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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 |
---|---|
2963 | /** |
2964 | * Filters whether a post deletion should take place. |
2965 | * |
2966 | * @since 4.4.0 |
2967 | * |
2968 | * @param bool|null $delete Whether to go forward with deletion. |
2969 | * @param WP_Post $post Post object. |
2970 | * @param bool $force_delete Whether to bypass the Trash. |
2971 | */ |
2972 | $check = apply_filters( 'pre_delete_post', null, $post, $force_delete ); |
2973 | if ( null !== $check ) { |
2974 | return $check; |
2975 | } |
2976 |
|
2977 | /** |
2978 | * Fires before a post is deleted, at the start of wp_delete_post(). |
2979 | * |
2980 | * @since 3.2.0 |
2981 | * |