Schematic Schema FieldTab to Matrix Dumper

CraftSchematicMatrixConverter.php

<?php

    public function actionDumpFields()
    {
        $name = 'Resource';
        $matrixFieldHandle = 'resource';
        $section = 'resources';
        $entryType = 'resources';

        $schema = CRAFT_CONFIG_PATH.'/schema.yml';
        $yaml = \Symfony\Component\Yaml\Yaml::parse(file_get_contents($schema));

        $generateMatrixBlock = function ($name) {
            return [
                'name' => $name,
                'required' => 'false',
                'instructions' => '',
                'translatable' => '0',
                'type' => 'Matrix',
                'settings' => ['maxBlocks' => '1'],
                'context' => 'global',
                'blockTypes' => [
                    'entry' => [
                        'name' => 'Entry',
                        'fields' => [],
                    ],
                ],
            ];
        };

        $allFields = [];
        foreach ($yaml['fields'] as $group => $fields) {
            foreach ($fields as $fieldHandle => $field) {
                $allFields[$fieldHandle] = $field;
            }
        }

        $newBlocks = [];
        $fieldLayoutTabs = $yaml['sections'][$section]['entryTypes'][$entryType]['fieldLayout']['tabs'];
        foreach ($fieldLayoutTabs as $tabName => $fieldHandleToRequiredMap) {
            $newBlock = $generateMatrixBlock($tabName);
            foreach ($fieldHandleToRequiredMap as $fieldHandle => $isRequired) {
                $newBlock['blockTypes']['entry']['fields'][$fieldHandle] = $allFields[$fieldHandle];
                $newBlock['blockTypes']['entry']['fields'][$fieldHandle]['required'] |= (bool) $isRequired;
            }

            $newBlocks[strtolower($tabName)] = $newBlock;
        }

        $newMatrixBlockYaml = \Symfony\Component\Yaml\Yaml::dump($newBlocks, PHP_INT_MAX, 2);
        echo $newMatrixBlockYaml;
    }