function FormTestPatternForm::buildForm

Overrides FormInterface::buildForm

File

core/modules/system/tests/modules/form_test/src/Form/FormTestPatternForm.php, line 25

Class

FormTestPatternForm

Builds a simple form using the FAPI #pattern property.

Namespace

Code

public function buildForm(array $form, FormStateInterface $form_state) {
    $form['textfield'] = [
        '#type' => 'textfield',
        '#title' => 'One digit followed by lowercase letters',
        '#pattern' => '[0-9][a-z]+',
    ];
    $form['tel'] = [
        '#type' => 'tel',
        '#title' => 'Everything except numbers',
        '#pattern' => '[^\\d]*',
    ];
    $form['password'] = [
        '#type' => 'password',
        '#title' => 'Password',
        '#pattern' => '[01]+',
    ];
    $form['url'] = [
        '#type' => 'url',
        '#title' => 'Client side validation',
        '#description' => 'Just client side validation, using the #pattern attribute.',
        '#attributes' => [
            'pattern' => '.*foo.*',
        ],
        '#pattern' => 'ignored',
    ];
    $form['submit'] = [
        '#type' => 'submit',
        '#value' => 'Submit',
    ];
    return $form;
}