template_preprocess_select(&$variables)
Prepares variables for select element templates.
Default template: select.html.twig.
It is possible to group options together; to do this, change the format of $options to an associative array in which the keys are group labels, and the values are associative arrays in the normal $options format.
Parameters
$variables: An associative array containing:
- element: An associative array containing the properties of the element. Properties used: #title, #value, #options, #description, #extra, #multiple, #required, #name, #attributes, #size.
File
- core/includes/form.inc, line 30
- Functions for form and batch generation and processing.
Code
1 2 3 4 5 6 7 8 | function template_preprocess_select(& $variables ) { $element = $variables [ 'element' ]; Element::setAttributes( $element , array ( 'id' , 'name' , 'size' )); RenderElement::setAttributes( $element , array ( 'form-select' )); $variables [ 'attributes' ] = $element [ '#attributes' ]; $variables [ 'options' ] = form_select_options( $element ); } |
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