GtkScintilla::style_set_case

void style_set_case(int style, int case_force);

Turn OFF/ON the Case Sensitive of some Style.

// TURN ON
$scintilla->style_set_case(SCINTILLA_STYLE_DEFAULT, 0);
// TURN OFF
$scintilla->style_set_case(SCINTILLA_STYLE_DEFAULT, 1);