47 calls to form_error()

DataFieldRow::validateAliasName in drupal/core/modules/rest/lib/Drupal/rest/Plugin/views/row/DataFieldRow.php
Form element validation handler for \Drupal\rest\Plugin\views\row\DataFieldRow::buildOptionsForm().
Date::buildGroupValidate in drupal/core/modules/views/lib/Drupal/views/Plugin/views/filter/Date.php
Validate the build group options form.
Date::validateValidTime in drupal/core/modules/views/lib/Drupal/views/Plugin/views/filter/Date.php
Validate that the time values convert to something usable.
datetime_datelist_validate in drupal/core/modules/datetime/datetime.module
Validation callback for a datelist element.
datetime_datetime_validate in drupal/core/modules/datetime/datetime.module
Validation callback for a datetime element.
DisplayPluginBase::validateOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
Validate the options form.
DisplayTest::validateOptionsForm in drupal/core/modules/views/tests/views_test_data/lib/Drupal/views_test_data/Plugin/views/display/DisplayTest.php
Overrides Drupal\views\Plugin\views\display\DisplayPluginBase::validateOptionsForm().
FieldEditForm::validateForm in drupal/core/modules/field_ui/lib/Drupal/field_ui/Form/FieldEditForm.php
Form validation handler.
file_managed_file_validate in drupal/core/modules/file/file.module
Render API callback: Validates the managed_file element.
FilterPluginBase::buildGroupValidate in drupal/core/modules/views/lib/Drupal/views/Plugin/views/filter/FilterPluginBase.php
Validate the build group options form.
FilterPluginBase::validateExposeForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/filter/FilterPluginBase.php
Validate the options form.
form_test_limit_validation_errors_element_validate_test in drupal/core/modules/system/tests/modules/form_test/form_test.module
Form element validation handler for the 'test' element.
form_test_validate_required_form_element_validate in drupal/core/modules/system/tests/modules/form_test/form_test.module
Form element validation handler for 'Name' field in form_test_validate_required_form().
form_validate_color in drupal/core/includes/form.inc
Form element validation handler for #type 'color'.
form_validate_email in drupal/core/includes/form.inc
Form element validation handler for #type 'email'.
form_validate_machine_name in drupal/core/includes/form.inc
Form element validation handler for machine_name elements.
form_validate_number in drupal/core/includes/form.inc
Form element validation handler for #type 'number'.
form_validate_pattern in drupal/core/includes/form.inc
#element_validate callback for #pattern form element property.
form_validate_table in drupal/core/includes/form.inc
#element_validate callback for #type 'table'.
form_validate_url in drupal/core/includes/form.inc
Form element validation handler for #type 'url'.
image_effect_color_validate in drupal/core/modules/image/image.admin.inc
Element validate handler to ensure a hexadecimal color value.
image_effect_scale_validate in drupal/core/modules/image/image.admin.inc
Element validate handler to ensure that either a height or a width is specified.
image_style_form_add_validate in drupal/core/modules/image/image.admin.inc
Validate handler for adding a new image effect to an image style.
install_configure_form_validate in drupal/core/includes/install.core.inc
Form validation handler for install_configure_form().
LinkWidget::validateTitle in drupal/core/modules/link/lib/Drupal/link/Plugin/field/widget/LinkWidget.php
Form element validation handler for link_field_widget_form().
Name::validate_user_strings in drupal/core/modules/user/lib/Drupal/user/Plugin/views/filter/Name.php
Validate the user string. Since this can come from either the form or the exposed filter, this is abstracted out a bit so it can handle the multiple input sources.
NegotiationUrlForm::validateForm in drupal/core/modules/language/lib/Drupal/language/Form/NegotiationUrlForm.php
Implements \Drupal\Core\Form\FormInterface::validateForm().
OptionsWidgetBase::validateElement in drupal/core/modules/options/lib/Drupal/options/Plugin/field/widget/OptionsWidgetBase.php
Form validation handler for widget elements.
options_field_settings_form_validate_allowed_values in drupal/core/modules/options/options.module
Element validate callback; check that the entered values are valid.
Page::validateOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/Page.php
Overrides \Drupal\views\Plugin\views\display\callbackPluginBase::validateOptionsForm().
password_confirm_validate in drupal/core/includes/form.inc
Validates a password_confirm element.
PathPluginBase::validateOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/PathPluginBase.php
Overrides \Drupal\views\Plugin\views\display\DisplayPluginBase::validateOptionsForm().
path_form_element_validate in drupal/core/modules/path/path.module
Form element validation handler for URL alias form element.
Role::validateOptionsForm in drupal/core/modules/user/lib/Drupal/user/Plugin/views/access/Role.php
Provide the default form form for validating options
SelectionBase::validateAutocompleteInput in drupal/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/entity_reference/selection/SelectionBase.php
Implements SelectionInterface::validateAutocompleteInput().
Serialized::validateOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/field/Serialized.php
Validate the options form.
StylesCombo::validateStylesValue in drupal/core/modules/ckeditor/lib/Drupal/ckeditor/Plugin/CKEditorPlugin/StylesCombo.php
#element_validate handler for the "styles" element in settingsForm().
TaxonomyIndexTid::validate_term_strings in drupal/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/filter/TaxonomyIndexTid.php
Validate the user string. Since this can come from either the form or the exposed filter, this is abstracted out a bit so it can handle the multiple input sources.
Time::validateOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/cache/Time.php
Validate the options form.
ViewsSelection::settingsFormValidate in drupal/core/modules/views/lib/Drupal/views/Plugin/entity_reference/selection/ViewsSelection.php
Element validate; Check View is valid.
views_element_validate_tags in drupal/core/modules/views/views.module
Validation callback for query tags.
WidgetBase::flagErrors in drupal/core/modules/field/lib/Drupal/field/Plugin/Type/Widget/WidgetBase.php
Implements Drupal\field\Plugin\Type\Widget\WidgetInterface::flagErrors().
_file_generic_settings_extensions in drupal/core/modules/file/file.field.inc
Render API callback: Validates the allowed file extensions field.
_file_generic_settings_max_filesize in drupal/core/modules/file/file.field.inc
Render API callback: Validates the maximum upload size field.
_form_validate in drupal/core/includes/form.inc
Performs validation on form elements.
_image_field_required_fields_validate in drupal/core/modules/image/image.field.inc
Validate callback for alt and title field, if the user wants them required.
_image_field_resolution_validate in drupal/core/modules/image/image.field.inc
Element validate function for resolution fields.