An helper library to generate attributes for HTML elements.
composer require pressmodo/wp-attributesuse Pressmodo\Attributes\AttributesInterface;
$sut = new AttributesInterface();
$sut->add( 'context', [
'class' => 'color-primary',
'id' => 'unique_id',
] );
// ' class="color-primary" id="unique_id"'
echo $sut->render( 'context' );
$sut->add( 'another_context', [
'class' => '', // This will be skipped because empty
'attr1' => null, // This will be skipped because null
'attr2' => false, // This will be skipped because false
'attr3' => 0, // This will be skipped because 0 is also false
'id' => 'unique_id',
] );
// ' id="unique_id"'
echo $sut->render( 'another_context' );