number_integer_validate($element, &$form_state)
contributions/cck/modules/number/number.module, line 533
FAPI validation of an individual integer element.
<?php
function number_integer_validate($element, &$form_state) {
$field_name = $element['#field_name'];
$type_name = $element['#type_name'];
$field = content_fields($field_name, $type_name);
$field_key = $element['#columns'][0];
$value = $element['#value'][$field_key];
if (($element[$field_key]['#required'] || !empty($value))) {
$start = $value;
$value = preg_replace('@[^-0-9]@', '', $value);
if ($start != $value) {
// No reason to make this an error, just need to inform user what has changed.
drupal_set_message(t('Only numbers are allowed in %field. %start was changed to %value.', array(
'%field' => t($field['widget']['label']), '%start' => $start, '%value' => $value)));
}
form_set_value($element[$field_key], $value, $form_state);
}
}
?>