POC of a customizable file locator (ease the share of a Symfony project)

CustomizableFileLocator.php

<?php

/**
 * File locator that first look for a "filename.local.ext" when the name of the
 * file to locate matches the "filename.customizable.ext" pattern, then it look
 * for a "filename.ext" file.
 */
class CustomizableFileLocator extends FileLocator
{
    /**
     * {@inheritDoc}
     */
    public function locate($name, $currentPath = null, $first = true)
    {
        if (preg_match('/^(?<basename>.*)\.customizable\.(?<extension>\w+)$/', $name, $matches)) {
            try {
                return parent::locate(sprintf('%s.custom.%s', $matches['basename'], $matches['extension']), $currentPath, $first);
            } catch (\InvalidArgumentException $e) {
                return parent::locate(sprintf('%s.%s', $matches['basename'], $matches['extension']), $currentPath, $first);
            }
        }

        return parent::locate($name, $currentPath, $first);
    }
}