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<?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 $instance_id = 0; |
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$input_id = 'wp-block-search__input-' . ++$instance_id; |
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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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} |
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$input_markup = sprintf( |
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'<input type="search" id="%s" class="wp-block-search__input" name="s" value="%s" placeholder="%s" />', |
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$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 .= ' ' . $attributes['className']; |
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} |
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return sprintf( |
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'<form class="%s" role="search" method="get" action="%s">%s</form>', |
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$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( |
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'core/search', |
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array( |
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'attributes' => array( |
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'label' => array( |
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'type' => 'string', |
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'default' => __( 'Search' ), |
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), |
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'placeholder' => array( |
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'type' => 'string', |
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'default' => '', |
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), |
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'buttonText' => array( |
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'type' => 'string', |
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'default' => __( 'Search' ), |
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), |
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), |
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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' ); |