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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 |
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452 | /** |
453 | * Filters the link types that contain oEmbed provider URLs. |
454 | * |
455 | * @since 2.9.0 |
456 | * |
457 | * @param string[] $format Array of oEmbed link types. Accepts 'application/json+oembed', |
458 | * 'text/xml+oembed', and 'application/xml+oembed' (incorrect, |
459 | * used by at least Vimeo). |
460 | */ |
461 | $linktypes = apply_filters( |
462 | 'oembed_linktypes', |
463 | array( |
464 | 'application/json+oembed' => 'json', |
465 | 'text/xml+oembed' => 'xml', |
466 | 'application/xml+oembed' => 'xml', |
467 | ) |
468 | ); |
469 |
|
470 | // Strip <body>. |