- Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
- bar bar
<?php
$array = ['foo'=>'bar'];
//PHP5 style
$message = isset($array['foo']) ? $array['foo'] : 'not set'; echo $message.PHP_EOL;
//PHP7 style
$message = $array['foo'] ?? 'not set'; echo $message.PHP_EOL;