function redhen_fields_extract_allowed_labels in RedHen CRM 7

Parses a string of 'allowed labels' into an array.

Parameters

string $string: The list of allowed labels in string format descibed in redhen_fields_allowed_labels_string().

bool $generate_keys: Boolean value indicating whether to generate keys based on the position of the value if a key is not manually specified, and if the value cannot be used as a key.

Return value

array The array of extracted key/value pairs, or NULL if the string is invalid.

See also

redhen_fields_allowed_labels_string()

1 call to redhen_fields_extract_allowed_labels()

redhen_fields_allowed_labels_setting_validate in modules/redhen_fields/redhen_fields.module

Element validate callback; check that the entered values are valid.

File

modules/redhen_fields/redhen_fields.module, line 196

Defines email, phone and address field types for RedHen CRM.

Code

function redhen_fields_extract_allowed_labels($string, $generate_keys) {
  $values = array();
  $list = explode("\n", $string);
  $list = array_map('trim', $list);
  $list = array_filter($list, 'strlen');
  $generated_keys = $explicit_keys = FALSE;
  foreach ($list as $position => $text) {
    $value = $key = FALSE;

    // Check for an explicit key.
    $matches = array();
    if (preg_match('/(.*)\\|(.*)/', $text, $matches)) {
      $key = $matches[1];
      $value = $matches[2];
      $explicit_keys = TRUE;
    }
    elseif (is_numeric($text) && (double) $text == intval($text)) {
      $key = $value = $text;
      $explicit_keys = TRUE;
    }
    elseif ($generate_keys) {
      $key = (string) $position;
      $value = $text;
      $generated_keys = TRUE;
    }
    else {
      return;
    }
    $values[$key] = $value;
  }

  // We generate keys only if the list contains no explicit key at all.
  if ($explicit_keys && $generated_keys) {
    return;
  }
  return $values;
}