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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 |
|---|---|
| 161 | * |
| 162 | * @since 2.9.0 |
| 163 | * |
| 164 | * @see WP_Embed::shortcode() |
| 165 | * |
| 166 | * @param string|false $return The HTML result of the shortcode, or false on failure. |
| 167 | * @param string $url The embed URL. |
| 168 | * @param array $attr An array of shortcode attributes. |
| 169 | */ |
| 170 | return apply_filters( 'embed_handler_html', $return, $url, $attr ); |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | return false; |
| 177 | } |
| 178 | |
| 179 | /** |