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Revision: 66711
at June 23, 2014 17:38 by apphp-snippets
Initial Code 
<?php
$postText = '..includes html + image tags';
 
// find first image and redo it
preg_match_all('/<img[^>]+>/i', $postText, $images);
$postThumbnail = isset($images[0][0]) ? $images[0][0] : '';
$postThumbnail = preg_replace('/(width|height|style)="*"/', '', $postThumbnail);
$postThumbnail = preg_replace('/<img/', '<img class="blog-post-thumbnail"', $postThumbnail);
 
echo $postThumbnail;
echo $postText;
?>
Initial URL 
http://www.apphp.com/index.php?snippet=php-change-image-properties-on-fly
Initial Description 
Sometimes you may need to change image properties 'on-the-fly'. The best example is when you want to display blog post short description, retrieve the first image and try to turn it into the thumbnail: change some properties and add a special class name.
Initial Title 
Change Image Properties 'On-The-Fly'
Initial Tags 
php, image
Initial Language 
PHP