100 lines
3.3 KiB
PHP
100 lines
3.3 KiB
PHP
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<?php
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function wp_get_revision_ui_diff( $post, $compare_from, $compare_to ) {
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if ( ! $post = get_post( $post ) )
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return false;
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if ( $compare_from ) {
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if ( ! $compare_from = get_post( $compare_from ) )
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return false;
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} else {
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// If we're dealing with the first revision...
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$compare_from = false;
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}
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if ( ! $compare_to = get_post( $compare_to ) )
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return false;
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// If comparing revisions, make sure we're dealing with the right post parent.
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if ( $compare_from && $compare_from->post_parent !== $post->ID )
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return false;
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if ( $compare_to->post_parent !== $post->ID )
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return false;
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if ( $compare_from && strtotime( $compare_from->post_date_gmt ) > strtotime( $compare_to->post_date_gmt ) ) {
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$temp = $compare_from;
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$compare_from = $compare_to;
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$compare_to = $temp;
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}
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$return = array();
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foreach ( _wp_post_revision_fields() as $field => $name ) {
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$content_from = $compare_from ? apply_filters( "_wp_post_revision_field_$field", $compare_from->$field, $field, $compare_from, 'left' ) : '';
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$content_to = apply_filters( "_wp_post_revision_field_$field", $compare_to->$field, $field, $compare_to, 'right' );
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$diff = wp_text_diff( $content_from, $content_to, array( 'show_split_view' => true ) );
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if ( ! $diff && 'post_title' === $field ) {
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// It's a better user experience to still show the Title, even if it didn't change.
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// No, you didn't see this.
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$diff = "<table class='diff'><col class='ltype' /><col class='content' /><col class='ltype' /><col class='content' /><tbody><tr>";
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$diff .= '<td>' . esc_html( $compare_from->post_title ) . '</td><td></td><td>' . esc_html( $compare_to->post_title ) . '</td>';
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$diff .= '</tr></tbody>';
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$diff .= '</table>';
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}
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if ( $diff ) {
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$return[] = array(
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'id' => $field,
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'name' => $name,
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'diff' => $diff,
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);
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}
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}
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return $return;
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}
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function wp_prepare_revisions_for_js( $post, $selected_revision_id ) {
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$post = get_post( $post );
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$revisions = array();
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$current = current_time( 'timestamp' );
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$revisions = wp_get_post_revisions( $post->ID );
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cache_users( wp_list_pluck( $revisions, 'post_author' ) );
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foreach ( $revisions as $revision ) {
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$modified_gmt = strtotime( $revision->post_modified_gmt );
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$restore_link = wp_nonce_url(
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add_query_arg(
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array( 'revision' => $revision->ID,
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'action' => 'restore' ),
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admin_url( 'revision.php' )
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),
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"restore-post_{$revision->ID}"
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);
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$revisions[ $revision->ID ] = array(
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'id' => $revision->ID,
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'title' => get_the_title( $post->ID ),
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'author' => array(
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'id' => (int) $revision->post_author,
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'avatar' => get_avatar( $revision->post_author, 24 ),
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'name' => get_the_author_meta( 'display_name', $revision->post_author ),
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),
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'date' => date_i18n( __( 'M j, Y @ G:i' ), $modified_gmt ),
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'dateShort' => date_i18n( _x( 'j M @ G:i', 'revision date short format' ), $modified_gmt ),
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'timeAgo' => human_time_diff( $modified_gmt, $current ),
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'autosave' => wp_is_post_autosave( $revision ),
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'current' => $revision->post_modified_gmt === $post->post_modified_gmt,
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'restoreUrl' => urldecode( $restore_link ),
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);
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}
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return array(
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'postId' => $post->ID,
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'nonce' => wp_create_nonce( 'revisions-ajax-nonce' ),
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'revisionData' => array_values( $revisions ),
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'selectedRevision' => $selected_revision_id,
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);
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}
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