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The best way to understand what a hook does is to look at where it occurs in the source code.
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.
Line | Code |
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120 | /** |
121 | * Filter the fields displayed in the post revision diff UI. |
122 | * |
123 | * @since 4.1.0 |
124 | * |
125 | * @param array $return Revision UI fields. Each item is an array of id, name and diff. |
126 | * @param WP_Post $compare_from The revision post to compare from. |
127 | * @param WP_Post $compare_to The revision post to compare to. |
128 | */ |
129 | return apply_filters( 'wp_get_revision_ui_diff', $return, $compare_from, $compare_to ); |
130 |
|
131 | } |
132 |
|
133 | /** |
134 | * Prepare revisions for JavaScript. |
135 | * |
136 | * @since 3.6.0 |
137 | * |
138 | * @param object|int $post The post object. Also accepts a post ID. |