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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 |
|---|---|
| 504 | * Filter the embed HTML output for a given post. |
| 505 | * |
| 506 | * @since 4.4.0 |
| 507 | * |
| 508 | * @param string $output The default HTML. |
| 509 | * @param WP_Post $post Current post object. |
| 510 | * @param int $width Width of the response. |
| 511 | * @param int $height Height of the response. |
| 512 | */ |
| 513 | return apply_filters( 'embed_html', $output, $post, $width, $height ); |
| 514 | } |
| 515 | |
| 516 | /** |
| 517 | * Retrieves the oEmbed response data for a given post. |
| 518 | * |
| 519 | * @since 4.4.0 |
| 520 | * |
| 521 | * @param WP_Post|int $post Post object or ID. |
| 522 | * @param int $width The requested width. |