3 +--------------------------------------------------------------------+
4 | Copyright CiviCRM LLC. All rights reserved. |
6 | This work is published under the GNU AGPLv3 license with some |
7 | permitted exceptions and without any warranty. For full license |
8 | and copyright information, see https://civicrm.org/licensing |
9 +--------------------------------------------------------------------+
15 * @copyright CiviCRM LLC https://civicrm.org/licensing
19 * Class handles functions for JSON format
21 class CRM_Utils_JSON
{
24 * Output json to the client.
27 public static function output($input) {
28 if (CIVICRM_UF
=== 'UnitTests') {
29 throw new CRM_Core_Exception_PrematureExitException('civiExit called', $input);
31 CRM_Utils_System
::setHttpHeader('Content-Type', 'application/json');
32 echo json_encode($input);
33 CRM_Utils_System
::civiExit();
37 * Test whether the input string is valid JSON.
41 public static function isValidJSON($str) {
43 return json_last_error() == JSON_ERROR_NONE
;
47 * Do not use this function. See CRM-16353.
50 * @param array $params
51 * Associated array of row elements.
53 * Datatable needs this to make it more secure.
56 * @param int $iFilteredTotal
57 * Total records on a page.
58 * @param array $selectorElements
62 public static function encodeDataTableSelector($params, $sEcho, $iTotal, $iFilteredTotal, $selectorElements) {
64 $sOutput .= '"sEcho": ' . intval($sEcho) . ', ';
65 $sOutput .= '"iTotalRecords": ' . $iTotal . ', ';
66 $sOutput .= '"iTotalDisplayRecords": ' . $iFilteredTotal . ', ';
67 $sOutput .= '"aaData": [ ';
68 foreach ((array) $params as $key => $value) {
71 foreach ($selectorElements as $element) {
75 // CRM-7130 --lets addslashes to only double quotes,
76 // since we are using it to quote the field value.
77 // str_replace helps to provide a break for new-line
78 $sOutput .= '"' . addcslashes(str_replace(["\r\n", "\n", "\r"], '<br />', $value[$element]), '"\\') . '"';
80 // remove extra spaces and tab character that breaks dataTable CRM-12551
81 $sOutput = preg_replace("/\s+/", " ", $sOutput);
86 $sOutput = substr_replace($sOutput, "", -1);