Php/docs/function.ncurses-has-colors

• PHP Manual
• Ncurses 函数
• Checks if terminal has color capabilities

ncurses_has_colors

(PHP 4 >= 4.0.7, PHP 5 < 5.3.0, PECL ncurses >= 1.0.0)

ncurses_has_colors — Checks if terminal has color capabilities

说明

ncurses_has_colors ( ) : bool

Checks whether the terminal has color capabilities. This function can be used to write terminal-independent programs. ncurses must be initialized using ncurses_init() before calling this function.

参数

此函数没有参数。

返回值

Return true if the terminal has color capabilities, false otherwise.

范例

Example #1 Writing a string with a specified color to the screen

<?phpncurses_init();// If the terminal supports colors, initialize and set active colorif (ncurses_has_colors()) {    ncurses_start_color();    ncurses_init_pair(1, NCURSES_COLOR_YELLOW, NCURSES_COLOR_BLUE);    ncurses_color_set(1);}// Write a string at specified locationncurses_mvaddstr(10, 10, "Hello world! Yellow on blue text!");// Flush output to screenncurses_refresh();ncurses_end();?>

参见

• ncurses_can_change_color() - Checks if terminal color definitions can be changed
• ncurses_start_color() - Initializes color functionality