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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 |
|---|---|
| 2139 | <div class="media-item media-blank"> |
| 2140 | <?php |
| 2141 | /** |
| 2142 | * Filter the insert media from URL form HTML. |
| 2143 | * |
| 2144 | * @since 3.3.0 |
| 2145 | * |
| 2146 | * @param string $form_html The insert from URL form HTML. |
| 2147 | */ |
| 2148 | echo apply_filters( 'type_url_form_media', wp_media_insert_url_form( $type ) ); |
| 2149 | ?> |
| 2150 | </div> |
| 2151 | </div> |
| 2152 | </form> |
| 2153 | <?php |
| 2154 | } |
| 2155 | |
| 2156 | /** |
| 2157 | * Adds gallery form to upload iframe |