightbox link="http://www.test.com/photo5.jpg" width="150" align="none" title="photo 5" frame="true" icon="image"]

The html is not always like above and can be any html variant. My question is how can I use a regex pattern to get the link value from all the lightbox shortcodes?

Desired output:

Array
(
[0] => Array
    (
        [0] => http://www.test.com/photo1.jpg
        [1] => http://www.test.com/photo2.jpg
        [2] => http://www.test.com/photo5.jpg
    )
)

Patterns I've tried using:

preg_match_all('/(?<![^"])\S+\.[^"]+/', $text, $matches);
print_r($matches);

This works on just lightbox text but when I add the html it doesnt work.

Why does my regex work on this site http://regex101.com/r/eE6fU9 but not in php?

hwnd · Accepted Answer · 2013-11-15 19:14:51Z

1

You can use the following

preg_match_all('/\[lightbox[^\]]*link="([^"]*)"[^\]]*\]/i', $text, $matches);
print_r($matches[1]);

See demo

answered Nov 15, 2013 at 19:14

hwnd

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1 Comment

user2997491 Over a year ago

I was having a hard time getting the value from the array. Your regex works 100%. Thanks!

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