php pop array

$stack = array("yellow", "red", "green", "orange", "purple");
 
// delete the last element of an array
$removed = array_pop($stack);
print_r($stack);

<?php

$a=array("red","green","blue");

array_pop($a);

print_r($a);

?>
 

if(empty($transport[count($transport)-1])) {
    unset($transport[count($transport)-1]);
}