Undefined variable (if...elseif statement)

[panychek]

Code Example

<?php

$expr = rand(0, 1);
if ($expr) {
    $var = 'foo';

} elseif ($var = 'bar') {

}

echo $var;

Actual Behavior

<critical> INFO    undefined: Variable might have not been defined: var at /var/www/dev1/www/test.php:11
echo $var;
     ^^^^

Expected Behavior

No issues