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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 |
---|---|
285 | */ |
286 | function parse_blocks( $content ) { |
287 | /** |
288 | * Filter to allow plugins to replace the server-side block parser |
289 | * |
290 | * @since 5.0.0 |
291 | * |
292 | * @param string $parser_class Name of block parser class. |
293 | */ |
294 | $parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' ); |
295 |
|
296 | $parser = new $parser_class(); |
297 | return $parser->parse( $content ); |
298 | } |
299 |
|
300 | /** |
301 | * Parses dynamic blocks out of `post_content` and re-renders them. |
302 | * |
303 | * @since 5.0.0 |