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March 8, 2017 16:26
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WordPress - Last posts with ajax.
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| <?php | |
| function cs_last_posts_json() { | |
| $json = array(); | |
| $last_posts = get_posts( array( | |
| 'posts_per_page' => 5, | |
| 'post_type' => 'post' | |
| ) ); | |
| foreach ( $last_posts as $post ) { | |
| $id = $post->ID; | |
| $json[] = array( | |
| 'title' => get_the_title( $id ), | |
| 'link' => get_permalink( $id ), | |
| 'excerpt' => wp_trim_words( strip_shortcodes( $post->post_content ), 30 ), | |
| 'image' => wp_get_attachment_thumb_url( get_post_thumbnail_id( $id ) ) | |
| ); | |
| } | |
| if ( isset( $_REQUEST['callback'] ) ) { | |
| header( "Content-Type: application/javascript" ); | |
| echo sanitize_text_field( $_REQUEST['callback'] ) . '(' . json_encode( $json ) . ')'; | |
| } | |
| die(); | |
| } | |
| add_action( 'wp_ajax_last_posts_json', 'cs_last_posts_json' ); | |
| add_action( 'wp_ajax_nopriv_last_posts_json', 'cs_last_posts_json' ); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Feed</title> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <script> | |
| jQuery(document).ready(function($) { | |
| $.ajax({ | |
| type: 'GET', | |
| url: 'http://your-site.com/wp-admin/admin-ajax.php', | |
| dataType: 'jsonp', | |
| crossDomain: true, | |
| contentType: "application/json", | |
| data: { | |
| action: 'last_posts_json' | |
| }, | |
| success: function(items) { | |
| console.log(items); | |
| html = ''; | |
| $.each(items, function(i, item) { | |
| if (item.image) { | |
| image = '<img src="' + item.image + '" alt="" />'; | |
| } else { | |
| image = '' | |
| } | |
| html += '<li><a href="' + item.link + '">' + item.title + '</a><br />' + image + item.excerpt + '</li>'; | |
| }); | |
| $('body').append('<ul>' + html + '</ul>'); | |
| }, | |
| error: function (XMLHttpRequest, textStatus, errorThrown) { | |
| console.log(XMLHttpRequest); | |
| console.log(textStatus); | |
| console.log(errorThrown); | |
| } | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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