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do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
Line | Code |
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62 | * fields of the revision object being iterated over in a foreach statement. |
63 | * |
64 | * @since 3.6.0 |
65 | * |
66 | * @param string $compare_from->$field The current revision field to compare to or from. |
67 | * @param string $field The current revision field. |
68 | * @param WP_Post $compare_from The revision post object to compare to or from. |
69 | * @param string null The context of whether the current revision is the old or the new one. Values are 'to' or 'from'. |
70 | */ |
71 | $content_from = $compare_from ? apply_filters( "_wp_post_revision_field_$field", $compare_from->$field, $field, $compare_from, 'from' ) : ''; |
72 |
|
73 | /** This filter is documented in wp-admin/includes/revision.php */ |
74 | $content_to = apply_filters( "_wp_post_revision_field_$field", $compare_to->$field, $field, $compare_to, 'to' ); |
75 |
|
76 | $diff = wp_text_diff( $content_from, $content_to, array( 'show_split_view' => true ) ); |
77 |
|
78 | if ( ! $diff && 'post_title' === $field ) { |
79 | // It's a better user experience to still show the Title, even if it didn't change. |
80 | // No, you didn't see this. |
81 | $diff = '<table class="diff"><colgroup><col class="content diffsplit left"><col class="content diffsplit middle"><col class="content diffsplit right"></colgroup><tbody><tr>'; |
82 | $diff .= '<td>' . esc_html( $compare_from->post_title ) . '</td><td></td><td>' . esc_html( $compare_to->post_title ) . '</td>'; |
83 | $diff .= '</tr></tbody>'; |