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/wp-admin/includes/ -> comment.php (source)

   1  <?php
   2  /**
   3   * WordPress Comment Administration API.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   * @since 2.3.0
   8   */
   9  
  10  /**
  11   * Determine if a comment exists based on author and date.
  12   *
  13   * For best performance, use `$timezone = 'gmt'`, which queries a field that is properly indexed. The default value
  14   * for `$timezone` is 'blog' for legacy reasons.
  15   *
  16   * @since 2.0.0
  17   * @since 4.4.0 Added the `$timezone` parameter.
  18   *
  19   * @global wpdb $wpdb WordPress database abstraction object.
  20   *
  21   * @param string $comment_author Author of the comment.
  22   * @param string $comment_date   Date of the comment.
  23   * @param string $timezone       Timezone. Accepts 'blog' or 'gmt'. Default 'blog'.
  24   * @return string|null Comment post ID on success.
  25   */
  26  function comment_exists( $comment_author, $comment_date, $timezone = 'blog' ) {
  27      global $wpdb;
  28  
  29      $date_field = 'comment_date';
  30      if ( 'gmt' === $timezone ) {
  31          $date_field = 'comment_date_gmt';
  32      }
  33  
  34      return $wpdb->get_var(
  35          $wpdb->prepare(
  36              "SELECT comment_post_ID FROM $wpdb->comments
  37              WHERE comment_author = %s AND $date_field = %s",
  38              stripslashes( $comment_author ),
  39              stripslashes( $comment_date )
  40          )
  41      );
  42  }
  43  
  44  /**
  45   * Update a comment with values provided in $_POST.
  46   *
  47   * @since 2.0.0
  48   * @since 5.5.0 A return value was added.
  49   *
  50   * @return int|WP_Error The value 1 if the comment was updated, 0 if not updated.
  51   *                      A WP_Error object on failure.
  52   */
  53  function edit_comment() {
  54      if ( ! current_user_can( 'edit_comment', (int) $_POST['comment_ID'] ) ) {
  55          wp_die( __( 'Sorry, you are not allowed to edit comments on this post.' ) );
  56      }
  57  
  58      if ( isset( $_POST['newcomment_author'] ) ) {
  59          $_POST['comment_author'] = $_POST['newcomment_author'];
  60      }
  61      if ( isset( $_POST['newcomment_author_email'] ) ) {
  62          $_POST['comment_author_email'] = $_POST['newcomment_author_email'];
  63      }
  64      if ( isset( $_POST['newcomment_author_url'] ) ) {
  65          $_POST['comment_author_url'] = $_POST['newcomment_author_url'];
  66      }
  67      if ( isset( $_POST['comment_status'] ) ) {
  68          $_POST['comment_approved'] = $_POST['comment_status'];
  69      }
  70      if ( isset( $_POST['content'] ) ) {
  71          $_POST['comment_content'] = $_POST['content'];
  72      }
  73      if ( isset( $_POST['comment_ID'] ) ) {
  74          $_POST['comment_ID'] = (int) $_POST['comment_ID'];
  75      }
  76  
  77      foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) {
  78          if ( ! empty( $_POST[ 'hidden_' . $timeunit ] ) && $_POST[ 'hidden_' . $timeunit ] != $_POST[ $timeunit ] ) {
  79              $_POST['edit_date'] = '1';
  80              break;
  81          }
  82      }
  83  
  84      if ( ! empty( $_POST['edit_date'] ) ) {
  85          $aa = $_POST['aa'];
  86          $mm = $_POST['mm'];
  87          $jj = $_POST['jj'];
  88          $hh = $_POST['hh'];
  89          $mn = $_POST['mn'];
  90          $ss = $_POST['ss'];
  91          $jj = ( $jj > 31 ) ? 31 : $jj;
  92          $hh = ( $hh > 23 ) ? $hh - 24 : $hh;
  93          $mn = ( $mn > 59 ) ? $mn - 60 : $mn;
  94          $ss = ( $ss > 59 ) ? $ss - 60 : $ss;
  95  
  96          $_POST['comment_date'] = "$aa-$mm-$jj $hh:$mn:$ss";
  97      }
  98  
  99      return wp_update_comment( $_POST, true );
 100  }
 101  
 102  /**
 103   * Returns a WP_Comment object based on comment ID.
 104   *
 105   * @since 2.0.0
 106   *
 107   * @param int $id ID of comment to retrieve.
 108   * @return WP_Comment|false Comment if found. False on failure.
 109   */
 110  function get_comment_to_edit( $id ) {
 111      $comment = get_comment( $id );
 112      if ( ! $comment ) {
 113          return false;
 114      }
 115  
 116      $comment->comment_ID      = (int) $comment->comment_ID;
 117      $comment->comment_post_ID = (int) $comment->comment_post_ID;
 118  
 119      $comment->comment_content = format_to_edit( $comment->comment_content );
 120      /**
 121       * Filters the comment content before editing.
 122       *
 123       * @since 2.0.0
 124       *
 125       * @param string $comment_content Comment content.
 126       */
 127      $comment->comment_content = apply_filters( 'comment_edit_pre', $comment->comment_content );
 128  
 129      $comment->comment_author       = format_to_edit( $comment->comment_author );
 130      $comment->comment_author_email = format_to_edit( $comment->comment_author_email );
 131      $comment->comment_author_url   = format_to_edit( $comment->comment_author_url );
 132      $comment->comment_author_url   = esc_url( $comment->comment_author_url );
 133  
 134      return $comment;
 135  }
 136  
 137  /**
 138   * Get the number of pending comments on a post or posts
 139   *
 140   * @since 2.3.0
 141   *
 142   * @global wpdb $wpdb WordPress database abstraction object.
 143   *
 144   * @param int|array $post_id Either a single Post ID or an array of Post IDs
 145   * @return int|array Either a single Posts pending comments as an int or an array of ints keyed on the Post IDs
 146   */
 147  function get_pending_comments_num( $post_id ) {
 148      global $wpdb;
 149  
 150      $single = false;
 151      if ( ! is_array( $post_id ) ) {
 152          $post_id_array = (array) $post_id;
 153          $single        = true;
 154      } else {
 155          $post_id_array = $post_id;
 156      }
 157      $post_id_array = array_map( 'intval', $post_id_array );
 158      $post_id_in    = "'" . implode( "', '", $post_id_array ) . "'";
 159  
 160      $pending = $wpdb->get_results( "SELECT comment_post_ID, COUNT(comment_ID) as num_comments FROM $wpdb->comments WHERE comment_post_ID IN ( $post_id_in ) AND comment_approved = '0' GROUP BY comment_post_ID", ARRAY_A );
 161  
 162      if ( $single ) {
 163          if ( empty( $pending ) ) {
 164              return 0;
 165          } else {
 166              return absint( $pending[0]['num_comments'] );
 167          }
 168      }
 169  
 170      $pending_keyed = array();
 171  
 172      // Default to zero pending for all posts in request.
 173      foreach ( $post_id_array as $id ) {
 174          $pending_keyed[ $id ] = 0;
 175      }
 176  
 177      if ( ! empty( $pending ) ) {
 178          foreach ( $pending as $pend ) {
 179              $pending_keyed[ $pend['comment_post_ID'] ] = absint( $pend['num_comments'] );
 180          }
 181      }
 182  
 183      return $pending_keyed;
 184  }
 185  
 186  /**
 187   * Adds avatars to relevant places in admin.
 188   *
 189   * @since 2.5.0
 190   *
 191   * @param string $name User name.
 192   * @return string Avatar with the user name.
 193   */
 194  function floated_admin_avatar( $name ) {
 195      $avatar = get_avatar( get_comment(), 32, 'mystery' );
 196      return "$avatar $name";
 197  }
 198  
 199  /**
 200   * @since 2.7.0
 201   */
 202  function enqueue_comment_hotkeys_js() {
 203      if ( 'true' === get_user_option( 'comment_shortcuts' ) ) {
 204          wp_enqueue_script( 'jquery-table-hotkeys' );
 205      }
 206  }
 207  
 208  /**
 209   * Display error message at bottom of comments.
 210   *
 211   * @param string $msg Error Message. Assumed to contain HTML and be sanitized.
 212   */
 213  function comment_footer_die( $msg ) {
 214      echo "<div class='wrap'><p>$msg</p></div>";
 215      require_once ABSPATH . 'wp-admin/admin-footer.php';
 216      die;
 217  }


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