3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = 'Samsung UN32EH4003 32-inch 720p 60Hz LED HDTV (Black)'; $arr=array(); preg_match_all('/\b([0-9A-Za-z]{3,})\b/i', $string, $arr); $keywords = array_slice(array_unique($arr[0]),0,3); echo implode(' ', $keywords);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Samsung UN32EH4003 inch