<?php

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/**

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* Server-side rendering of the `core/avatar` block.

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*

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* @package WordPress

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*/

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/**

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* Renders the `core/avatar` block on the server.

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*

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* @since 6.0.0

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*

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* @param array $attributes Block attributes.

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* @param string $content Block default content.

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* @param WP_Block $block Block instance.

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* @return string Return the avatar.

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*/

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function render_block_core_avatar( $attributes, $content, $block ) {

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$size = isset( $attributes['size'] ) ? $attributes['size'] : 96;

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$wrapper_attributes = get_block_wrapper_attributes();

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$border_attributes = get_block_core_avatar_border_attributes( $attributes );

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// Class gets passed through `esc_attr` via `get_avatar`.

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$image_classes = ! empty( $border_attributes['class'] )

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? "wp-block-avatar__image {$border_attributes['class']}"

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: 'wp-block-avatar__image';

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// Unlike class, `get_avatar` doesn't filter the styles via `esc_attr`.

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// The style engine does pass the border styles through

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// `safecss_filter_attr` however.

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$image_styles = ! empty( $border_attributes['style'] )

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? sprintf( ' style="%s"', esc_attr( $border_attributes['style'] ) )

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: '';

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if ( ! isset( $block->context['commentId'] ) ) {

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if ( isset( $attributes['userId'] ) ) {

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$author_id = $attributes['userId'];

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} elseif ( isset( $block->context['postId'] ) ) {

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$author_id = get_post_field( 'post_author', $block->context['postId'] );

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} else {

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$author_id = get_query_var( 'author' );

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}

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if ( empty( $author_id ) ) {

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return '';

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}

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$author_name = get_the_author_meta( 'display_name', $author_id );

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// translators: %s is the Author name.

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$alt = sprintf( __( '%s Avatar' ), $author_name );

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$avatar_block = get_avatar(

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$author_id,

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$size,

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'',

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$alt,

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array(

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'extra_attr' => $image_styles,

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'class' => $image_classes,

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)

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);

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if ( isset( $attributes['isLink'] ) && $attributes['isLink'] ) {

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$label = '';

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if ( '_blank' === $attributes['linkTarget'] ) {

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// translators: %s is the Author name.

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$label = 'aria-label="' . esc_attr( sprintf( __( '(%s author archive, opens in a new tab)' ), $author_name ) ) . '"';

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}

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// translators: %1$s: Author archive link. %2$s: Link target. %3$s Aria label. %4$s Avatar image.

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$avatar_block = sprintf( '<a href="%1$s" target="%2$s" %3$s class="wp-block-avatar__link">%4$s</a>', esc_url( get_author_posts_url( $author_id ) ), esc_attr( $attributes['linkTarget'] ), $label, $avatar_block );

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}

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return sprintf( '<div %1s>%2s</div>', $wrapper_attributes, $avatar_block );

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}

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$comment = get_comment( $block->context['commentId'] );

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if ( ! $comment ) {

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return '';

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}

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/* translators: %s is the Comment Author name */

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$alt = sprintf( __( '%s Avatar' ), $comment->comment_author );

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$avatar_block = get_avatar(

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$comment,

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$size,

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'',

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$alt,

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array(

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'extra_attr' => $image_styles,

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'class' => $image_classes,

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)

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);

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if ( isset( $attributes['isLink'] ) && $attributes['isLink'] && isset( $comment->comment_author_url ) && '' !== $comment->comment_author_url ) {

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$label = '';

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if ( '_blank' === $attributes['linkTarget'] ) {

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// translators: %s is the Comment Author name.

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$label = 'aria-label="' . esc_attr( sprintf( __( '(%s website link, opens in a new tab)' ), $comment->comment_author ) ) . '"';

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}

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// translators: %1$s: Comment Author website link. %2$s: Link target. %3$s Aria label. %4$s Avatar image.

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$avatar_block = sprintf( '<a href="%1$s" target="%2$s" %3$s class="wp-block-avatar__link">%4$s</a>', esc_url( $comment->comment_author_url ), esc_attr( $attributes['linkTarget'] ), $label, $avatar_block );

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}

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return sprintf( '<div %1s>%2s</div>', $wrapper_attributes, $avatar_block );

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}

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/**

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* Generates class names and styles to apply the border support styles for

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* the Avatar block.

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*

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* @since 6.3.0

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*

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* @param array $attributes The block attributes.

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* @return array The border-related classnames and styles for the block.

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*/

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function get_block_core_avatar_border_attributes( $attributes ) {

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$border_styles = array();

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$sides = array( 'top', 'right', 'bottom', 'left' );

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// Border radius.

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if ( isset( $attributes['style']['border']['radius'] ) ) {

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$border_styles['radius'] = $attributes['style']['border']['radius'];

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}

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// Border style.

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if ( isset( $attributes['style']['border']['style'] ) ) {

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$border_styles['style'] = $attributes['style']['border']['style'];

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}

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// Border width.

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if ( isset( $attributes['style']['border']['width'] ) ) {

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$border_styles['width'] = $attributes['style']['border']['width'];

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}

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// Border color.

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$preset_color = array_key_exists( 'borderColor', $attributes ) ? "var:preset|color|{$attributes['borderColor']}" : null;

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$custom_color = $attributes['style']['border']['color'] ?? null;

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$border_styles['color'] = $preset_color ? $preset_color : $custom_color;

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// Individual border styles e.g. top, left etc.

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foreach ( $sides as $side ) {

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$border = $attributes['style']['border'][ $side ] ?? null;

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$border_styles[ $side ] = array(

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'color' => isset( $border['color'] ) ? $border['color'] : null,

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'style' => isset( $border['style'] ) ? $border['style'] : null,

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'width' => isset( $border['width'] ) ? $border['width'] : null,

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);

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}

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$styles = wp_style_engine_get_styles( array( 'border' => $border_styles ) );

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$attributes = array();

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if ( ! empty( $styles['classnames'] ) ) {

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$attributes['class'] = $styles['classnames'];

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}

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if ( ! empty( $styles['css'] ) ) {

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$attributes['style'] = $styles['css'];

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}

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return $attributes;

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}

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/**

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* Registers the `core/avatar` block on the server.

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*

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* @since 6.0.0

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*/

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function register_block_core_avatar() {

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register_block_type_from_metadata(

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__DIR__ . '/avatar',

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array(

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'render_callback' => 'render_block_core_avatar',

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)

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);

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}

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add_action( 'init', 'register_block_core_avatar' );

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