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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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140 | /** |
141 | * Filters the fields displayed in the post revision diff UI. |
142 | * |
143 | * @since 4.1.0 |
144 | * |
145 | * @param array[] $return Array of revision UI fields. Each item is an array of id, name, and diff. |
146 | * @param WP_Post $compare_from The revision post to compare from. |
147 | * @param WP_Post $compare_to The revision post to compare to. |
148 | */ |
149 | return apply_filters( 'wp_get_revision_ui_diff', $return, $compare_from, $compare_to ); |
150 |
|
151 | } |
152 |
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153 | /** |
154 | * Prepare revisions for JavaScript. |
155 | * |
156 | * @since 3.6.0 |
157 | * |
158 | * @param object|int $post The post object. Also accepts a post ID. |