function _textimage_number_validate in Textimage 7.2

Same name and namespace in other branches

1. 5.2 textimage_admin.inc \_textimage_number_validate()
2. 5 textimage.module \_textimage_number_validate()
3. 6.2 textimage_admin.inc \_textimage_number_validate()

Auxiliar function to validate either the entered value is a valid hex color code or not.

1 string reference to '_textimage_number_validate'

textimage_preset_edit in ./textimage.admin.inc

Todo.

File

./textimage.admin.inc, line 839

Textimage admin page callback

Code

function _textimage_number_validate($field, $field_name) {
  if (!empty($field['#value']) && !is_numeric($field['#value'])) {
    form_set_error($field_name, t('The value for %field must be a number.', array(
      '%field' => $field['#title'],
    )));
  }
}