drupal_valid_http_host

• Drupal 5
• Drupal 6
• Drupal 7

Versions

5 – 7

drupal_valid_http_host($host)

Validate that a hostname (for example $_SERVER['HTTP_HOST']) is safe.

Return value

TRUE if only containing valid characters, or FALSE otherwise.

Code

includes/bootstrap.inc, line 521

<?php
function drupal_valid_http_host($host) {
  return preg_match('/^\[?(?:[a-zA-Z0-9-:\]_]+\.?)+$/', $host);
}
?>

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