90 lines
2.2 KiB
PHP
90 lines
2.2 KiB
PHP
<?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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* @param array $attributes The block attributes.
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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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static $instance_id = 0;
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// Older versions of the Search block defaulted the label and buttonText
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// attributes to `__( 'Search' )` meaning that many posts contain `<!--
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// wp:search /-->`. Support these by defaulting an undefined label and
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// buttonText to `__( 'Search' )`.
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$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-block-search__input-' . ++$instance_id;
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$label_markup = '';
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$button_markup = '';
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if ( ! empty( $attributes['label'] ) ) {
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$label_markup = sprintf(
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'<label for="%s" class="wp-block-search__label">%s</label>',
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$input_id,
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$attributes['label']
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);
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} else {
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$label_markup = sprintf(
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'<label for="%s" class="wp-block-search__label screen-reader-text">%s</label>',
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$input_id,
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__( 'Search' )
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);
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}
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$input_markup = sprintf(
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'<input type="search" id="%s" class="wp-block-search__input" name="s" value="%s" placeholder="%s" required />',
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$input_id,
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esc_attr( get_search_query() ),
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esc_attr( $attributes['placeholder'] )
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);
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if ( ! empty( $attributes['buttonText'] ) ) {
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$button_markup = sprintf(
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'<button type="submit" class="wp-block-search__button">%s</button>',
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$attributes['buttonText']
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);
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}
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$class = 'wp-block-search';
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if ( isset( $attributes['className'] ) ) {
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$class .= ' ' . $attributes['className'];
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}
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if ( isset( $attributes['align'] ) ) {
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$class .= ' align' . $attributes['align'];
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}
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return sprintf(
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'<form class="%s" role="search" method="get" action="%s">%s</form>',
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esc_attr( $class ),
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esc_url( home_url( '/' ) ),
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$label_markup . $input_markup . $button_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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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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