Cake\Upgrade\Shell\Task\TestsTask::_process PHP Метод

    protected function _process($path)
    {
        $original = $contents = $this->Stage->source($path);
        // Serializes data from PHP data into PHP code.
        // Basically a code style conformant version of var_export()
        $export = function ($values) use(&$export) {
            $vals = [];
            if (!is_array($values)) {
                return $vals;
            }
            foreach ($values as $key => $val) {
                if (is_array($val)) {
                    $vals[] = "'{$key}' => [" . implode(", ", $export($val)) . "]";
                } else {
                    $val = var_export($val, true);
                    if ($val === 'NULL') {
                        $val = 'null';
                    }
                    if (!is_numeric($key)) {
                        $vals[] = "'{$key}' => {$val}";
                    } else {
                        $vals[] = "{$val}";
                    }
                }
            }
            return $vals;
        };
        // Process field property.
        $processor = function ($matches) use($export) {
            eval('$data = [' . $matches[2] . '];');
            $out = [];
            foreach ($data as $key => $fixture) {
                $pieces = explode('.', $fixture);
                $fixtureName = $pieces[count($pieces) - 1];
                $fixtureName = Inflector::pluralize($fixtureName);
                $pieces[count($pieces) - 1] = $fixtureName;
                $out[] = implode('.', $pieces);
            }
            return $matches[1] . "\n\t\t" . implode(",\n\t\t", $export($out)) . "\n\t" . $matches[3];
        };
        $contents = preg_replace_callback('/(public \\$fixtures\\s+=\\s+(?:array\\(|\\[))(.*?)(\\);|\\];)/ms', $processor, $contents, -1, $count);
        return $this->Stage->change($path, $original, $contents);
    }