// Displays blue text
echo textblue('Hello World');

// Displays black text
echo textblack('Hello World');

// Displays red text
echo textred('Hello World');

// Displays green text
echo textgreen('Hello World');

// Send a custom color integer.
echo textcolor('Hello World', 36);

// Sets the background to be inverted of the current terminal background
echo bginverted('Hello World');

// Prints text as a new line
echo println('Hello World')

函数可以相互组合使用，或者插入到文本中间


echo println( textgreen('Success: ') . 'File has finished downloading.' );