1 | <?php |
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2 | class Add_Last_Modified_Date_To_Post_Columns { |
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3 | |
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4 | function __construct() { |
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5 | add_filter( 'manage_posts_columns', array( $this, 'add_column' ), 10, 2 ); |
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6 | add_filter( 'manage_edit-post_sortable_columns', array( $this, 'add_sortable_column' ), 10, 2 ); |
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7 | add_action( 'manage_posts_custom_column', array( $this, 'display_column' ), 10, 2 ); |
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8 | add_action( 'admin_enqueue_scripts', array( $this, 'add_inline_style' ) ); |
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9 | } |
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10 | |
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11 | function add_column( $posts_columns, $post_type ) { |
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12 | $posts_columns['modified'] = __( 'Last Modified' ); |
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13 | |
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14 | return $posts_columns; |
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15 | } |
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16 | |
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17 | function add_sortable_column( $sortable_columns ) { |
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18 | $sortable_columns['modified'] = array( 'modified', true ); |
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19 | |
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20 | return $sortable_columns; |
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21 | } |
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22 | |
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23 | function display_column( $column_name, $post_id ) { |
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24 | global $mode; |
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25 | |
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26 | if ( 'modified' !== $column_name ) { |
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27 | return; |
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28 | } |
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29 | |
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30 | $post = get_post( $post_id ); |
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31 | |
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32 | if ( '0000-00-00 00:00:00' == $post->post_date ) { |
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33 | $t_time = $h_time = __( 'Unpublished' ); |
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34 | } else { |
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35 | $t_time = get_the_modified_time( __( 'Y/m/d g:i:s A' ) ); |
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36 | $m_time = $post->post_modified; |
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37 | $time = get_post_modified_time( 'G', true, $post ); |
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38 | |
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39 | $time_diff = time() - $time; |
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40 | |
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41 | if ( $time_diff > 0 && $time_diff < DAY_IN_SECONDS ) { |
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42 | $h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) ); |
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43 | } else { |
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44 | $h_time = mysql2date( __( 'Y/m/d' ), $m_time ); |
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45 | } |
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46 | } |
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47 | |
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48 | if ( 'excerpt' === $mode ) { |
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49 | echo $t_time; |
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50 | } else { |
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51 | echo '<abbr title="' . $t_time . '">' . $h_time . '</abbr>'; |
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52 | } |
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53 | } |
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54 | |
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55 | function add_inline_style( $hook_suffix ) { |
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56 | if ( 'edit.php' !== $hook_suffix ) { |
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57 | return; |
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58 | } |
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59 | |
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60 | wp_add_inline_style( 'wp-admin', '.fixed .column-modified { width: 10% }' ); |
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61 | } |
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62 | |
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63 | } |
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64 | |
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65 | new Add_Last_Modified_Date_To_Post_Columns; |
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66 | ?> |
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