gistfile1.txt

<?php

// Find all entity controller classes.
$info = entity_get_info();
$controller_meta = array();
foreach ($info as $entity_type => $data) {
  $controller_meta[] = "'$entity_type' instanceof \\" . $data['controller class'] . ',';
}
$mappings = implode("\n      ", $controller_meta);

$meta = <<<EOD
<?php

/**
 * Place this file somewhere within your project. JetBrains recommends naming
 * the file .phpstorm.meta.php. Multiple files can be used to split this
 * metadata among different modules
 *
 * PHPStorm 8 is required. It should automatically updates when this file is
 * changed, but if it doesn't use File -> Invalidate Caches to rebuild the
 * completion index.
 */
namespace PHPSTORM_META {

  /** @noinspection PhpUnusedLocalVariableInspection */
  /** @noinspection PhpIllegalArrayKeyTypeInspection */
  \$STATIC_METHOD_TYPES = [
    \\entity_get_controller('') => [
      $mappings
    ],
  ];
}
EOD;

print $meta;