Ncurses Functions
PHP Manual

ncurses_has_colors

Checks if terminal has color capabilities

Description

bool ncurses_has_colors ( void )

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.

Parameters

This function has no parameters.

Return Values

Return TRUE if the terminal has color capabilities, FALSE otherwise.

Examples

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

<?php
ncurses_init();

// If the terminal supports colors, initialize and set active color
if (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 location
ncurses_mvaddstr(10, 10, "Hello world! Yellow on blue text!");

// Flush output to screen
ncurses_refresh();

ncurses_end();
?>

See Also

  • ncurses_can_change_color
  • ncurses_start_color