Doctrine\Common\Proxy\ProxyGenerator::generateMethods PHP Method

    private function generateMethods(ClassMetadata $class)
    {
        $methods = '';
        $methodNames = [];
        $reflectionMethods = $class->getReflectionClass()->getMethods(\ReflectionMethod::IS_PUBLIC);
        $skippedMethods = ['__sleep' => true, '__clone' => true, '__wakeup' => true, '__get' => true, '__set' => true, '__isset' => true];
        foreach ($reflectionMethods as $method) {
            $name = $method->getName();
            if ($method->isConstructor() || isset($skippedMethods[strtolower($name)]) || isset($methodNames[$name]) || $method->isFinal() || $method->isStatic() || !$method->isPublic()) {
                continue;
            }
            $methodNames[$name] = true;
            $methods .= "\n    /**\n" . "     * {@inheritDoc}\n" . "     */\n" . '    public function ';
            if ($method->returnsReference()) {
                $methods .= '&';
            }
            $methods .= $name . '(' . $this->buildParametersString($class, $method, $method->getParameters()) . ')';
            $methods .= $this->getMethodReturnType($method);
            $methods .= "\n" . '    {' . "\n";
            if ($this->isShortIdentifierGetter($method, $class)) {
                $identifier = lcfirst(substr($name, 3));
                $fieldType = $class->getTypeOfField($identifier);
                $cast = in_array($fieldType, ['integer', 'smallint']) ? '(int) ' : '';
                $methods .= '        if ($this->__isInitialized__ === false) {' . "\n";
                $methods .= '            ';
                $methods .= $this->shouldProxiedMethodReturn($method) ? 'return ' : '';
                $methods .= $cast . ' parent::' . $method->getName() . "();\n";
                $methods .= '        }' . "\n\n";
            }
            $invokeParamsString = implode(', ', $this->getParameterNamesForInvoke($method->getParameters()));
            $callParamsString = implode(', ', $this->getParameterNamesForParentCall($method->getParameters()));
            $methods .= "\n        \$this->__initializer__ " . "&& \$this->__initializer__->__invoke(\$this, " . var_export($name, true) . ", [" . $invokeParamsString . "]);" . "\n\n        " . ($this->shouldProxiedMethodReturn($method) ? 'return ' : '') . "parent::" . $name . '(' . $callParamsString . ');' . "\n" . '    }' . "\n";
        }
        return $methods;
    }