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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 |
|---|---|
| 3983 | $filter_image_removed = remove_filter( 'the_content', 'wp_filter_content_tags', 12 ); |
| 3984 | |
| 3985 | /* |
| 3986 | * Temporarily unhook do_blocks() since excerpt_remove_blocks( $text ) |
| 3987 | * handles block rendering needed for excerpt. |
| 3988 | */ |
| 3989 | $filter_block_removed = remove_filter( 'the_content', 'do_blocks', 9 ); |
| 3990 | |
| 3991 | /** This filter is documented in wp-includes/post-template.php */ |
| 3992 | $text = apply_filters( 'the_content', $text ); |
| 3993 | $text = str_replace( ']]>', ']]>', $text ); |
| 3994 | |
| 3995 | // Restore the original filter if removed. |
| 3996 | if ( $filter_block_removed ) { |
| 3997 | add_filter( 'the_content', 'do_blocks', 9 ); |
| 3998 | } |
| 3999 | |
| 4000 | /* |
| 4001 | * Only restore the filter callback if it was removed above. The logic |