1 common.inc backdrop_map_assoc($array, $function = NULL)

Forms an associative array from a linear array.

This function walks through the provided array and constructs an associative array out of it. The keys of the resulting array will be the values of the input array. The values will be the same as the keys unless a function is specified, in which case the output of the function is used for the values instead.


$array: A linear array.

$function: A name of a function to apply to all values before output.

Return value

An associative array.:


core/includes/common.inc, line 3235
Common functions that many Backdrop modules will need to reference.


function backdrop_map_assoc($array, $function = NULL) {
  // array_combine() fails with empty arrays:
  // http://bugs.php.net/bug.php?id=34857.
  $array = !empty($array) ? array_combine($array, $array) : array();
  if (is_callable($function)) {
    $array = array_map($function, $array);
  return $array;