function color_valid_hexadecimal_string in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 core/modules/color/color.module \color_valid_hexadecimal_string()

Determines if a hexadecimal CSS color string is valid.

Parameters

string $color: The string to check.

Return value

bool TRUE if the string is a valid hexadecimal CSS color string, or FALSE if it isn't.

2 calls to color_valid_hexadecimal_string()

color_palette_color_value in core/modules/color/color.module

Determines the value for a palette color field.

color_scheme_form_validate in core/modules/color/color.module

Form validation handler for color_scheme_form().

File

core/modules/color/color.module, line 346

Allows users to change the color scheme of themes.

Code

function color_valid_hexadecimal_string($color) {
  return preg_match('/^#([a-f0-9]{3}){1,2}$/iD', $color);
}