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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 |
---|---|
2287 | * Fires right before the meta boxes are rendered. |
2288 | * |
2289 | * This allows for the filtering of meta box data, that should already be |
2290 | * present by this point. Do not use as a means of adding meta box data. |
2291 | * |
2292 | * @since 5.0.0 |
2293 | * |
2294 | * @param array $wp_meta_boxes Global meta box state. |
2295 | */ |
2296 | $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); |
2297 | $locations = array( 'side', 'normal', 'advanced' ); |
2298 | $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); |
2299 |
|
2300 | // Render meta boxes. |
2301 | ?> |
2302 | <form class="metabox-base-form"> |
2303 | <?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?> |
2304 | </form> |
2305 | <form id="toggle-custom-fields-form" method="post" action="<?php echo esc_attr( admin_url( 'post.php' ) ); ?>"> |