function AttributeValueBase::render

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Template/AttributeValueBase.php \Drupal\Core\Template\AttributeValueBase::render()
  2. 10 core/lib/Drupal/Core/Template/AttributeValueBase.php \Drupal\Core\Template\AttributeValueBase::render()
  3. 11.x core/lib/Drupal/Core/Template/AttributeValueBase.php \Drupal\Core\Template\AttributeValueBase::render()

Returns a string representation of the attribute.

While __toString only returns the value in a string form, render() contains the name of the attribute as well.

Return value

string The string representation of the attribute.

1 method overrides AttributeValueBase::render()
AttributeBoolean::render in core/lib/Drupal/Core/Template/AttributeBoolean.php
Returns a string representation of the attribute.

File

core/lib/Drupal/Core/Template/AttributeValueBase.php, line 52

Class

AttributeValueBase
Defines the base class for an attribute type.

Namespace

Drupal\Core\Template

Code

public function render() {
    $value = (string) $this;
    if (isset($this->value) && static::RENDER_EMPTY_ATTRIBUTE || !empty($value)) {
        return Html::escape($this->name) . '="' . $value . '"';
    }
}

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