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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 |
|---|---|
| 298 | /** |
| 299 | * Filter the HTML returned by the oEmbed provider. |
| 300 | * |
| 301 | * @since 2.9.0 |
| 302 | * |
| 303 | * @param string $data The returned oEmbed HTML. |
| 304 | * @param string $url URL of the content to be embedded. |
| 305 | * @param array $args Optional arguments, usually passed from a shortcode. |
| 306 | */ |
| 307 | return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args ); |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Attempts to discover link tags at the given URL for an oEmbed provider. |
| 312 | * |
| 313 | * @param string $url The URL that should be inspected for discovery `<link>` tags. |
| 314 | * @return false|string False on failure, otherwise the oEmbed provider URL. |
| 315 | */ |
| 316 | public function discover( $url ) { |