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<?php
namespace MikeAlmond\Color;
class Validator
{
/**
* @param $color
*
* @return bool
*/
public static function isValidHex(string $color) : bool
$color = ltrim($color, '#');
return ctype_xdigit($color) && (strlen($color) === 6 || strlen($color) === 3);
}
* @param $red
* @param $green
* @param $blue
* @return bool|mixed
public static function isValidRgb(int $red, int $green, int $blue) : bool
// Check to see the values are between 0 and 255 and return false if any are outside the bounds
return array_reduce([$red, $green, $blue], function ($carry, $color) {
return max(min(intval($color), 255), 0) === $color && $carry === true;
}, true);
* @param float $hue
* @param float $saturation
* @param float $lightness
public static function isValidHsl(float $hue, float $saturation, float $lightness) : bool
// Check to see the values are between 0 and 1 and return false if any are outside the bounds
return array_reduce([$hue, $saturation, $lightness], function ($carry, $color) {
return $color >= 0 && $color <= 1 && $carry === true;
* @param float $degrees
public static function isValidAdjustment(float $degrees) : bool
// Check to see the values are between -359 and 359 and return false if any are outside the bounds
return max(min($degrees, 360), -360) === $degrees;
mikealmond /
color
