Ibn Shihab (may Allah have mercy on him) narrates that the Messenger of Allah (ﷺ) ordered the person who laughed during prayer to repeat his ablution and prayer.
Hadith Referenceمسند الإمام الشافعي / كتاب الطهارة / 70
Hadith Takhrijضعيف لإرساله: أخرجه البيهقي: 1/ 146 وفي معرفة السنن والآثار له (220).