<?php

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/**

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

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*

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* @package WordPress

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*/

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/**

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* Dynamically renders the `core/search` block.

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*

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* @since 6.3.0 Using block.json `viewScript` to register script, and update `view_script_handles()` only when needed.

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*

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* @param array $attributes The block attributes.

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* @param string $content The saved content.

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* @param WP_Block $block The parsed block.

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*

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* @return string The search block markup.

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*/

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function render_block_core_search( $attributes ) {

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// Older versions of the Search block defaulted the label and buttonText

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// attributes to `__( 'Search' )` meaning that many posts contain `<!--

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// wp:search /-->`. Support these by defaulting an undefined label and

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// buttonText to `__( 'Search' )`.

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$attributes = wp_parse_args(

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$attributes,

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array(

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'label' => __( 'Search' ),

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'buttonText' => __( 'Search' ),

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)

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);

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$input_id = wp_unique_id( 'wp-block-search__input-' );

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$classnames = classnames_for_block_core_search( $attributes );

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$show_label = ( ! empty( $attributes['showLabel'] ) ) ? true : false;

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$use_icon_button = ( ! empty( $attributes['buttonUseIcon'] ) ) ? true : false;

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$show_button = ( ! empty( $attributes['buttonPosition'] ) && 'no-button' === $attributes['buttonPosition'] ) ? false : true;

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$button_position = $show_button ? $attributes['buttonPosition'] : null;

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$query_params = ( ! empty( $attributes['query'] ) ) ? $attributes['query'] : array();

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$button = '';

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$query_params_markup = '';

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$inline_styles = styles_for_block_core_search( $attributes );

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$color_classes = get_color_classes_for_block_core_search( $attributes );

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$typography_classes = get_typography_classes_for_block_core_search( $attributes );

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$is_button_inside = ! empty( $attributes['buttonPosition'] ) &&

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'button-inside' === $attributes['buttonPosition'];

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// Border color classes need to be applied to the elements that have a border color.

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$border_color_classes = get_border_color_classes_for_block_core_search( $attributes );

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// This variable is a constant and its value is always false at this moment.

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// It is defined this way because some values depend on it, in case it changes in the future.

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$open_by_default = false;

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$label_inner_html = empty( $attributes['label'] ) ? __( 'Search' ) : wp_kses_post( $attributes['label'] );

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$label = new WP_HTML_Tag_Processor( sprintf( '<label %1$s>%2$s</label>', $inline_styles['label'], $label_inner_html ) );

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if ( $label->next_tag() ) {

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$label->set_attribute( 'for', $input_id );

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$label->add_class( 'wp-block-search__label' );

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if ( $show_label && ! empty( $attributes['label'] ) ) {

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if ( ! empty( $typography_classes ) ) {

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$label->add_class( $typography_classes );

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}

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} else {

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$label->add_class( 'screen-reader-text' );

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}

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}

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$input = new WP_HTML_Tag_Processor( sprintf( '<input type="search" name="s" required %s/>', $inline_styles['input'] ) );

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$input_classes = array( 'wp-block-search__input' );

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if ( ! $is_button_inside && ! empty( $border_color_classes ) ) {

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$input_classes[] = $border_color_classes;

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}

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if ( ! empty( $typography_classes ) ) {

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$input_classes[] = $typography_classes;

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}

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if ( $input->next_tag() ) {

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$input->add_class( implode( ' ', $input_classes ) );

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$input->set_attribute( 'id', $input_id );

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$input->set_attribute( 'value', get_search_query() );

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$input->set_attribute( 'placeholder', $attributes['placeholder'] );

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// If it's interactive, enqueue the script module and add the directives.

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$is_expandable_searchfield = 'button-only' === $button_position;

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if ( $is_expandable_searchfield ) {

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$suffix = wp_scripts_get_suffix();

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if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN ) {

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$module_url = gutenberg_url( '/build/interactivity/search.min.js' );

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}

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wp_register_script_module(

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'@wordpress/block-library/search',

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isset( $module_url ) ? $module_url : includes_url( "blocks/search/view{$suffix}.js" ),

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array( '@wordpress/interactivity' ),

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defined( 'GUTENBERG_VERSION' ) ? GUTENBERG_VERSION : get_bloginfo( 'version' )

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);

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wp_enqueue_script_module( '@wordpress/block-library/search' );

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$input->set_attribute( 'data-wp-bind--aria-hidden', '!context.isSearchInputVisible' );

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$input->set_attribute( 'data-wp-bind--tabindex', 'state.tabindex' );

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// Adding these attributes manually is needed until the Interactivity API

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// SSR logic is added to core.

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$input->set_attribute( 'aria-hidden', 'true' );

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$input->set_attribute( 'tabindex', '-1' );

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}

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}

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if ( count( $query_params ) > 0 ) {

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foreach ( $query_params as $param => $value ) {

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$query_params_markup .= sprintf(

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'<input type="hidden" name="%s" value="%s" />',

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esc_attr( $param ),

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esc_attr( $value )

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);

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}

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}

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if ( $show_button ) {

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$button_classes = array( 'wp-block-search__button' );

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$button_internal_markup = '';

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if ( ! empty( $color_classes ) ) {

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$button_classes[] = $color_classes;

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}

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if ( ! empty( $typography_classes ) ) {

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$button_classes[] = $typography_classes;

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}

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if ( ! $is_button_inside && ! empty( $border_color_classes ) ) {

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$button_classes[] = $border_color_classes;

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}

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if ( ! $use_icon_button ) {

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if ( ! empty( $attributes['buttonText'] ) ) {

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$button_internal_markup = wp_kses_post( $attributes['buttonText'] );

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}

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} else {

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$button_classes[] = 'has-icon';

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$button_internal_markup =

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'<svg class="search-icon" viewBox="0 0 24 24" width="24" height="24">

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<path d="M13 5c-3.3 0-6 2.7-6 6 0 1.4.5 2.7 1.3 3.7l-3.8 3.8 1.1 1.1 3.8-3.8c1 .8 2.3 1.3 3.7 1.3 3.3 0 6-2.7 6-6S16.3 5 13 5zm0 10.5c-2.5 0-4.5-2-4.5-4.5s2-4.5 4.5-4.5 4.5 2 4.5 4.5-2 4.5-4.5 4.5z"></path>

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</svg>';

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}

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// Include the button element class.

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$button_classes[] = wp_theme_get_element_class_name( 'button' );

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$button = new WP_HTML_Tag_Processor( sprintf( '<button type="submit" %s>%s</button>', $inline_styles['button'], $button_internal_markup ) );

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if ( $button->next_tag() ) {

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$button->add_class( implode( ' ', $button_classes ) );

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if ( 'button-only' === $attributes['buttonPosition'] ) {

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$button->set_attribute( 'data-wp-bind--aria-label', 'state.ariaLabel' );

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$button->set_attribute( 'data-wp-bind--aria-controls', 'state.ariaControls' );

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$button->set_attribute( 'data-wp-bind--aria-expanded', 'context.isSearchInputVisible' );

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$button->set_attribute( 'data-wp-bind--type', 'state.type' );

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$button->set_attribute( 'data-wp-on--click', 'actions.openSearchInput' );

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// Adding these attributes manually is needed until the Interactivity

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// API SSR logic is added to core.

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$button->set_attribute( 'aria-label', __( 'Expand search field' ) );

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$button->set_attribute( 'aria-controls', 'wp-block-search__input-' . $input_id );

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$button->set_attribute( 'aria-expanded', 'false' );

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$button->set_attribute( 'type', 'button' );

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} else {

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$button->set_attribute( 'aria-label', wp_strip_all_tags( $attributes['buttonText'] ) );

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}

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}

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}

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$field_markup_classes = $is_button_inside ? $border_color_classes : '';

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$field_markup = sprintf(

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'<div class="wp-block-search__inside-wrapper %s" %s>%s</div>',

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esc_attr( $field_markup_classes ),

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$inline_styles['wrapper'],

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$input . $query_params_markup . $button

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);

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$wrapper_attributes = get_block_wrapper_attributes(

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array( 'class' => $classnames )

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);

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$form_directives = '';

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// If it's interactive, add the directives.

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if ( $is_expandable_searchfield ) {

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$aria_label_expanded = __( 'Submit Search' );

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$aria_label_collapsed = __( 'Expand search field' );

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$form_context = wp_interactivity_data_wp_context(

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array(

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'isSearchInputVisible' => $open_by_default,

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'inputId' => $input_id,

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'ariaLabelExpanded' => $aria_label_expanded,

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'ariaLabelCollapsed' => $aria_label_collapsed,

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)

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);

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$form_directives = '

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data-wp-interactive="core/search"'

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. $form_context .

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'data-wp-class--wp-block-search__searchfield-hidden="!context.isSearchInputVisible"

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data-wp-on-async--keydown="actions.handleSearchKeydown"

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data-wp-on-async--focusout="actions.handleSearchFocusout"

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';

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}

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return sprintf(

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'<form role="search" method="get" action="%1s" %2s %3s>%4s</form>',

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esc_url( home_url( '/' ) ),

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$wrapper_attributes,

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$form_directives,

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$label . $field_markup

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);

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}

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/**

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

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*

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* @since 5.2.0

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*/

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function register_block_core_search() {

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register_block_type_from_metadata(

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__DIR__ . '/search',

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array(

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'render_callback' => 'render_block_core_search',

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)

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);

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}

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add_action( 'init', 'register_block_core_search' );

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/**

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* Builds the correct top level classnames for the 'core/search' block.

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*

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* @since 5.6.0

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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 classnames used in the block.

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*/

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function classnames_for_block_core_search( $attributes ) {

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$classnames = array();

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if ( ! empty( $attributes['buttonPosition'] ) ) {

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if ( 'button-inside' === $attributes['buttonPosition'] ) {

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$classnames[] = 'wp-block-search__button-inside';

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}

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if ( 'button-outside' === $attributes['buttonPosition'] ) {

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$classnames[] = 'wp-block-search__button-outside';

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}

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if ( 'no-button' === $attributes['buttonPosition'] ) {

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$classnames[] = 'wp-block-search__no-button';

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}

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if ( 'button-only' === $attributes['buttonPosition'] ) {

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$classnames[] = 'wp-block-search__button-only wp-block-search__searchfield-hidden';

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}

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}

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

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if ( ! empty( $attributes['buttonPosition'] ) && 'no-button' !== $attributes['buttonPosition'] ) {

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if ( $attributes['buttonUseIcon'] ) {

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$classnames[] = 'wp-block-search__icon-button';

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} else {

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$classnames[] = 'wp-block-search__text-button';

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}

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}

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}

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return implode( ' ', $classnames );

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}

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[264] Fix | Delete

/**

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* This generates a CSS rule for the given border property and side if provided.

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* Based on whether the Search block is configured to display the button inside

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* or not, the generated rule is injected into the appropriate collection of

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* styles for later application in the block's markup.

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*

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* @since 6.1.0

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*

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* @param array $attributes The block attributes.

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* @param string $property Border property to generate rule for e.g. width or color.

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* @param string $side Optional side border. The dictates the value retrieved and final CSS property.

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* @param array $wrapper_styles Current collection of wrapper styles.

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* @param array $button_styles Current collection of button styles.

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* @param array $input_styles Current collection of input styles.

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*/

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function apply_block_core_search_border_style( $attributes, $property, $side, &$wrapper_styles, &$button_styles, &$input_styles ) {

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$is_button_inside = isset( $attributes['buttonPosition'] ) && 'button-inside' === $attributes['buttonPosition'];

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$path = array( 'style', 'border', $property );

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if ( $side ) {

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array_splice( $path, 2, 0, $side );

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}

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$value = _wp_array_get( $attributes, $path, false );

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if ( empty( $value ) ) {

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return;

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}

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if ( 'color' === $property && $side ) {

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$has_color_preset = str_contains( $value, 'var:preset|color|' );

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if ( $has_color_preset ) {

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$named_color_value = substr( $value, strrpos( $value, '|' ) + 1 );

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$value = sprintf( 'var(--wp--preset--color--%s)', $named_color_value );

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}

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}

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$property_suffix = $side ? sprintf( '%s-%s', $side, $property ) : $property;

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if ( $is_button_inside ) {

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$wrapper_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) );

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} else {

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$button_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) );

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$input_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) );

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}

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}

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[312] Fix | Delete

/**

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* This adds CSS rules for a given border property e.g. width or color. It

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* injects rules into the provided wrapper, button and input style arrays for

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* uniform "flat" borders or those with individual sides configured.

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*

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* @since 6.1.0

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*

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* @param array $attributes The block attributes.

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* @param string $property Border property to generate rule for e.g. width or color.

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* @param array $wrapper_styles Current collection of wrapper styles.

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* @param array $button_styles Current collection of button styles.

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* @param array $input_styles Current collection of input styles.

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*/

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function apply_block_core_search_border_styles( $attributes, $property, &$wrapper_styles, &$button_styles, &$input_styles ) {

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apply_block_core_search_border_style( $attributes, $property, null, $wrapper_styles, $button_styles, $input_styles );

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apply_block_core_search_border_style( $attributes, $property, 'top', $wrapper_styles, $button_styles, $input_styles );

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apply_block_core_search_border_style( $attributes, $property, 'right', $wrapper_styles, $button_styles, $input_styles );

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apply_block_core_search_border_style( $attributes, $property, 'bottom', $wrapper_styles, $button_styles, $input_styles );

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apply_block_core_search_border_style( $attributes, $property, 'left', $wrapper_styles, $button_styles, $input_styles );

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}

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[333] Fix | Delete

/**

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* Builds an array of inline styles for the search block.

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*

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* The result will contain one entry for shared styles such as those for the

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* inner input or button and a second for the inner wrapper should the block

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* be positioning the button "inside".

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*

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* @since 5.8.0

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*

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* @param array $attributes The block attributes.

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*

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* @return array Style HTML attribute.

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*/

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function styles_for_block_core_search( $attributes ) {

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$wrapper_styles = array();

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$button_styles = array();

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$input_styles = array();

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$label_styles = array();

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$is_button_inside = ! empty( $attributes['buttonPosition'] ) &&

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'button-inside' === $attributes['buttonPosition'];

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$show_label = ( isset( $attributes['showLabel'] ) ) && false !== $attributes['showLabel'];

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// Add width styles.

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$has_width = ! empty( $attributes['width'] ) && ! empty( $attributes['widthUnit'] );

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if ( $has_width ) {

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$wrapper_styles[] = sprintf(

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'width: %d%s;',

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esc_attr( $attributes['width'] ),

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esc_attr( $attributes['widthUnit'] )

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);

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}

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// Add border width and color styles.

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apply_block_core_search_border_styles( $attributes, 'width', $wrapper_styles, $button_styles, $input_styles );

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apply_block_core_search_border_styles( $attributes, 'color', $wrapper_styles, $button_styles, $input_styles );

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apply_block_core_search_border_styles( $attributes, 'style', $wrapper_styles, $button_styles, $input_styles );

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[371] Fix | Delete

// Add border radius styles.

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$has_border_radius = ! empty( $attributes['style']['border']['radius'] );

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[374] Fix | Delete

if ( $has_border_radius ) {

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$default_padding = '4px';

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

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if ( is_array( $border_radius ) ) {

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// Apply styles for individual corner border radii.

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foreach ( $border_radius as $key => $value ) {

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if ( null !== $value ) {

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// Convert camelCase key to kebab-case.

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$name = strtolower( preg_replace( '/(?<!^)[A-Z]/', '-$0', $key ) );

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[385] Fix | Delete

// Add shared styles for individual border radii for input & button.

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$border_style = sprintf(

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'border-%s-radius: %s;',

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esc_attr( $name ),

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esc_attr( $value )

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);

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$input_styles[] = $border_style;

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$button_styles[] = $border_style;

[393] Fix | Delete

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// Add adjusted border radius styles for the wrapper element

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// if button is positioned inside.

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if ( $is_button_inside && intval( $value ) !== 0 ) {

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$wrapper_styles[] = sprintf(

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'border-%s-radius: calc(%s + %s);',

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esc_attr( $name ),

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esc_attr( $value ),

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$default_padding

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);

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}

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}

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}

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} else {

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// Numeric check is for backwards compatibility purposes.

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$border_radius = is_numeric( $border_radius ) ? $border_radius . 'px' : $border_radius;

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$border_style = sprintf( 'border-radius: %s;', esc_attr( $border_radius ) );

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$input_styles[] = $border_style;

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$button_styles[] = $border_style;

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if ( $is_button_inside && intval( $border_radius ) !== 0 ) {

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// Adjust wrapper border radii to maintain visual consistency

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// with inner elements when button is positioned inside.

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$wrapper_styles[] = sprintf(

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'border-radius: calc(%s + %s);',

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esc_attr( $border_radius ),

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$default_padding

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);

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}

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}

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}

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// Add color styles.

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$has_text_color = ! empty( $attributes['style']['color']['text'] );

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if ( $has_text_color ) {

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$button_styles[] = sprintf( 'color: %s;', $attributes['style']['color']['text'] );

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}

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$has_background_color = ! empty( $attributes['style']['color']['background'] );

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if ( $has_background_color ) {

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$button_styles[] = sprintf( 'background-color: %s;', $attributes['style']['color']['background'] );

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}

[435] Fix | Delete

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$has_custom_gradient = ! empty( $attributes['style']['color']['gradient'] );

[437] Fix | Delete

if ( $has_custom_gradient ) {

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$button_styles[] = sprintf( 'background: %s;', $attributes['style']['color']['gradient'] );

[439] Fix | Delete

}

[440] Fix | Delete

[441] Fix | Delete

// Get typography styles to be shared across inner elements.

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$typography_styles = esc_attr( get_typography_styles_for_block_core_search( $attributes ) );

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if ( ! empty( $typography_styles ) ) {

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$label_styles [] = $typography_styles;

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$button_styles[] = $typography_styles;

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$input_styles [] = $typography_styles;

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}

[448] Fix | Delete

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// Typography text-decoration is only applied to the label and button.

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if ( ! empty( $attributes['style']['typography']['textDecoration'] ) ) {

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$text_decoration_value = sprintf( 'text-decoration: %s;', esc_attr( $attributes['style']['typography']['textDecoration'] ) );

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$button_styles[] = $text_decoration_value;

[453] Fix | Delete

// Input opts out of text decoration.

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if ( $show_label ) {

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$label_styles[] = $text_decoration_value;

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}

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}

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return array(

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'input' => ! empty( $input_styles ) ? sprintf( ' style="%s"', esc_attr( safecss_filter_attr( implode( ' ', $input_styles ) ) ) ) : '',

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'button' => ! empty( $button_styles ) ? sprintf( ' style="%s"', esc_attr( safecss_filter_attr( implode( ' ', $button_styles ) ) ) ) : '',

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'wrapper' => ! empty( $wrapper_styles ) ? sprintf( ' style="%s"', esc_attr( safecss_filter_attr( implode( ' ', $wrapper_styles ) ) ) ) : '',

[463] Fix | Delete

'label' => ! empty( $label_styles ) ? sprintf( ' style="%s"', esc_attr( safecss_filter_attr( implode( ' ', $label_styles ) ) ) ) : '',

[464] Fix | Delete

);

[465] Fix | Delete

}

[466] Fix | Delete

[467] Fix | Delete

/**

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* Returns typography classnames depending on whether there are named font sizes/families.

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*

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* @since 6.1.0

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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 typography color classnames to be applied to the block elements.

[475] Fix | Delete

*/

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function get_typography_classes_for_block_core_search( $attributes ) {

[477] Fix | Delete

$typography_classes = array();

[478] Fix | Delete

$has_named_font_family = ! empty( $attributes['fontFamily'] );

[479] Fix | Delete

$has_named_font_size = ! empty( $attributes['fontSize'] );

[480] Fix | Delete

[481] Fix | Delete

if ( $has_named_font_size ) {

[482] Fix | Delete

$typography_classes[] = sprintf( 'has-%s-font-size', esc_attr( $attributes['fontSize'] ) );

[483] Fix | Delete

}

[484] Fix | Delete

[485] Fix | Delete

if ( $has_named_font_family ) {

[486] Fix | Delete

$typography_classes[] = sprintf( 'has-%s-font-family', esc_attr( $attributes['fontFamily'] ) );

[487] Fix | Delete

}

[488] Fix | Delete

[489] Fix | Delete

return implode( ' ', $typography_classes );

[490] Fix | Delete

}

[491] Fix | Delete

[492] Fix | Delete

/**

[493] Fix | Delete

* Returns typography styles to be included in an HTML style tag.

[494] Fix | Delete

* This excludes text-decoration, which is applied only to the label and button elements of the search block.

[495] Fix | Delete

*

[496] Fix | Delete

* @since 6.1.0

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*

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* @param array $attributes The block attributes.

[499] Fix | Delete