<?php // пример от Максима Иванов error_reporting( E_ERROR ); function foo(){}; // return void $arr = [1, 2, 3]; echo (false ?? "Next step !") . " | "; // true echo (NULL ?? "Next step !") . " | "; // Next step ! echo ("" ?? "Next step !") . " | "; // true echo (0 ?? "Next step !") . " | "; // 0 echo (foo() ?? "Next step !") . " | "; // Next step ! echo ($arr ?? "Next step !") . " | "; // Array echo ($arr[1] ?? "Next step !") . " | "; // 2
You have javascript disabled. You will not be able to edit any code.