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archives.php
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archives.php
116 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Archives shortcode |
| 4 | * |
| 5 | * @author bubel & nickmomrik |
| 6 | * [archives limit=10] |
| 7 | * |
| 8 | * @package automattic/jetpack |
| 9 | */ |
| 10 | |
| 11 | if ( ! defined( 'ABSPATH' ) ) { |
| 12 | exit( 0 ); |
| 13 | } |
| 14 | |
| 15 | add_shortcode( 'archives', 'archives_shortcode' ); |
| 16 | |
| 17 | /** |
| 18 | * Display Archives shortcode. |
| 19 | * |
| 20 | * @param array $atts Shortcode attributes. |
| 21 | */ |
| 22 | function archives_shortcode( $atts ) { |
| 23 | if ( is_feed() ) { |
| 24 | return '[archives]'; |
| 25 | } |
| 26 | |
| 27 | global $allowedposttags; |
| 28 | |
| 29 | $default_atts = array( |
| 30 | 'type' => 'postbypost', |
| 31 | 'limit' => '', |
| 32 | 'format' => 'html', |
| 33 | 'showcount' => false, |
| 34 | 'before' => '', |
| 35 | 'after' => '', |
| 36 | 'order' => 'desc', |
| 37 | ); |
| 38 | |
| 39 | $attr = shortcode_atts( $default_atts, $atts, 'archives' ); |
| 40 | |
| 41 | if ( ! in_array( $attr['type'], array( 'yearly', 'monthly', 'daily', 'weekly', 'postbypost' ), true ) ) { |
| 42 | $attr['type'] = 'postbypost'; |
| 43 | } |
| 44 | |
| 45 | if ( ! in_array( $attr['format'], array( 'html', 'option', 'custom' ), true ) ) { |
| 46 | $attr['format'] = 'html'; |
| 47 | } |
| 48 | |
| 49 | $limit = (int) $attr['limit']; |
| 50 | // A Limit of 0 makes no sense so revert back to the default. |
| 51 | if ( empty( $limit ) ) { |
| 52 | $limit = ''; |
| 53 | } |
| 54 | |
| 55 | /* |
| 56 | * The `postbypost` type (also the default) lists one entry per published |
| 57 | * post. Left unbounded, wp_get_archives() materializes the entire post table |
| 58 | * in a single request, which can exhaust PHP memory and fatal on large sites. |
| 59 | * Apply a sane, filterable default cap when no explicit limit was supplied. |
| 60 | */ |
| 61 | if ( 'postbypost' === $attr['type'] && '' === $limit ) { |
| 62 | /** |
| 63 | * Filter the default number of entries listed by the [archives] shortcode |
| 64 | * when using the unbounded `postbypost` type with no explicit `limit`. |
| 65 | * |
| 66 | * Set to 0 to restore the previous (unlimited) behavior, though this is |
| 67 | * not recommended on sites with a large number of posts. |
| 68 | * |
| 69 | * @module shortcodes |
| 70 | * |
| 71 | * @since 16.0 |
| 72 | * |
| 73 | * @param int $limit Default maximum number of posts to list. Default 100. |
| 74 | */ |
| 75 | $default_limit = (int) apply_filters( 'jetpack_archives_shortcode_default_limit', 100 ); |
| 76 | |
| 77 | if ( $default_limit > 0 ) { |
| 78 | $limit = $default_limit; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | $showcount = false !== $attr['showcount'] && 'false' !== $attr['showcount']; |
| 83 | $before = wp_kses( $attr['before'], $allowedposttags ); |
| 84 | $after = wp_kses( $attr['after'], $allowedposttags ); |
| 85 | |
| 86 | // Get the archives. |
| 87 | $archives = wp_get_archives( |
| 88 | array( |
| 89 | 'type' => $attr['type'], |
| 90 | 'limit' => $limit, |
| 91 | 'format' => $attr['format'], |
| 92 | 'echo' => false, |
| 93 | 'show_post_count' => $showcount, |
| 94 | 'before' => $before, |
| 95 | 'after' => $after, |
| 96 | ) |
| 97 | ); |
| 98 | |
| 99 | if ( 'asc' === $attr['order'] ) { |
| 100 | $archives = implode( "\n", array_reverse( explode( "\n", $archives ) ) ); |
| 101 | } |
| 102 | |
| 103 | // Check to see if there are any archives. |
| 104 | if ( empty( $archives ) ) { |
| 105 | $archives = '<p>' . __( 'Your blog does not currently have any published posts.', 'jetpack' ) . '</p>'; |
| 106 | } elseif ( 'option' === $attr['format'] ) { |
| 107 | $is_amp = class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request(); |
| 108 | $change_attribute = $is_amp ? 'on="change:AMP.navigateTo(url=event.value)"' : 'onchange="document.location.href=this.options[this.selectedIndex].value;"'; |
| 109 | $archives = '<select name="archive-dropdown" ' . $change_attribute . '><option value="' . get_permalink() . '">--</option>' . $archives . '</select>'; |
| 110 | } elseif ( 'html' === $attr['format'] ) { |
| 111 | $archives = '<ul>' . $archives . '</ul>'; |
| 112 | } |
| 113 | |
| 114 | return $archives; |
| 115 | } |
| 116 |