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Props aristath, timothyblynjacobs, ocean90. Fixes #53247. Built from https://develop.svn.wordpress.org/trunk@51091 git-svn-id: http://core.svn.wordpress.org/trunk@50700 1a063a9b-81f0-0310-95a4-ce76da25c4cd
165 lines
5.1 KiB
PHP
165 lines
5.1 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/site-logo` 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/site-logo` block on the server.
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*
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* @param array $attributes The block attributes.
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*
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* @return string The render.
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*/
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function render_block_core_site_logo( $attributes ) {
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$adjust_width_height_filter = function ( $image ) use ( $attributes ) {
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if ( empty( $attributes['width'] ) ) {
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return $image;
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}
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$height = (float) $attributes['width'] / ( (float) $image[1] / (float) $image[2] );
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return array( $image[0], (int) $attributes['width'], (int) $height );
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};
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add_filter( 'wp_get_attachment_image_src', $adjust_width_height_filter );
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$custom_logo = get_custom_logo();
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remove_filter( 'wp_get_attachment_image_src', $adjust_width_height_filter );
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if ( empty( $custom_logo ) ) {
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return ''; // Return early if no custom logo is set, avoiding extraneous wrapper div.
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}
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if ( ! $attributes['isLink'] ) {
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// Remove the link.
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$custom_logo = preg_replace( '#<a.*?>(.*?)</a>#i', '\1', $custom_logo );
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}
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if ( $attributes['isLink'] && '_blank' === $attributes['linkTarget'] ) {
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// Add the link target after the rel="home".
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// Add an aria-label for informing that the page opens in a new tab.
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$aria_label = 'aria-label="' . esc_attr__( '(Home link, opens in a new tab)' ) . '"';
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$custom_logo = str_replace( 'rel="home"', 'rel="home" target="' . $attributes['linkTarget'] . '"' . $aria_label, $custom_logo );
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}
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$classnames = array();
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if ( ! empty( $attributes['className'] ) ) {
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$classnames[] = $attributes['className'];
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}
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if ( ! empty( $attributes['align'] ) && in_array( $attributes['align'], array( 'center', 'left', 'right' ), true ) ) {
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$classnames[] = "align{$attributes['align']}";
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}
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if ( empty( $attributes['width'] ) ) {
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$classnames[] = 'is-default-size';
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}
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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classnames ) ) );
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$html = sprintf( '<div %s>%s</div>', $wrapper_attributes, $custom_logo );
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return $html;
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}
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/**
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* Register a core site setting for a site logo
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*/
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function register_block_core_site_logo_setting() {
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register_setting(
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'general',
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'site_logo',
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array(
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'show_in_rest' => array(
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'name' => 'site_logo',
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),
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'type' => 'integer',
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'description' => __( 'Site logo.' ),
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)
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);
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}
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add_action( 'rest_api_init', 'register_block_core_site_logo_setting', 10 );
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/**
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* Registers the `core/site-logo` block on the server.
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*/
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function register_block_core_site_logo() {
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register_block_type_from_metadata(
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__DIR__ . '/site-logo',
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array(
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'render_callback' => 'render_block_core_site_logo',
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)
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);
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}
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add_action( 'init', 'register_block_core_site_logo' );
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/**
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* Overrides the custom logo with a site logo, if the option is set.
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*
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* @param string $custom_logo The custom logo set by a theme.
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*
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* @return string The site logo if set.
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*/
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function _override_custom_logo_theme_mod( $custom_logo ) {
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$site_logo = get_option( 'site_logo' );
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return false === $site_logo ? $custom_logo : $site_logo;
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}
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add_filter( 'theme_mod_custom_logo', '_override_custom_logo_theme_mod' );
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/**
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* Updates the site_logo option when the custom_logo theme-mod gets updated.
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*
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* This function is hooked on "update_option_theme_mods_$theme" and not
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* "pre_set_theme_mod_custom_logo" because by hooking in `update_option`
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* the function accounts for remove_theme_mod() as well.
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*
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* @param mixed $old_value The old option value.
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* @param mixed $value The new option value.
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*/
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function _sync_custom_logo_to_site_logo( $old_value, $value ) {
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// Delete the option when the custom logo does not exist or was removed.
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// This step ensures the option stays in sync.
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if ( empty( $value['custom_logo'] ) ) {
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delete_option( 'site_logo' );
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} else {
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remove_action( 'update_option_site_logo', '_sync_site_logo_to_custom_logo' );
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update_option( 'site_logo', $value['custom_logo'] );
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add_action( 'update_option_site_logo', '_sync_site_logo_to_custom_logo', 10, 2 );
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}
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}
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/**
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* Hooks `_sync_custom_logo_to_site_logo` in `update_option_theme_mods_$theme`.
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*
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* Runs on `setup_theme` to account for dynamically-switched themes in the Customizer.
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*/
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function _sync_custom_logo_to_site_logo_on_setup_theme() {
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$theme = get_option( 'stylesheet' );
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add_action( "update_option_theme_mods_$theme", '_sync_custom_logo_to_site_logo', 10, 2 );
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}
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add_action( 'setup_theme', '_sync_custom_logo_to_site_logo_on_setup_theme', 11 );
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/**
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* Updates the custom_logo theme-mod when the site_logo option gets updated.
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*
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* @param mixed $old_value The old option value.
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* @param mixed $value The new option value.
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*
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* @return void
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*/
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function _sync_site_logo_to_custom_logo( $old_value, $value ) {
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// Delete the option when the custom logo does not exist or was removed.
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// This step ensures the option stays in sync.
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if ( empty( $value ) ) {
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remove_theme_mod( 'custom_logo' );
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} else {
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remove_filter( 'pre_set_theme_mod_custom_logo', '_sync_custom_logo_to_site_logo' );
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set_theme_mod( 'custom_logo', $value );
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add_filter( 'pre_set_theme_mod_custom_logo', '_sync_custom_logo_to_site_logo' );
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}
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}
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add_action( 'update_option_site_logo', '_sync_site_logo_to_custom_logo', 10, 2 );
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