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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 |
|---|---|
| 72 | /** |
| 73 | * Filter the default array of embed dimensions. |
| 74 | * |
| 75 | * @since 2.9.0 |
| 76 | * |
| 77 | * @param array $size An array of embed width and height values |
| 78 | * in pixels (in that order). |
| 79 | * @param string $url The URL that should be embedded. |
| 80 | */ |
| 81 | return apply_filters( 'embed_defaults', compact( 'width', 'height' ), $url ); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Attempts to fetch the embed HTML for a provided URL using oEmbed. |
| 86 | * |
| 87 | * @since 2.9.0 |
| 88 | * |
| 89 | * @see WP_oEmbed |
| 90 | * |