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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 |
|---|---|
| 246 | case 'link': |
| 247 | $return = ( !empty($data->title) ) ? '<a href="' . esc_url($url) . '">' . esc_html($data->title) . '</a>' : false; |
| 248 | break; |
| 249 | |
| 250 | default; |
| 251 | $return = false; |
| 252 | } |
| 253 | |
| 254 | // You can use this filter to add support for custom data types or to filter the result |
| 255 | return apply_filters( 'oembed_dataparse', $return, $data, $url ); |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Strip any new lines from the HTML. |
| 260 | * |
| 261 | * @access private |
| 262 | * @param string $html Existing HTML. |
| 263 | * @param object $data Data object from WP_oEmbed::data2html() |
| 264 | * @param string $url The original URL passed to oEmbed. |