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Description

Outputs a single row of public meta data in the Custom Fields meta box.

Usage

$string = _list_meta_row( $entry, $count );

Parameters

$entry

( array ) required – An array of meta data keyed on 'meta_key' and 'meta_value'.

$count

( int ) required – Reference to the row number.

Returns

string A single row of public meta data.

Source

File name: wordpress/wp-admin/includes/template.php
Lines:

function _list_meta_row( $entry, &$count ) {
  static $update_nonce = '';

  if ( is_protected_meta( $entry['meta_key'], 'post' ) ) {
    return '';
  }

  if ( ! $update_nonce ) {
    $update_nonce = wp_create_nonce( 'add-meta' );
  }

  $r = '';
  ++$count;

  if ( is_serialized( $entry['meta_value'] ) ) {
    if ( is_serialized_string( $entry['meta_value'] ) ) {
      // This is a serialized string, so we should display it.
      $entry['meta_value'] = maybe_unserialize( $entry['meta_value'] );
    } else {
      // This is a serialized array/object so we should NOT display it.
      --$count;
      return '';
    }
  }

  $entry['meta_key']   = esc_attr( $entry['meta_key'] );
  $entry['meta_value'] = esc_textarea( $entry['meta_value'] ); // Using a <textarea />.
  $entry['meta_id']    = (int) $entry['meta_id'];

  $delete_nonce = wp_create_nonce( 'delete-meta_' . $entry['meta_id'] );

  $r .= "\n\t<tr id='meta-{$entry['meta_id']}'>";
  $r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta-{$entry['meta_id']}-key'>" .
    /* translators: Hidden accessibility text. */
    __( 'Key' ) .
  "</label><input name='meta[{$entry['meta_id']}][key]' id='meta-{$entry['meta_id']}-key' type='text' size='20' value='{$entry['meta_key']}' />";

  $r .= "\n\t\t<div class='submit'>";
  $r .= get_submit_button( __( 'Delete' ), 'deletemeta small', "deletemeta[{$entry['meta_id']}]", false, array( 'data-wp-lists' => "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce" ) );
  $r .= "\n\t\t";
  $r .= get_submit_button( __( 'Update' ), 'updatemeta small', "meta-{$entry['meta_id']}-submit", false, array( 'data-wp-lists' => "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce" ) );
  $r .= '</div>';
  $r .= wp_nonce_field( 'change-meta', '_ajax_nonce', false, false );
  $r .= '</td>';

  $r .= "\n\t\t<td><label class='screen-reader-text' for='meta-{$entry['meta_id']}-value'>" .
    /* translators: Hidden accessibility text. */
    __( 'Value' ) .
  "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta-{$entry['meta_id']}-value' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";
  return $r;
}
 

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