%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* /lib/shortcodes.php
*
* @package Relevanssi
* @author Mikko Saari
* @license https://wordpress.org/about/gpl/ GNU General Public License
* @see https://www.relevanssi.com/
*/
add_shortcode( 'search', 'relevanssi_shortcode' );
add_shortcode( 'noindex', 'relevanssi_noindex_shortcode' );
add_shortcode( 'searchform', 'relevanssi_search_form' );
/**
* Creates a link to search results.
*
* Using this is generally not a brilliant idea, actually. Google doesn't like
* it if you create links to internal search results.
*
* Usage: [search term='tomato']tomatoes[/search] would create a link like this:
* <a href="/?s=tomato">tomatoes</a>
*
* Set 'phrase' to something else than 'not' to make the search term a phrase.
*
* @global object $wpdb The WordPress database interface.
*
* @param array $atts The shortcode attributes. If 'term' is set, will use
* it as the search term, otherwise the content word is used as the term.
* @param string $content The content inside the shortcode tags.
*
* @return string A link to search results.
*/
function relevanssi_shortcode( $atts, $content ) {
$attributes = shortcode_atts(
array(
'term' => false,
'phrase' => 'not',
),
$atts
);
$term = $attributes['term'];
$phrase = $attributes['phrase'];
if ( false !== $term ) {
$term = rawurlencode( relevanssi_strtolower( $term ) );
} else {
$term = rawurlencode( wp_strip_all_tags( relevanssi_strtolower( $content ) ) );
}
if ( 'not' !== $phrase ) {
$term = '%22' . $term . '%22';
}
$link = get_bloginfo( 'url' ) . "/?s=$term";
$pre = "<a rel='nofollow' href='$link'>"; // rel='nofollow' for Google.
$post = '</a>';
return $pre . do_shortcode( $content ) . $post;
}
/**
* Does nothing.
*
* In normal use, the [noindex] shortcode does nothing.
*
* @param array $atts The shortcode attributes. Not used.
* @param string $content The content inside the shortcode tags.
*
* @return string The shortcode content.
*/
function relevanssi_noindex_shortcode( $atts, $content ) {
return do_shortcode( $content );
}
/**
* Returns nothing.
*
* During indexing, the [noindex] shortcode returns nothing.
*
* @param array $atts The shortcode attributes. Not used.
* @param string $content The content inside the shortcode tags.
*
* @return string An empty string.
*/
function relevanssi_noindex_shortcode_indexing( $atts, $content ) {
return '';
}
/**
* Returns a search form.
*
* Returns a search form generated by get_search_form(). Any attributes passed to the
* shortcode will be passed onto the search form, for example like this:
*
* [searchform post_types='post,product']
*
* This would add a
*
* <input type="hidden" name="post_types" value="post,product" />
*
* to the search form.
*
* @param array $atts The shortcode attributes.
*
* @return string A search form.
*/
function relevanssi_search_form( $atts ) {
$form = get_search_form( false );
if ( is_array( $atts ) ) {
$additional_fields = array();
foreach ( $atts as $key => $value ) {
if ( 'dropdown' === substr( $key, 0, 8 ) ) {
$key = 'dropdown';
}
if ( 'checklist' === substr( $key, 0, 9 ) ) {
$key = 'checklist';
}
if ( 'post_type_boxes' === $key ) {
$post_types = explode( ',', $value );
if ( is_array( $post_types ) ) {
$post_type_objects = get_post_types( array(), 'objects' );
$additional_fields[] = '<div class="post_types"><strong>Post types</strong>: ';
foreach ( $post_types as $post_type ) {
$checked = '';
if ( '*' === substr( $post_type, 0, 1 ) ) {
$post_type = substr( $post_type, 1 );
$checked = ' checked="checked" ';
}
if ( isset( $post_type_objects[ $post_type ] ) ) {
$additional_fields[] = '<span class="post_type post_type_' . $post_type . '">'
. '<input type="checkbox" name="post_types[]" value="' . $post_type . '"' . $checked . '/> '
. $post_type_objects[ $post_type ]->name . '</span>';
}
}
$additional_fields[] = '</div>';
}
} elseif ( 'dropdown' === $key && 'post_type' === $value ) {
$field = '<select name="post_type">';
$types = get_option( 'relevanssi_index_post_types' );
if ( ! is_array( $types ) ) {
$types = array();
}
foreach ( $types as $type ) {
if ( post_type_exists( $type ) ) {
$object = get_post_type_object( $type );
$field .= '<option value="' . $type . '">' . $object->labels->singular_name . '</option>';
}
}
$field .= '</select>';
$additional_fields[] = $field;
} elseif ( 'dropdown' === $key && 'post_type' !== $value ) {
$name = $value;
if ( 'category' === $value ) {
$name = 'cat';
}
if ( 'post_tag' === $value ) {
$name = 'tag';
}
$args = array(
'taxonomy' => $value,
'echo' => 0,
'hide_if_empty' => true,
'show_option_none' => __( 'None' ),
'name' => $name,
);
$additional_fields[] = wp_dropdown_categories( $args );
} elseif ( 'checklist' === $key && 'post_type' !== $value ) {
$name = $value;
if ( 'category' === $value ) {
$name = 'cat';
}
if ( 'post_tag' === $value ) {
$name = 'tag';
}
$args = array(
'taxonomy' => $value,
'echo' => 0,
);
if ( ! function_exists( 'wp_terms_checklist' ) ) {
include ABSPATH . 'wp-admin/includes/template.php';
}
$checklist = wp_terms_checklist( 0, $args );
$checklist = str_replace( 'post_category', 'cats', $checklist );
$checklist = str_replace( 'tax_input[post_tag]', 'tags', $checklist );
$checklist = str_replace( "disabled='disabled'", '', $checklist );
$checklist = preg_replace( '/tax_input\[(.*?)\]/', '\1', $checklist );
$additional_fields[] = $checklist;
} else {
$key = esc_attr( $key );
$value = esc_attr( $value );
$additional_fields[] = "<input type='hidden' name='$key' value='$value' />";
}
}
$form = str_replace( '</form>', implode( "\n", $additional_fields ) . '</form>', $form );
}
/**
* Filters the Relevanssi shortcode search form before it's used.
*
* @param string $form The form HTML code.
* @param array $atts The shortcode attributes.
*/
return apply_filters( 'relevanssi_search_form', $form, $atts );
}
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