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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 |
---|---|
240 | */ |
241 | function parse_blocks( $content ) { |
242 | /** |
243 | * Filter to allow plugins to replace the server-side block parser |
244 | * |
245 | * @since 5.0.0 |
246 | * |
247 | * @param string $parser_class Name of block parser class. |
248 | */ |
249 | $parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' ); |
250 |
|
251 | $parser = new $parser_class(); |
252 | return $parser->parse( $content ); |
253 | } |
254 |
|
255 | /** |
256 | * Parses dynamic blocks out of `post_content` and re-renders them. |
257 | * |
258 | * @since 5.0.0 |