Converts a hue value to degrees from 0 to 360 inclusive.

Description

Direct port of colord’s parseHue function.

Parameters

$valuefloatrequired

The hue value to parse.

$unitstringoptional

The unit of the hue value.

Default:'deg'

Return

Source

private static function colord_parse_hue( $value, $unit = 'deg' ) {
	$angle_units = array(
		'grad' => 360 / 400,
		'turn' => 360,
		'rad'  => 360 / ( M_PI * 2 ),
	);

	$factor = isset( $angle_units[ $unit ] ) ? $angle_units[ $unit ] : 1;

	return (float) $value * $factor;
}

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