cairo_matrix_rotate Description &reftitle.description; ReturnTypecairo_matrix_rotate CairoMatrixmatrix stringradians The function description goes here. &warn.undocumented.func; &reftitle.parameters; matrix Description... radians Description... &reftitle.returnvalues; What is returned on success and failure &reftitle.errors; When does this function issue E_* level errors, and/or throw exceptions. &reftitle.examples; Any text that describes the purpose of the example, or what goes on in the example should be here. ]]> &example.outputs.similar; &reftitle.seealso; related function name here