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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 |
|---|---|
| 1017 | */ |
| 1018 | function enqueue_embed_scripts() { |
| 1019 | wp_enqueue_style( 'wp-embed-template-ie' ); |
| 1020 | |
| 1021 | /** |
| 1022 | * Fires when scripts and styles are enqueued for the embed iframe. |
| 1023 | * |
| 1024 | * @since 4.4.0 |
| 1025 | */ |
| 1026 | do_action( 'enqueue_embed_scripts' ); |
| 1027 | } |
| 1028 | |
| 1029 | /** |
| 1030 | * Prints the CSS in the embed iframe header. |
| 1031 | * |
| 1032 | * @since 4.4.0 |
| 1033 | */ |
| 1034 | function print_embed_styles() { |
| 1035 | $type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"'; |