言ってたよ

said

→ 言う
phrase Rare #22,889
said Informal contraction of 言っていたよ. Used to report or remind someone that a person said something; よ adds emphasis or a reminder-like tone.
JA: 彼は明日来るって言ってたよ。
EN: He said he was coming tomorrow.

お父さんは医者だって言ってたよ

He said his father is a doctor.

うちの奴も言ってたよ

Mine said that too.

— 生きる (1952)

トムそう言ってたよ

Tom said so too.

ずっとボストンに住んでるってトム言ってたよ

Tom said he's lived in Boston the whole time.

これからメアリー話に行くところだってトム言ってたよ

Tom said he was just about to go talk to Mary.

そう言ってたよジョー

That's what you said, right, Joe?

— レザボア・ドッグス (1992)

パパ言ってたよ

Dad said so.

— クワイエット・プレイス (2018)

みんなそう言ってたよ

Everyone was saying that.