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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 |
|---|---|
| 985 | */ |
| 986 | function enqueue_embed_scripts() { |
| 987 | wp_enqueue_style( 'wp-embed-template-ie' ); |
| 988 | |
| 989 | /** |
| 990 | * Fires when scripts and styles are enqueued for the embed iframe. |
| 991 | * |
| 992 | * @since 4.4.0 |
| 993 | */ |
| 994 | do_action( 'enqueue_embed_scripts' ); |
| 995 | } |
| 996 | |
| 997 | /** |
| 998 | * Prints the CSS in the embed iframe header. |
| 999 | * |
| 1000 | * @since 4.4.0 |
| 1001 | */ |
| 1002 | function print_embed_styles() { |
| 1003 | $type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"'; |