element_validate_integer

Form element validation handler for integer elements.

Related topics

Form generation

Functions to enable the processing and display of HTML forms.

1 call to element_validate_integer()

2 string references to 'element_validate_integer'

File

includes/form.inc, line 4150

Functions for form and batch generation and processing.

Code

function element_validate_integer($element, &$form_state) {
  $value = $element['#value'];
  if ($value !== '' && (!is_numeric($value) || intval($value) != $value)) {
    form_error($element, t('%name must be an integer.', array('%name' => $element['#title'])));
  }
}