From Twig to Plates

Autocomplete $this

find . -type f -name "*.php" -exec sed -i '1i\
<?php\
\
use My\\App\\Service\\PlatesTemplate;\
\
/**\
 * @var PlatesTemplate $this\
 */\
\
?>' {} \;

GenerateDocBlockForPlatesTemplate.php

<?php

include 'vendor/autoload.php';

use My\App\Service\PlatesExtension;

$extensionsList = [
    PlatesExtension::class
];

class GenerateDocBlockForPlatesTemplate
{
    public function run($extensionClassName)
    {
        $reflectionClass = new ReflectionClass($extensionClassName);
        $methods = $reflectionClass->getMethods(ReflectionMethod::IS_PUBLIC);
        $phpDoc = '';

        foreach ($methods as $method) {
            if (in_array($method->getName(), ['__construct', 'register'])) {
                continue;
            }

            $paramStrings = [];

            foreach ($method->getParameters() as $parameter) {
                $paramString = $this->formatType($parameter->getType()).' $'.$parameter->getName();

                if ($parameter->isDefaultValueAvailable()) {
                    $defaultValue = $parameter->getDefaultValue();
                    $paramString .= ' = '.str_replace(chr(10), '', var_export($defaultValue, true));
                }

                $paramStrings[] = $paramString;
            }

            $returnType = $this->formatType($method->getReturnType());

            $phpDoc .= ' * @method '.('' === $returnType ? '' : $returnType.' ').$method->getName().'('.implode(', ', $paramStrings).')';
            $phpDoc .= ' // LINK '.$reflectionClass->getFileName().':'.$method->getStartLine();
            $phpDoc .= "\n";
        }

        return $phpDoc;
    }

    private function formatType(ReflectionType $returnType): string
    {
        if (null === $returnType) {
            return '';
        }

        if ($returnType instanceof ReflectionNamedType) {
            return false === $returnType?->isBuiltin() ?
                (($returnType->allowsNull() ? '?' : '').'\\'.$returnType->getName())
                : $returnType;
        }

        if ($returnType instanceof ReflectionUnionType) {
            $toReturn = [];
            foreach ($returnType->getTypes() as $type) {
                $toReturn[] = $this->formatType($type);
            }

            return implode('|', $toReturn);
        }

        dd($returnType);

        throw new Exception();
    }
}

$output = '<?php

namespace App\Service;

use League\Plates\Template\Template;

/**
 * Generated by php script/GenerateDocBlockForPlatesTemplates.php
';
foreach ($extensionsList as $className) {
    $output .= (new GenerateDocBlockForPlatesTemplate())->run($className);
}
$output .= ' */
class PlatesTemplate extends Template
{
}';

file_put_contents('src/Service/PlatesTemplate.php', $output);