src/Reflection/ReflectionClass.php
public function removeProperty(string $propertyName) : bool
    {
        $lowerName = strtolower($propertyName);

        foreach ($this->node->stmts as $key => $stmt) {
            if (! ($stmt instanceof PropertyNode)) {
                continue;
            }

            $propertyNames = array_map(static function (Node\Stmt\PropertyProperty $propertyProperty) : string {
                return $propertyProperty->name->toLowerString();
            }, $stmt->props);

            if (in_array($lowerName, $propertyNames, true)) {
                $this->cachedProperties          = null;
                $this->cachedImmediateProperties = null;
                unset($this->node->stmts[$key]);

                return true;
            }
        }

        return false;
    }
public function removeProperty(string $propertyName) : bool
    {
        $lowerName = strtolower($propertyName);

        foreach ($this->node->stmts as $key => $stmt) {
            if (! ($stmt instanceof PropertyNode)) {
                continue;
            }

            $propertyNames = array_map(static function (Node\Stmt\PropertyProperty $propertyProperty) : string {
                return $propertyProperty->name->toLowerString();
            }, $stmt->props);

            if (in_array($lowerName, $propertyNames, true)) {
                $this->cachedProperties          = null;
                $this->cachedImmediateProperties = null;
                unset($this->node->stmts[$key]);

                return true;
            }
        }

        return false;
    }
Remove a property from the class.