3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $imageFormats = array('JP2' => 'jp2', 'TIFF' => 'tif', 'JPEG' => 'jpg'); $imageGroup = implode('|', array_keys($imageFormats)); echo $imageGroup; // lastname,email,phone ?>
Output for 4.3.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
JP2|TIFF|JPEG