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<?php
/**
* Aria label block support flag.
*
* @package WordPress
* @since 6.8.0
*/
/**
* Registers the aria-label block attribute for block types that support it.
*
* @since 6.8.0
* @access private
*
* @param WP_Block_Type $block_type Block Type.
*/
function wp_register_aria_label_support( $block_type ) {
$has_aria_label_support = block_has_support( $block_type, array( 'ariaLabel' ), false );
if ( ! $has_aria_label_support ) {
return;
}
if ( ! $block_type->attributes ) {
$block_type->attributes = array();
}
if ( ! array_key_exists( 'ariaLabel', $block_type->attributes ) ) {
$block_type->attributes['ariaLabel'] = array(
'type' => 'string',
);
}
}
/**
* Add the aria-label to the output.
*
* @since 6.8.0
* @access private
*
* @param WP_Block_Type $block_type Block Type.
* @param array $block_attributes Block attributes.
*
* @return array Block aria-label.
*/
function wp_apply_aria_label_support( $block_type, $block_attributes ) {
if ( ! $block_attributes ) {
return array();
}
$has_aria_label_support = block_has_support( $block_type, array( 'ariaLabel' ), false );
if ( ! $has_aria_label_support ) {
return array();
}
$has_aria_label = array_key_exists( 'ariaLabel', $block_attributes );
if ( ! $has_aria_label ) {
return array();
}
return array( 'aria-label' => $block_attributes['ariaLabel'] );
}
// Register the block support.
WP_Block_Supports::get_instance()->register(
'aria-label',
array(
'register_attribute' => 'wp_register_aria_label_support',
'apply' => 'wp_apply_aria_label_support',
)
);