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


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