[2] Despite being signed, Hoarau spent the majority of his career under Domergue playing in the reserves, often earning brief call-ups to the senior squad, then quickly being sent down.

[12] Hoarau also continued his solid form on the European stage scoring a brace in the club's first leg match against VfL Wolfsburg on 18 February 2009 in the 2008–09 UEFA Cup.

Due to his great performances, Hoarau was linked to several clubs, most notably Lyon, who offered €10 million for the player's services.

The arrival of new striker Mevlüt Erdinç failed to ignite a successful partnership, with both players often injured and profligate in front of goal whenever they managed to play.

Hoarau did however score the winning goal for PSG in extra time in the 2010 Coupe de France Final.

[16] Since the signing of new striker Kevin Gameiro in the summer of 2011, both Hoarau and Erdinç were relegated to the substitutes' bench, and the former suffered a serious injury on the very first day of the 2011–12 season.

[19] Upon his departure to Dalin Aerbin, Hoarau appeared at Parc des Princes, where he made a farewell speech and was left emotional, saying, "Nothing has changed.

[23] Hoarau made his debut in the opening game of the season, coming on as a substitute in the 69th minutes for Zhou Tong, in a 1–0 loss against Shandong Luneng.

Upon the conclusion of the 2013 season, Chinese media Sina Sports reported that Hoarau was among several foreign players to leave Dalian Aerbin.

[33] In the play-off round of the Champions League campaign the following season, Hoarau scored goals in both legs against Dinamo Zagreb, which took Young Boys to the group stages for the first time ever.

[36] On 23 March 2009, Hoarau was called up to the France national team to replace the injured Nicolas Anelka on the squad.

In addition to football, Hoarau has a strong passion for making music and has sung live on French TV.