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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 |
|---|---|
| 82 | * |
| 83 | * @param array $size { |
| 84 | * Indexed array of the embed width and height in pixels. |
| 85 | * |
| 86 | * @type int $0 The embed width. |
| 87 | * @type int $1 The embed height. |
| 88 | * } |
| 89 | * @param string $url The URL that should be embedded. |
| 90 | */ |
| 91 | return apply_filters( 'embed_defaults', compact( 'width', 'height' ), $url ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Attempts to fetch the embed HTML for a provided URL using oEmbed. |
| 96 | * |
| 97 | * @since 2.9.0 |
| 98 | * |
| 99 | * @see WP_oEmbed |
| 100 | * |