protected function LinkToFileConstraint::hasValidExtension in File Link 8

Same name and namespace in other branches

1. 2.0.x src/Plugin/Validation/Constraint/LinkToFileConstraint.php \Drupal\file_link\Plugin\Validation\Constraint\LinkToFileConstraint::hasValidExtension()

Check whereas basename has a valid extension.

Parameters

string $basename: URL path basename.

\Drupal\file_link\Plugin\Field\FieldType\FileLinkItem $link: Link item.

Return value

bool Whereas basename has a valid extension.

1 call to LinkToFileConstraint::hasValidExtension()

LinkToFileConstraint::validate in src/Plugin/Validation/Constraint/LinkToFileConstraint.php

Checks if the passed value is valid.

File

src/Plugin/Validation/Constraint/LinkToFileConstraint.php, line 159

Class

LinkToFileConstraint

Validation constraint for file_link, checking that URI points to a file.

Namespace

Drupal\file_link\Plugin\Validation\Constraint

Code

protected function hasValidExtension($basename, FileLinkItem $link) {
  $extensions = trim($link
    ->getFieldDefinition()
    ->getSetting('file_extensions'));
  if (!empty($extensions)) {
    $regex = '/\\.(' . preg_replace('/ +/', '|', preg_quote($extensions)) . ')$/i';
    return (bool) preg_match($regex, $basename) !== FALSE;
  }
  return TRUE;
}