usepackage{algorithm}
usepackage[noend]{algpseudocode}

begin{algorithm}
caption{Homomorphism: Query Containment}label{alg:euclid}
begin{algorithmic}[1]
Function{getHomorphism}{XPath $p_3$, XPath $q_3$}
    ForAll {nodes.getLength}
    State ($q_3(root)$ == $p_3(root)$) $leftarrow$ textbf{true}
    State textbf{return} true
    If{true}
        ForAll {descendantNodes.getLength}
        State textbf{return} true
        If {true}
        ForAll {childNodes.getLength}
        State textbf{return} true
        If {true}
        ForAll {wildcardNodes.getLength}
        State textbf{return} true
    Else
    State textbf{return} false
    EndIf
EndFunction
end{algorithmic}
end{algorithm}