| 1 | diff --git a/src/wp-admin/includes/export.php b/src/wp-admin/includes/export.php
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| 2 | index 6d01a2c..b200c0d 100644
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| 3 | --- a/src/wp-admin/includes/export.php
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| 4 | +++ b/src/wp-admin/includes/export.php
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| 5 | @@ -42,6 +42,7 @@ function export_wp( $args = array() ) {
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| 6 | */
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| 7 | do_action( 'export_wp', $args );
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| 8 |
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| 9 | + // Set export file name
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| 10 | $sitename = sanitize_key( get_bloginfo( 'name' ) );
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| 11 | if ( ! empty( $sitename ) ) {
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| 12 | $sitename .= '.';
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| 13 | @@ -59,48 +60,98 @@ function export_wp( $args = array() ) {
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| 14 | */
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| 15 | $filename = apply_filters( 'export_wp_filename', $wp_filename, $sitename, $date );
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| 16 |
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| 17 | + // Set content headers
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| 18 | header( 'Content-Description: File Transfer' );
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| 19 | header( 'Content-Disposition: attachment; filename=' . $filename );
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| 20 | header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true );
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| 21 |
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| 22 | - if ( 'all' != $args['content'] && post_type_exists( $args['content'] ) ) {
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| 23 | - $ptype = get_post_type_object( $args['content'] );
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| 24 | - if ( ! $ptype->can_export )
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| 25 | - $args['content'] = 'post';
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| 26 | + $query_args = array(
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| 27 | + 'post_status' => 'any',
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| 28 | + 'posts_per_page' => -1
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| 29 | + );
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| 30 |
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| 31 | - $where = $wpdb->prepare( "{$wpdb->posts}.post_type = %s", $args['content'] );
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| 32 | + if ( 'all' != $args['content'] ) {
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| 33 | + $post_types = (array) $args['content'];
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| 34 | +
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| 35 | + $query_args['post_type'] = array();
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| 36 | +
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| 37 | + foreach( $post_types as $post_type ) {
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| 38 | + $post_type_object = get_post_type_object( $post_type );
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| 39 | +
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| 40 | + if ( $post_type_object && $post_type_object->can_export ) {
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| 41 | + $query_args['post_type'][] = $post_type;
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| 42 | + }
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| 43 | + }
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| 44 | +
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| 45 | + if ( empty( $query_args['post_type'] ) ) {
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| 46 | + $query_args['post_type'] = 'post';
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| 47 | + }
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| 48 | } else {
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| 49 | - $post_types = get_post_types( array( 'can_export' => true ) );
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| 50 | - $esses = array_fill( 0, count($post_types), '%s' );
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| 51 | - $where = $wpdb->prepare( "{$wpdb->posts}.post_type IN (" . implode( ',', $esses ) . ')', $post_types );
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| 52 | + $query_args['post_type'] = array_values( get_post_types( array( 'can_export' => true ) ) );
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| 53 | }
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| 54 |
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| 55 | - if ( $args['status'] && ( 'post' == $args['content'] || 'page' == $args['content'] ) )
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| 56 | - $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_status = %s", $args['status'] );
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| 57 | - else
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| 58 | - $where .= " AND {$wpdb->posts}.post_status != 'auto-draft'";
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| 59 | + if ( $args['status'] && ( 'post' == $args['content'] || 'page' == $args['content'] ) ) {
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| 60 | + $query_args['post_status'] = $args['status'];
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| 61 | + }
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| 62 |
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| 63 | - $join = '';
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| 64 | if ( $args['category'] && 'post' == $args['content'] ) {
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| 65 | if ( $term = term_exists( $args['category'], 'category' ) ) {
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| 66 | - $join = "INNER JOIN {$wpdb->term_relationships} ON ({$wpdb->posts}.ID = {$wpdb->term_relationships}.object_id)";
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| 67 | - $where .= $wpdb->prepare( " AND {$wpdb->term_relationships}.term_taxonomy_id = %d", $term['term_taxonomy_id'] );
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| 68 | + $query_args['tax_query'] = array(
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| 69 | + array(
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| 70 | + 'taxonomy' => 'category',
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| 71 | + 'terms' => $term->term_id,
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| 72 | + 'include_children' => false
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| 73 | + )
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| 74 | + );
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| 75 | }
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| 76 | }
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| 77 |
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| 78 | - if ( 'post' == $args['content'] || 'page' == $args['content'] || 'attachment' == $args['content'] ) {
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| 79 | + if ( 'post' == $args['content'] || 'page' == $args['content'] ) {
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| 80 | if ( $args['author'] )
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| 81 | - $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_author = %d", $args['author'] );
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| 82 | + $query_args['author'] = (int) $args['author'];
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| 83 | +
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| 84 | + $date_query = array();
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| 85 | +
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| 86 |
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| 87 | if ( $args['start_date'] )
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| 88 | - $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date >= %s", date( 'Y-m-d', strtotime($args['start_date']) ) );
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| 89 | + $date_query[]['after'] = $args['start_date'];
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| 90 |
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| 91 | - if ( $args['end_date'] )
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| 92 | - $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date < %s", date( 'Y-m-d', strtotime('+1 month', strtotime($args['end_date'])) ) );
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| 93 | + if ( $args['end_date'] ) {
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| 94 | + $date_query[]['before'] = '@' . strtotime( '+1 month', strtotime( $args['end_date'] ) );
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| 95 | + }
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| 96 | +
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| 97 | +
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| 98 | + if ( ! empty( $date_query ) ) {
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| 99 | + $query_args['date_query'] = $date_query;
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| 100 | + }
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| 101 | }
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| 102 |
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| 103 | - // Grab a snapshot of post IDs, just in case it changes during the export.
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| 104 | - $post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} $join WHERE $where" );
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| 105 | + /**
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| 106 | + * Filter WP_Query arguments for which posts to export.
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| 107 | + *
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| 108 | + * @todo Update since
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| 109 | + * @since 4.X
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| 110 | + *
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| 111 | + * @param array $query_args An array of WP_Query arguments.
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| 112 | + * @param array $args An array of export arguments.
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| 113 | + */
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| 114 | + $query_args = apply_filters( 'export_wp_query_args', $query_args, $args );
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| 115 | +
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| 116 | + $query_args['fields'] = 'ids';
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| 117 | +
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| 118 | + $post_ids = get_posts( $query_args );
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| 119 | +
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| 120 | + /**
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| 121 | + * Filter Post IDs to be exported.
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| 122 | + *
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| 123 | + * @todo Update since
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| 124 | + * @since 4.X
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| 125 | + *
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| 126 | + * @param array $post_ids An array of Post IDs to export.
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| 127 | + * @param array $query_args An array of WP_Query arguments.
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| 128 | + * @param array $args An array of export arguments.
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| 129 | + */
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| 130 | + $post_ids = apply_filters( 'export_wp_post_ids', $post_ids, $query_args, $args );
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| 131 |
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| 132 | /*
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| 133 | * Get the requested terms ready, empty unless posts filtered by category
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| 134 | @@ -111,29 +162,36 @@ function export_wp( $args = array() ) {
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| 135 | $cat = get_term( $term['term_id'], 'category' );
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| 136 | $cats = array( $cat->term_id => $cat );
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| 137 | unset( $term, $cat );
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| 138 | - } elseif ( 'all' == $args['content'] ) {
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| 139 | + } else if ( 'all' == $args['content'] ) {
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| 140 | $categories = (array) get_categories( array( 'get' => 'all' ) );
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| 141 | $tags = (array) get_tags( array( 'get' => 'all' ) );
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| 142 |
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| 143 | $custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );
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| 144 | $custom_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) );
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| 145 |
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| 146 | - // Put categories in order with no child going before its parent.
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| 147 | - while ( $cat = array_shift( $categories ) ) {
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| 148 | - if ( $cat->parent == 0 || isset( $cats[$cat->parent] ) )
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| 149 | - $cats[$cat->term_id] = $cat;
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| 150 | - else
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| 151 | - $categories[] = $cat;
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| 152 | + // Put categories in order with no child going before its parent
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| 153 | + if( $categories ) {
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| 154 | + while ( $cat = array_shift( $categories ) ) {
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| 155 | + if ( $cat->parent == 0 || isset( $cats[$cat->parent] ) ) {
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| 156 | + $cats[$cat->term_id] = $cat;
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| 157 | + } else {
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| 158 | + $categories[] = $cat;
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| 159 | + }
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| 160 | + }
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| 161 | }
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| 162 |
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| 163 | - // Put terms in order with no child going before its parent.
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| 164 | - while ( $t = array_shift( $custom_terms ) ) {
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| 165 | - if ( $t->parent == 0 || isset( $terms[$t->parent] ) )
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| 166 | - $terms[$t->term_id] = $t;
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| 167 | - else
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| 168 | - $custom_terms[] = $t;
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| 169 | + // Put terms in order with no child going before its parent
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| 170 | + if( $custom_terms ) {
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| 171 | + while ( $t = array_shift( $custom_terms ) ) {
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| 172 | + if ( $t->parent == 0 || isset( $terms[$t->parent] ) ) {
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| 173 | + $terms[$t->term_id] = $t;
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| 174 | + } else {
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| 175 | + $custom_terms[] = $t;
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| 176 | + }
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| 177 | + }
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| 178 | }
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| 179 |
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| 180 | + // Clean up
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| 181 | unset( $categories, $custom_taxonomies, $custom_terms );
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| 182 | }
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| 183 |
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| 184 | @@ -401,24 +459,27 @@ function export_wp( $args = array() ) {
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| 185 | do_action( 'rss2_head' );
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| 186 | ?>
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| 187 |
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| 188 | -<?php if ( $post_ids ) {
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| 189 | - /**
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| 190 | - * @global WP_Query $wp_query
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| 191 | - */
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| 192 | - global $wp_query;
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| 193 | -
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| 194 | - // Fake being in the loop.
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| 195 | - $wp_query->in_the_loop = true;
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| 196 | -
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| 197 | - // Fetch 20 posts at a time rather than loading the entire table into memory.
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| 198 | - while ( $next_posts = array_splice( $post_ids, 0, 20 ) ) {
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| 199 | - $where = 'WHERE ID IN (' . join( ',', $next_posts ) . ')';
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| 200 | - $posts = $wpdb->get_results( "SELECT * FROM {$wpdb->posts} $where" );
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| 201 | -
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| 202 | - // Begin Loop.
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| 203 | - foreach ( $posts as $post ) {
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| 204 | - setup_postdata( $post );
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| 205 | - $is_sticky = is_sticky( $post->ID ) ? 1 : 0;
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| 206 | + <?php
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| 207 | + if ( $post_ids ) {
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| 208 | + $posts_per_page = 20;
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| 209 | +
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| 210 | + $wp_query_args = array(
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| 211 | + 'post_type' => 'any',
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| 212 | + 'post_status' => 'any',
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| 213 | + 'posts_per_page' => $posts_per_page,
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| 214 | + 'post__in' => array_slice( $post_ids, 0, $posts_per_page )
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| 215 | + );
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| 216 | +
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| 217 | + $query = new WP_Query( $wp_query_args );
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| 218 | +
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| 219 | + $page = 0;
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| 220 | +
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| 221 | + // Paginate posts 20 at a time
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| 222 | + while ( $query->have_posts() ) {
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| 223 | + // Begin Loop.
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| 224 | + while ( $query->have_posts() ) {
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| 225 | + $query->the_post();
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| 226 | + $is_sticky = is_sticky( $post->ID ) ? 1 : 0;
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| 227 | ?>
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| 228 | <item>
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| 229 | <title><?php
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| 230 | @@ -532,9 +593,17 @@ function export_wp( $args = array() ) {
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| 231 | <?php endforeach; ?>
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| 232 | </item>
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| 233 | <?php
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| 234 | + }
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| 235 | +
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| 236 | + // Fetch next set of posts
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| 237 | + $wp_query_args['post__in'] = array_slice( $post_ids, ( $page * $posts_per_page ), $posts_per_page );
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| 238 | +
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| 239 | + $query->query( $wp_query_args );
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| 240 | +
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| 241 | + $page++;
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| 242 | + }
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| 243 | }
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| 244 | - }
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| 245 | -} ?>
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| 246 | +?>
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| 247 | </channel>
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| 248 | </rss>
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| 249 | <?php
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