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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 |
|---|---|
| 456 | /** |
| 457 | * Filters the oEmbed endpoint URL. |
| 458 | * |
| 459 | * @since 4.4.0 |
| 460 | * |
| 461 | * @param string $url The URL to the oEmbed endpoint. |
| 462 | * @param string $permalink The permalink used for the `url` query arg. |
| 463 | * @param string $format The requested response format. |
| 464 | */ |
| 465 | return apply_filters( 'oembed_endpoint_url', $url, $permalink, $format ); |
| 466 | } |
| 467 | |
| 468 | /** |
| 469 | * Retrieves the embed code for a specific post. |
| 470 | * |
| 471 | * @since 4.4.0 |
| 472 | * |
| 473 | * @param int $width The width for the response. |
| 474 | * @param int $height The height for the response. |