ErrorException (E_NOTICE) Undefined index: name code example
Example 1: php Undefined index: error
// Before using $_POST['value'] if (isset($_POST['value'])) { // Instructions if $_POST['value'] exist }
Example 2: Notice: Undefined index: module
function fullcalendar_legend_preprocess_block(&$variables) {
if(isset($variables['configuration']['module']) && $variables['configuration']['module'] == 'fullcalendar_legend') {
$variables['attributes']['class'][] = 'fullcalendar-legend';
}
}