Spread Operator in Array Expression
Spread Operator in Array Expression — CHU Zhaowei
https://wiki.php.net/rfc/spread_operator_for_array — https://github.com/php/php-src/pull/3640/files#diff-09edb373156c57c4d53fe48c3f3b5adbR17
<?php
$apples = [ '🍎', '🍏' ];
$fruits = [ '🍐', '🍑', ...$apples, '🍓', '🍅' ];
echo "Fruit salad: ", implode( '', $fruits ), "\n";
?>