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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 |
|---|---|
| 278 | /** |
| 279 | * Filter the HTML returned by the oEmbed provider. |
| 280 | * |
| 281 | * @since 2.9.0 |
| 282 | * |
| 283 | * @param string $data The returned oEmbed HTML. |
| 284 | * @param string $url URL of the content to be embedded. |
| 285 | * @param array $args Optional arguments, usually passed from a shortcode. |
| 286 | */ |
| 287 | return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args ); |
| 288 | } |
| 289 | |
| 290 | /** |
| 291 | * Attempts to find oEmbed provider discovery <link> tags at the given URL. |
| 292 | * |
| 293 | * @param string $url The URL that should be inspected for discovery <link> tags. |
| 294 | * @return bool|string False on failure, otherwise the oEmbed provider URL. |
| 295 | */ |
| 296 | public function discover( $url ) { |