3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = ' <img alt="this is super nice image with lable 4" src="5.jpg" style="height:560px; width:840px"> <img alt="Description 2" src="1.jpg" style="height:560px; width:840px" class="dupa" data-label-class="label-class"> <img src="1.jpg" style="height:560px; width:840px" class="dupa" data-label-class="label-class"> '; $content = html_entity_decode($content, ENT_QUOTES, 'UTF-8'); $doc = new DOMDocument(); $doc->loadHTML($content); $tags = $doc->getElementsByTagName('img'); foreach ($tags as $tag) { // get value of an attribute $alt = $tag->getAttribute('alt'); if (!empty($alt)) { $class = $tag->getAttribute('class'); if (!empty($class)) { $class .= " picla"; } else { $class = "picla"; } $tag->setAttribute('class', $class); } } $content = $doc->saveHTML(); echo $content;
Output for 8.0.30, 8.1.22 - 8.1.33, 8.2.9 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> <html><body><img alt="this is super nice image with lable 4" src="5.jpg" style="height:560px; width:840px" class="picla"> <img alt="Description 2" src="1.jpg" style="height:560px; width:840px" class="dupa picla" data-label-class="label-class"> <img src="1.jpg" style="height:560px; width:840px" class="dupa" data-label-class="label-class"> </body></html>
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.29, 8.1.0 - 8.1.21, 8.2.0 - 8.2.8
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> <html><body><img alt="this is super nice image with lable 4" src="5.jpg" style="height:560px; width:840px" class="picla"><img alt="Description 2" src="1.jpg" style="height:560px; width:840px" class="dupa picla" data-label-class="label-class"><img src="1.jpg" style="height:560px; width:840px" class="dupa" data-label-class="label-class"></body></html>
preferences:
196.84 ms | 411 KiB | 5 Q