function _lightbox2_validate_hex_color in Lightbox2 8

Same name and namespace in other branches

1. 5.2 lightbox2.module \_lightbox2_validate_hex_color()
2. 6 lightbox2.admin.inc \_lightbox2_validate_hex_color()
3. 7.2 lightbox2.admin.inc \_lightbox2_validate_hex_color()
4. 7 lightbox2.admin.inc \_lightbox2_validate_hex_color()

Validate a hex color value.

Parameters

$hex: The hex color string to validate.

Return value

TRUE if $hex is a valid hex color value.

3 calls to _lightbox2_validate_hex_color()

Lightbox2GeneralSettingsForm::validateForm in src/Lightbox2GeneralSettingsForm.php

Lightbox2GeneralSettingsForm::validateForm in src/Form/Lightbox2GeneralSettingsForm.php

Form validation handler.

lightbox2_general_settings_form_validate in ./lightbox2.admin.inc

Validation function for the general configuration form.

File

./lightbox2.admin.inc, line 972

Administrative page callbacks for the lightbox2 module.

Code

function _lightbox2_validate_hex_color($hex) {
  return preg_match('!^[a-f0-9]{3}([a-f0-9]{3})?$!i', $hex);
}