List()

<?php
$my_array = array("Dog","Cat","Horse");

list($a, $b, $c) = $my_array;
echo "I have several animals, a $a, a $b and a $c.";
?>

<?php
$my_array = array("Dog","Cat","Horse");

list($a, , $c) = $my_array;
echo "Here I only use the $a and $c variables.";
?>

https://www.w3schools.com/php/func_array_list.asp

<?php
$test = array('1', '2', '3');
// $test 변수는 3개의 값 1,2,3을 가짐

list($a, $b, $c) = $test;
// 마치 변수를 선언하듯이 사용(단, 앞에 list() 키워드가 필요)

echo $a;
echo $b;
echo $c;
?>

http://webisfree.com/2015-12-29/[php]-%EB%B0%B0%EC%97%B4%EB%A1%9C-%EC%97%AC%EB%9F%AC%EA%B0%9C%EC%9D%98-%EB%B3%80%EC%88%98%EB%A5%BC-%EC%83%9D%EC%84%B1%ED%95%98%EA%B8%B0-list()