function backdrop_json_output

1 common.inc backdrop_json_output($var = NULL)

Returns data in JSON format.

This function should be used for JavaScript callback functions returning data in JSON format. It sets the header for JavaScript output.

Parameters

$var: (optional) If set, the variable will be converted to JSON and output.

31 calls to backdrop_json_output()

ajax_example_node_by_author_node_autocomplete_callback in modules/examples/ajax_example/ajax_example_autocomplete.inc: Autocomplete callback for nodes by title but limited by author.
ajax_example_progressbar_progress in modules/examples/ajax_example/ajax_example_progressbar.inc: Get the progress bar execution status as JSON.
ajax_example_simple_user_autocomplete_callback in modules/examples/ajax_example/ajax_example_autocomplete.inc: This is just a copy of user_autocomplete().
ajax_example_unique_node_autocomplete_callback in modules/examples/ajax_example/ajax_example_autocomplete.inc: Autocomplete callback for nodes by title.
backdrop_json_deliver in core/includes/common.inc: Packages and sends the result of a page callback to the browser as JSON.

... See full list

1 string reference to 'backdrop_json_output'

system_menu in core/modules/system/system.module: Implements hook_menu().

File

core/includes/common.inc, line 5940: Common functions that many Backdrop modules will need to reference.

Code

function backdrop_json_output($var = NULL) {
  // We are returning JSON, so tell the browser.
  backdrop_add_http_header('Content-Type', 'application/json');

  if (isset($var)) {
    echo backdrop_json_encode($var);
  }
}