diff --git a/src/wp-admin/includes/class-wp-posts-list-table.php b/src/wp-admin/includes/class-wp-posts-list-table.php
index cca5a1e..ebe173f 100644
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b
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class WP_Posts_List_Table extends WP_List_Table { |
137 | 137 | * @return string The value of 'orderby'. |
138 | 138 | */ |
139 | 139 | protected function get_orderby() { |
140 | | return strtolower( get_query_var( 'orderby' ) ); |
| 140 | $orderby = get_query_var( 'orderby' ); |
| 141 | |
| 142 | if ( is_string( $orderby ) ){ |
| 143 | return strtolower( $orderby ); |
| 144 | } else { |
| 145 | $keys = array_keys( $orderby ); |
| 146 | // Checks if is a Numeric Array or Associative |
| 147 | if ( $keys !== range( 0, count( $orderby ) - 1 ) ){ |
| 148 | return array_map( 'strtolower', $keys ); |
| 149 | } else { |
| 150 | return array_map( 'strtolower', $orderby ); |
| 151 | } |
| 152 | } |
141 | 153 | } |
142 | 154 | |
143 | 155 | /** |
… |
… |
class WP_Posts_List_Table extends WP_List_Table { |
149 | 161 | * @return string The value of 'order'. |
150 | 162 | */ |
151 | 163 | protected function get_order() { |
152 | | return strtolower( get_query_var( 'order' ) ); |
| 164 | $orderby = get_query_var( 'orderby' ); |
| 165 | if ( is_string( $orderby ) ){ |
| 166 | return strtolower( get_query_var( 'order' ) ); |
| 167 | } else { |
| 168 | // Checks if is a Numeric Array or Associative |
| 169 | if ( array_keys( $orderby ) !== range( 0, count( $orderby ) - 1 ) ){ |
| 170 | return array_map( 'strtolower', array_values( $orderby ) ); |
| 171 | } else { |
| 172 | return strtolower( get_query_var( 'order' ) ); |
| 173 | } |
| 174 | } |
153 | 175 | } |
154 | 176 | |
155 | 177 | /** |