public static function Color::validateHex in Drupal 9
Same name and namespace in other branches
- 8 core/lib/Drupal/Component/Utility/Color.php \Drupal\Component\Utility\Color::validateHex()
Validates whether a hexadecimal color value is syntactically correct.
Parameters
$hex: The hexadecimal string to validate. May contain a leading '#'. May use the shorthand notation (e.g., '123' for '112233').
Return value
bool TRUE if $hex is valid or FALSE if it is not.
4 calls to Color::validateHex()
- Color::hexToRgb in core/
lib/ Drupal/ Component/ Utility/ Color.php - Parses a hexadecimal color string like '#abc' or '#aabbcc'.
- ColorTest::testValidateHex in core/
tests/ Drupal/ Tests/ Component/ Utility/ ColorTest.php - @covers \Drupal\Component\Utility\Color::validateHex
- CreateNew::validateArguments in core/
modules/ system/ src/ Plugin/ ImageToolkit/ Operation/ gd/ CreateNew.php - Validates the arguments.
- RotateImageEffect::validateConfigurationForm in core/
modules/ image/ src/ Plugin/ ImageEffect/ RotateImageEffect.php - Form validation handler.
File
- core/
lib/ Drupal/ Component/ Utility/ Color.php, line 20
Class
- Color
- Performs color conversions.
Namespace
Drupal\Component\UtilityCode
public static function validateHex($hex) {
if (!is_string($hex)) {
return FALSE;
}
return preg_match('/^[#]?([0-9a-fA-F]{3}){1,2}$/', $hex) === 1;
}