Search a string against multiple needles and return true if all are found, otherwise false. Case-insensitive.
summary: "It was the best of times, it was the worst of times."{{ if summary | contains_all('best', 'worst') }}{{ if summary | contains_all('best', 'better') }}@if (Statamic::modify($summary)->containsAll(['best', 'worst'])->fetch()) ... @endif@if (Statamic::modify($summary)->containsAll(['best', 'better'])->fetch()) ... @endiftruefalse
