(PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECL ncurses >= 1.0.0)
ncurses_pair_content — Retrieves foreground and background colors of a color pair
ncurses_pair_content ( int $pair , int &$f , int &$b ) : int
Retrieves the foreground and background colors that constitute the given color pair. Terminal color capabilities must be initialized with ncurses_start_color() prior to calling this function.
pair
The number of the color pair to retrieve information for.
f
A reference to which to return the foreground color of the color pair. The information returned will be a color number referring to one of the pre-defined colors or a color defined previously by ncurses_init_color() if the terminal supports color changing.
b
A reference to which to return the background color of the color pair. The information returned will be a color number referring to one of the pre-defined colors or a color defined previously by ncurses_init_color() if the terminal supports color changing.
Returns -1 if the function was successful, and 0 if ncurses or terminal color capabilities have not been initialized.
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https://www.php.net/manual/en/function.ncurses-pair-content.php