function _drupal_set_preferred_header_name
_drupal_set_preferred_header_name($name = NULL)
Sets the preferred name for the HTTP header.
Header names are case-insensitive, but for maximum compatibility they should follow "common form" (see RFC 2617, section 4.2).
File
- includes/bootstrap.inc, line 1432
- Functions that need to be loaded on every Drupal request.
Code
function _drupal_set_preferred_header_name($name = NULL) { static $header_names = array(); if (!isset($name)) { return $header_names; } $header_names[strtolower($name)] = $name; }
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https://api.drupal.org/api/drupal/includes!bootstrap.inc/function/_drupal_set_preferred_header_name/7.x