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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 |
|---|---|
| 36 | |
| 37 | $seen_ids[ $post_id ] = true; |
| 38 | |
| 39 | if ( ! in_the_loop() && have_posts() ) { |
| 40 | the_post(); |
| 41 | } |
| 42 | |
| 43 | $content = get_the_content( null, false, $post_id ); |
| 44 | /** This filter is documented in wp-includes/post-template.php */ |
| 45 | $content = apply_filters( 'the_content', str_replace( ']]>', ']]>', $content ) ); |
| 46 | unset( $seen_ids[ $post_id ] ); |
| 47 | |
| 48 | if ( empty( $content ) ) { |
| 49 | return ''; |
| 50 | } |
| 51 | |
| 52 | $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => 'entry-content' ) ); |
| 53 | |
| 54 | return ( |