AlkantarClanX12
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<?php
/**
* Server-side rendering of the `core/categories` block.
*
* @package WordPress
*/
/**
* Renders the `core/categories` block on server.
*
* @since 5.0.0
*
* @param array $attributes The block attributes.
*
* @return string Returns the categories list/dropdown markup.
*/
function render_block_core_categories( $attributes ) {
static $block_id = 0;
++$block_id;
$args = array(
'echo' => false,
'hierarchical' => ! empty( $attributes['showHierarchy'] ),
'orderby' => 'name',
'show_count' => ! empty( $attributes['showPostCounts'] ),
'title_li' => '',
'hide_empty' => empty( $attributes['showEmpty'] ),
);
if ( ! empty( $attributes['showOnlyTopLevel'] ) && $attributes['showOnlyTopLevel'] ) {
$args['parent'] = 0;
}
if ( ! empty( $attributes['displayAsDropdown'] ) ) {
$id = 'wp-block-categories-' . $block_id;
$args['id'] = $id;
$args['show_option_none'] = __( 'Select Category' );
$wrapper_markup = '<div %1$s><label class="screen-reader-text" for="' . esc_attr( $id ) . '">' . __( 'Categories' ) . '</label>%2$s</div>';
$items_markup = wp_dropdown_categories( $args );
$type = 'dropdown';
if ( ! is_admin() ) {
// Inject the dropdown script immediately after the select dropdown.
$items_markup = preg_replace(
'#(?<=</select>)#',
build_dropdown_script_block_core_categories( $id ),
$items_markup,
1
);
}
} else {
$wrapper_markup = '<ul %1$s>%2$s</ul>';
$items_markup = wp_list_categories( $args );
$type = 'list';
}
$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => "wp-block-categories-{$type}" ) );
return sprintf(
$wrapper_markup,
$wrapper_attributes,
$items_markup
);
}
/**
* Generates the inline script for a categories dropdown field.
*
* @since 5.0.0
*
* @param string $dropdown_id ID of the dropdown field.
*
* @return string Returns the dropdown onChange redirection script.
*/
function build_dropdown_script_block_core_categories( $dropdown_id ) {
ob_start();
?>
<script>
( function() {
var dropdown = document.getElementById( '<?php echo esc_js( $dropdown_id ); ?>' );
function onCatChange() {
if ( dropdown.options[ dropdown.selectedIndex ].value > 0 ) {
location.href = "<?php echo esc_url( home_url() ); ?>/?cat=" + dropdown.options[ dropdown.selectedIndex ].value;
}
}
dropdown.onchange = onCatChange;
})();
</script>
<?php
return wp_get_inline_script_tag( str_replace( array( '<script>', '</script>' ), '', ob_get_clean() ) );
}
/**
* Registers the `core/categories` block on server.
*
* @since 5.0.0
*/
function register_block_core_categories() {
register_block_type_from_metadata(
__DIR__ . '/categories',
array(
'render_callback' => 'render_block_core_categories',
)
);
}
add_action( 'init', 'register_block_core_categories' );