===description===
assertIfTrueNoAnnotation
===file===
<?php
                    function isValidString(?string $myVar) : bool {
                        return $myVar !== null && $myVar[0] === "a";
                    }

                    $myString = rand(0, 1) ? "abacus" : null;

                    if (isValidString($myString)) {
                        echo "Ma chaine " . $myString;
                    }
===expect===
PossiblyNullOperand
===ignore===
TODO
