function profile2_regpath_url_validator in Profile2 Registration Path 7.2

Same name and namespace in other branches

1. 7 profile2_regpath.admin.inc \profile2_regpath_url_validator()

Verifies the syntax of the given URL.

Parameters

string $url: A string containing a URL.

Return value

TRUE if the URL is in a valid format, and FALSE if it isn't.

1 call to profile2_regpath_url_validator()

profile2_regpath_validate_settings in ./profile2_regpath.admin.inc

Validate profile settings form values.

File

./profile2_regpath.admin.inc, line 223

Modifications to administrative forms.

Code

function profile2_regpath_url_validator($url) {
  $LINK_ICHARS_DOMAIN = (string) html_entity_decode(implode("", array(
    "æ",
    // æ
    "Æ",
    // Æ
    "ø",
    // ø
    "Ø",
    // Ø
    "å",
    // å
    "Å",
    // Å
    "ä",
    // ä
    "Ä",
    // Ä
    "ö",
    // ö
    "Ö",
    // Ö
    "ü",
    // ü
    "Ü",
    // Ü
    "Ñ",
    // Ñ
    "ñ",
  )), ENT_QUOTES, 'UTF-8');
  $LINK_ICHARS = $LINK_ICHARS_DOMAIN . (string) html_entity_decode(implode("", array(
    "ß",
  )), ENT_QUOTES, 'UTF-8');

  // Pattern specific to internal links.
  $internal_pattern = "/^(?:[a-z0-9" . $LINK_ICHARS . "_\\-+\\[\\]]+)";
  $directories = "(?:\\/[a-z0-9" . $LINK_ICHARS . "_\\-\\.~+%=&,\$'!():;*@\\[\\]]*)*";

  // Yes, four backslashes == a single backslash.
  $query = "(?:\\/?\\?([?a-z0-9" . $LINK_ICHARS . "+_|\\-\\.\\/\\\\%=&,\$'():;*@\\[\\]{} ]*))";
  $anchor = "(?:#[a-z0-9" . $LINK_ICHARS . "_\\-\\.~+%=&,\$'():;*@\\[\\]\\/\\?]*)";

  // The rest of the path for a standard URL.
  $end = $directories . '?' . $query . '?' . $anchor . '?' . '$/i';
  if (preg_match($internal_pattern . $end, $url)) {
    return TRUE;
  }
}