src/Webtrees/Individual.php
public function isBirthSourced(){
		if($this->is_birth_sourced !== null) return $this->is_birth_sourced;
		$this->is_birth_sourced = $this->isFactSourced(WT_EVENTS_BIRT);
		return $this->is_birth_sourced;
	}
public function isBirthSourced(){
		if($this->is_birth_sourced !== null) return $this->is_birth_sourced;
		$this->is_birth_sourced = $this->isFactSourced(WT_EVENTS_BIRT);
		return $this->is_birth_sourced;
	}
public function isBirthSourced ( ) { if ( $ this -> is_birth_sourced !== null ) return $ this -> is_birth_sourced ; $ this -> is_birth_sourced = $ this -> isFactSourced ( WT_EVENTS_BIRT ) ; return $ this -> is_birth_sourced ; }
Check if this individual's birth is sourced

@return int Level of sources
Check if this individual s birth is sourced