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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 |
|---|---|
| 448 | /** |
| 449 | * Filters the link types that contain oEmbed provider URLs. |
| 450 | * |
| 451 | * @since 2.9.0 |
| 452 | * |
| 453 | * @param string[] $format Array of oEmbed link types. Accepts 'application/json+oembed', |
| 454 | * 'text/xml+oembed', and 'application/xml+oembed' (incorrect, |
| 455 | * used by at least Vimeo). |
| 456 | */ |
| 457 | $linktypes = apply_filters( |
| 458 | 'oembed_linktypes', |
| 459 | array( |
| 460 | 'application/json+oembed' => 'json', |
| 461 | 'text/xml+oembed' => 'xml', |
| 462 | 'application/xml+oembed' => 'xml', |
| 463 | ) |
| 464 | ); |
| 465 | |
| 466 | // Strip <body>. |