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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 |
|---|---|
| 422 | /** |
| 423 | * Filters the oEmbed endpoint URL. |
| 424 | * |
| 425 | * @since 4.4.0 |
| 426 | * |
| 427 | * @param string $url The URL to the oEmbed endpoint. |
| 428 | * @param string $permalink The permalink used for the `url` query arg. |
| 429 | * @param string $format The requested response format. |
| 430 | */ |
| 431 | return apply_filters( 'oembed_endpoint_url', $url, $permalink, $format ); |
| 432 | } |
| 433 | |
| 434 | /** |
| 435 | * Retrieves the embed code for a specific post. |
| 436 | * |
| 437 | * @since 4.4.0 |
| 438 | * |
| 439 | * @param int $width The width for the response. |
| 440 | * @param int $height The height for the response. |