9 string references to 'element_validate_integer_positive' in Drupal 7

hook_field_formatter_settings_form in modules/field_ui/field_ui.api.php

Specify the form elements for a formatter's settings.

hook_field_settings_form in modules/field_ui/field_ui.api.php

Add settings to a field settings form.

hook_field_widget_settings_form in modules/field_ui/field_ui.api.php

Add settings to a widget settings form.

search_admin_settings in modules/search/search.admin.inc

Menu callback: displays the search module settings page.

text_field_formatter_settings_form in modules/field/modules/text/text.module

Implements hook_field_formatter_settings_form().

text_field_settings_form in modules/field/modules/text/text.module

Implements hook_field_settings_form().

text_field_widget_settings_form in modules/field/modules/text/text.module

Implements hook_field_widget_settings_form().

user_admin_settings in modules/user/user.admin.inc

Form builder; Configure user settings for this site.

_filter_url_settings in modules/filter/filter.module

Implements callback_filter_settings().