update_core_module_version_to_9.php

<?php


$module_search_dir = realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR . 'web/modules/custom');

if ( !empty($argv[1]) ) {  
  $module_search_dir = realpath($argv[1]);
}

$module_dir = new RecursiveDirectoryIterator($module_search_dir);
$iterator   = new RecursiveIteratorIterator($module_dir);

while ( $iterator->valid() ) {

  if ( preg_match('/\.info\.yml$/i', $iterator->getFilename()) ) {
    $module_info_contents = file_get_contents($iterator->getPath() . DIRECTORY_SEPARATOR . $iterator->getFilename() );
    $module_info_contents = trim($module_info_contents);

    $match_result = preg_match('/core(_version_requirement)?:[\s\t]*(.*)/', $module_info_contents, $core_version_matches);

    if ( empty($core_version_matches[0]) ) {
      $module_info_contents .= "\n" . 'core_version_requirement: ^8 || ^9' . "\n";
    }
    else {
      $module_info_contents = str_replace($core_version_matches[0], 'core_version_requirement: ^8 || ^9', $module_info_contents);
    }

    $file_path = $iterator->getPath() . DIRECTORY_SEPARATOR . $iterator->getFilename();

    echo "Updating {$file_path}\n";
    file_put_contents($file_path, $module_info_contents);

  }

  $iterator->next();

}