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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 | if ( ! empty( $data->title ) && is_string( $data->title ) ) |
| 286 | $return = '<a href="' . esc_url( $url ) . '">' . esc_html( $data->title ) . '</a>'; |
| 287 | break; |
| 288 | |
| 289 | default: |
| 290 | $return = false; |
| 291 | } |
| 292 | |
| 293 | // You can use this filter to add support for custom data types or to filter the result |
| 294 | return apply_filters( 'oembed_dataparse', $return, $data, $url ); |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * Strip any new lines from the HTML. |
| 299 | * |
| 300 | * @access private |
| 301 | * @param string $html Existing HTML. |
| 302 | * @param object $data Data object from WP_oEmbed::data2html() |
| 303 | * @param string $url The original URL passed to oEmbed. |