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Add option to remove links from posts #137

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7f8087a
Add option to remove links from posts
JiveDig Jan 31, 2017
799e056
change parameter name
JiveDig Jan 31, 2017
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150 changes: 80 additions & 70 deletions display-posts-shortcode.php
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Original file line number Diff line number Diff line change
Expand Up @@ -7,11 +7,11 @@
* Author: Bill Erickson
* Author URI: http://www.billerickson.net
*
* This program is free software; you can redistribute it and/or modify it under the terms of the GNU
* General Public License version 2, as published by the Free Software Foundation. You may NOT assume
* This program is free software; you can redistribute it and/or modify it under the terms of the GNU
* General Public License version 2, as published by the Free Software Foundation. You may NOT assume
* that you can use any other version of the GPL.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* @package Display Posts
Expand All @@ -21,13 +21,13 @@
* @link http://www.billerickson.net/shortcode-to-display-posts/
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/


/**
* To Customize, use the following filters:
* @link https://github.com/billerickson/display-posts-shortcode/wiki#customization-with-filters
*/
*/

// Create the shortcode
add_shortcode( 'display-posts', 'be_display_posts_shortcode' );
function be_display_posts_shortcode( $atts ) {
Expand Down Expand Up @@ -63,6 +63,7 @@ function be_display_posts_shortcode( $atts ) {
'include_date' => false,
'include_excerpt' => false,
'include_title' => true,
'include_link' => true,
'meta_key' => '',
'meta_value' => '',
'no_posts_message' => '',
Expand All @@ -84,7 +85,7 @@ function be_display_posts_shortcode( $atts ) {
'wrapper_class' => 'display-posts-listing',
'wrapper_id' => false,
), $atts, 'display-posts' );

// End early if shortcode should be turned off
if( $atts['display_posts_off'] )
return;
Expand Down Expand Up @@ -114,6 +115,7 @@ function be_display_posts_shortcode( $atts ) {
$include_content = filter_var( $atts['include_content'], FILTER_VALIDATE_BOOLEAN );
$include_date = filter_var( $atts['include_date'], FILTER_VALIDATE_BOOLEAN );
$include_excerpt = filter_var( $atts['include_excerpt'], FILTER_VALIDATE_BOOLEAN );
$include_link = filter_var( $atts['include_link'], FILTER_VALIDATE_BOOLEAN );
$meta_key = sanitize_text_field( $atts['meta_key'] );
$meta_value = sanitize_text_field( $atts['meta_value'] );
$no_posts_message = sanitize_text_field( $atts['no_posts_message'] );
Expand All @@ -123,6 +125,7 @@ function be_display_posts_shortcode( $atts ) {
$post_parent = $atts['post_parent']; // Validated later, after check for 'current'
$post_status = $atts['post_status']; // Validated later as one of a few values
$post_type = sanitize_text_field( $atts['post_type'] );
$post_type_public = get_post_type_object( $post_type )->public;
$posts_per_page = intval( $atts['posts_per_page'] );
$tag = sanitize_text_field( $atts['tag'] );
$tax_operator = $atts['tax_operator']; // Validated later as one of a few values
Expand All @@ -139,7 +142,7 @@ function be_display_posts_shortcode( $atts ) {
$wrapper_id = sanitize_html_class( $atts['wrapper_id'] );
if( !empty( $wrapper_id ) )
$wrapper_id = ' id="' . $wrapper_id . '"';

// Set up initial query for post
$args = array(
'category_name' => $category,
Expand Down Expand Up @@ -233,53 +236,53 @@ function be_display_posts_shortcode( $atts ) {
// Ignore Sticky Posts
if( $ignore_sticky_posts )
$args['ignore_sticky_posts'] = true;

// Meta key (for ordering)
if( !empty( $meta_key ) )
$args['meta_key'] = $meta_key;

// Meta value (for simple meta queries)
if( !empty( $meta_value ) )
$args['meta_value'] = $meta_value;

// If Post IDs
if( $id ) {
$posts_in = array_map( 'intval', explode( ',', $id ) );
$args['post__in'] = $posts_in;
}

// If Exclude Current
if( is_singular() && $exclude_current )
$args['post__not_in'] = array( get_the_ID() );

// Post Author
if( !empty( $author ) ) {
if( 'current' == $author && is_user_logged_in() )
$args['author_name'] = wp_get_current_user()->user_login;
elseif( 'current' == $author )
$args['meta_key'] = 'dps_no_results';
$args['meta_key'] = 'dps_no_results';
else
$args['author_name'] = $author;
}

// Offset
if( !empty( $offset ) )
$args['offset'] = $offset;
// Post Status
$post_status = explode( ', ', $post_status );

// Post Status
$post_status = explode( ', ', $post_status );
$validated = array();
$available = array( 'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', 'trash', 'any' );
foreach ( $post_status as $unvalidated )
if ( in_array( $unvalidated, $available ) )
$validated[] = $unvalidated;
if( !empty( $validated ) )
if( !empty( $validated ) )
$args['post_status'] = $validated;


// If taxonomy attributes, create a taxonomy query
if ( !empty( $taxonomy ) && !empty( $tax_term ) ) {

if( 'current' == $tax_term ) {
global $post;
$terms = wp_get_post_terms(get_the_ID(), $taxonomy);
Expand All @@ -291,11 +294,11 @@ function be_display_posts_shortcode( $atts ) {
// Term string to array
$tax_term = explode( ', ', $tax_term );
}

// Validate operator
if( !in_array( $tax_operator, array( 'IN', 'NOT IN', 'AND' ) ) )
$tax_operator = 'IN';

$tax_args = array(
'tax_query' => array(
array(
Expand All @@ -307,45 +310,45 @@ function be_display_posts_shortcode( $atts ) {
)
)
);

// Check for multiple taxonomy queries
$count = 2;
$more_tax_queries = false;
while(
isset( $original_atts['taxonomy_' . $count] ) && !empty( $original_atts['taxonomy_' . $count] ) &&
isset( $original_atts['tax_' . $count . '_term'] ) && !empty( $original_atts['tax_' . $count . '_term'] )
while(
isset( $original_atts['taxonomy_' . $count] ) && !empty( $original_atts['taxonomy_' . $count] ) &&
isset( $original_atts['tax_' . $count . '_term'] ) && !empty( $original_atts['tax_' . $count . '_term'] )
):

// Sanitize values
$more_tax_queries = true;
$taxonomy = sanitize_key( $original_atts['taxonomy_' . $count] );
$terms = explode( ', ', sanitize_text_field( $original_atts['tax_' . $count . '_term'] ) );
$tax_operator = isset( $original_atts['tax_' . $count . '_operator'] ) ? $original_atts['tax_' . $count . '_operator'] : 'IN';
$tax_operator = in_array( $tax_operator, array( 'IN', 'NOT IN', 'AND' ) ) ? $tax_operator : 'IN';
$tax_include_children = isset( $original_atts['tax_' . $count . '_include_children'] ) ? filter_var( $atts['tax_' . $count . '_include_children'], FILTER_VALIDATE_BOOLEAN ) : true;

$tax_args['tax_query'][] = array(
'taxonomy' => $taxonomy,
'field' => 'slug',
'terms' => $terms,
'operator' => $tax_operator,
'include_children' => $tax_include_children,
);

$count++;

endwhile;

if( $more_tax_queries ):
$tax_relation = 'AND';
if( isset( $original_atts['tax_relation'] ) && in_array( $original_atts['tax_relation'], array( 'AND', 'OR' ) ) )
$tax_relation = $original_atts['tax_relation'];
$args['tax_query']['relation'] = $tax_relation;
endif;

$args = array_merge_recursive( $args, $tax_args );
}

// If post parent attribute, set up parent
if( $post_parent !== false ) {
if( 'current' == $post_parent ) {
Expand All @@ -354,8 +357,8 @@ function be_display_posts_shortcode( $atts ) {
}
$args['post_parent'] = intval( $post_parent );
}
// Set up html elements used to wrap the posts.

// Set up html elements used to wrap the posts.
// Default is ul/li, but can also be ol/li and div/div
$wrapper_options = array( 'ul', 'ol', 'div' );
if( ! in_array( $wrapper, $wrapper_options ) )
Expand All @@ -381,25 +384,32 @@ function be_display_posts_shortcode( $atts ) {
*/
return apply_filters( 'display_posts_shortcode_no_results', wpautop( $no_posts_message ) );
}

$inner = '';
while ( $listing->have_posts() ): $listing->the_post(); global $post;

$image = $date = $author = $excerpt = $content = '';

if ( $include_title ) {
/** This filter is documented in wp-includes/link-template.php */
$title = '<a class="title" href="' . apply_filters( 'the_permalink', get_permalink() ) . '">' . get_the_title() . '</a>';
if ( $include_link && $post_type_public ) {
/** This filter is documented in wp-includes/link-template.php */
$title = '<a class="title" href="' . apply_filters( 'the_permalink', get_permalink() ) . '">' . get_the_title() . '</a>';
} else {
$title = '<span class="title">' . get_the_title() . '</span>';
}
} else {
$title = '';
}

if ( $image_size && has_post_thumbnail() )
$image = '<a class="image" href="' . get_permalink() . '">' . get_the_post_thumbnail( get_the_ID(), $image_size ) . '</a> ';

if ( $include_date )
if ( $image_size && has_post_thumbnail() )
if ( $include_link && $post_type_public ) {
$image = '<a class="image" href="' . get_permalink() . '">' . get_the_post_thumbnail( get_the_ID(), $image_size ) . '</a> ';
} else {
$image = '<span class="image">' . get_the_post_thumbnail( get_the_ID(), $image_size ) . '</span>';
}
if ( $include_date )
$date = ' <span class="date">' . get_the_date( $date_format ) . '</span>';

if( $include_author )
/**
* Filter the HTML markup to display author information for the current post.
Expand All @@ -409,12 +419,12 @@ function be_display_posts_shortcode( $atts ) {
* @param string $author_output HTML markup to display author information.
*/
$author = apply_filters( 'display_posts_shortcode_author', ' <span class="author">by ' . get_the_author() . '</span>', $original_atts );

if ( $include_excerpt ) {

// Custom build excerpt based on shortcode parameters
if( $excerpt_length || $excerpt_more || $excerpt_more_link ) {
if ( $excerpt_length || $excerpt_more || $excerpt_more_link ) {

$length = $excerpt_length ? $excerpt_length : apply_filters( 'excerpt_length', 55 );
$more = $excerpt_more ? $excerpt_more : apply_filters( 'excerpt_more', '' );
$more = $excerpt_more_link ? ' <a href="' . get_permalink() . '">' . $more . '</a>' : ' ' . $more;
Expand All @@ -426,25 +436,25 @@ function be_display_posts_shortcode( $atts ) {
} else {
$excerpt = wp_trim_words( strip_shortcodes( $post->post_content ), $length, $more );
}


// Use default, can customize with WP filters
} else {
$excerpt = get_the_excerpt();
}
$excerpt = ' <span class="excerpt-dash">-</span> <span class="excerpt">' . $excerpt . '</span>';

$excerpt = ' <span class="excerpt-dash">-</span> <span class="excerpt">' . $excerpt . '</span>';


}

if( $include_content ) {
add_filter( 'shortcode_atts_display-posts', 'be_display_posts_off', 10, 3 );
/** This filter is documented in wp-includes/post-template.php */
$content = '<div class="' . implode( ' ', $content_class ) . '">' . apply_filters( 'the_content', get_the_content() ) . '</div>';
remove_filter( 'shortcode_atts_display-posts', 'be_display_posts_off', 10, 3 );
}

// Display categories the post is in
$category_display_text = '';
if( $category_display && is_object_in_taxonomy( get_post_type(), $category_display ) ) {
Expand All @@ -462,12 +472,12 @@ function be_display_posts_shortcode( $atts ) {
* @param string $category_display Current Category Display text
*/
$category_display_text = apply_filters( 'display_posts_shortcode_category_display', $category_display_text );
// If they pass a taxonomy that doesn't exist on this post type

// If they pass a taxonomy that doesn't exist on this post type
}elseif( $category_display ) {
$category_display = '';
}

$class = array( 'listing-item' );

/**
Expand All @@ -482,7 +492,7 @@ function be_display_posts_shortcode( $atts ) {
*/
$class = array_map( 'sanitize_html_class', apply_filters( 'display_posts_shortcode_post_class', $class, $post, $listing, $original_atts ) );
$output = '<' . $inner_wrapper . ' class="' . implode( ' ', $class ) . '">' . $image . $title . $date . $author . $category_display_text . $excerpt . $content . '</' . $inner_wrapper . '>';

/**
* Filter the HTML markup for output via the shortcode.
*
Expand All @@ -499,7 +509,7 @@ function be_display_posts_shortcode( $atts ) {
* @param string $class Space-separated list of post classes to supply to the $inner_wrapper element.
*/
$inner .= apply_filters( 'display_posts_shortcode_output', $output, $original_atts, $image, $title, $date, $excerpt, $inner_wrapper, $content, $class );

endwhile; wp_reset_postdata();

/**
Expand All @@ -521,7 +531,7 @@ function be_display_posts_shortcode( $atts ) {
* @param array $original_atts Original attributes passed to the shortcode.
*/
$close = apply_filters( 'display_posts_shortcode_wrapper_close', '</' . $wrapper . '>', $original_atts );

$return = $open;

if( $shortcode_title ) {
Expand Down Expand Up @@ -642,12 +652,12 @@ function be_sanitize_date_time( $date_time, $type = 'date', $accepts_string = fa
}

/**
* Turn off display posts shortcode
* Turn off display posts shortcode
* If display full post content, any uses of [display-posts] are disabled
*
* @param array $out, returned shortcode values
* @param array $pairs, list of supported attributes and their defaults
* @param array $atts, original shortcode attributes
* @param array $out, returned shortcode values
* @param array $pairs, list of supported attributes and their defaults
* @param array $atts, original shortcode attributes
* @return array $out
*/
function be_display_posts_off( $out, $pairs, $atts ) {
Expand Down