Issue in PHP 8.1 en hoger (misschien ook 8.0)

[rmpel]

[10-Mar-2025 13:31:51 UTC] PHP Fatal error:  Uncaught TypeError: preg_match(): Argument #2 ($subject) must be of type string, bool given in .../openpdd/app/public_html/wp-content/plugins/owc-gravityforms-zaaksysteem/src/Foundation/DependencyChecker.php:172
Stack trace:
#0 .../openpdd/app/public_html/wp-content/plugins/owc-gravityforms-zaaksysteem/src/Foundation/DependencyChecker.php(172): preg_match('/^(?: ?\\* ?Vers...', false, NULL)
#1 .../openpdd/app/public_html/wp-content/plugins/owc-gravityforms-zaaksysteem/src/Foundation/DependencyChecker.php(159): OWC\Zaaksysteem\Foundation\DependencyChecker->checkVersion(Array)
#2 .../openpdd/app/public_html/wp-content/plugins/owc-gravityforms-zaaksysteem/src/Foundation/DependencyChecker.php(45): OWC\Zaaksysteem\Foundation\DependencyChecker->checkPlugin(Array)
#3 .../openpdd/app/public_html/wp-content/plugins/owc-gravityforms-zaaksysteem/src/Foundation/Plugin.php(103): OWC\Zaaksysteem\Foundation\DependencyChecker->execute()
#4 .../openpdd/app/public_html/wp-content/plugins/owc-gravityforms-zaaksysteem/owc-gravityforms-zaaksysteem.php(60): OWC\Zaaksysteem\Foundation\Plugin->boot()
#5 .../openpdd/app/public_html/wp/wp-includes/class-wp-hook.php(324): OWC\Zaaksysteem\{closure}('')
#6 .../openpdd/app/public_html/wp/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#7 .../openpdd/app/public_html/wp/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#8 .../openpdd/app/public_html/wp/wp-settings.php(559): do_action('plugins_loaded')
#9 .../openpdd/app/public_html/wp-config.php(304): require_once('/Users/rmpel/De...')
#10 .../openpdd/app/public_html/wp/wp-load.php(55): require_once('/Users/rmpel/De...')
#11 .../openpdd/app/public_html/wp/wp-blog-header.php(13): require_once('/Users/rmpel/De...')
#12 .../openpdd/app/public_html/index.php(4): require('/Users/rmpel/De...')
#13 {main}
  thrown in .../openpdd/app/public_html/wp-content/plugins/owc-gravityforms-zaaksysteem/src/Foundation/DependencyChecker.php on line 172

        preg_match('/^(?: ?\* ?Version: ?)(.*)$/m', $file, $matches);

->

        preg_match('/^(?: ?\* ?Version: ?)(.*)$/m', "$file", $matches);