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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 |
|---|---|
| 2251 | </div> |
| 2252 | |
| 2253 | <div id="html-upload-ui" class="hide-if-js"> |
| 2254 | <?php |
| 2255 | /** |
| 2256 | * Fires before the upload button in the media upload interface. |
| 2257 | * |
| 2258 | * @since 2.6.0 |
| 2259 | */ |
| 2260 | do_action( 'pre-html-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 2261 | |
| 2262 | ?> |
| 2263 | <p id="async-upload-wrap"> |
| 2264 | <label class="screen-reader-text" for="async-upload"> |
| 2265 | <?php |
| 2266 | /* translators: Hidden accessibility text. */ |
| 2267 | _e( 'Upload' ); |
| 2268 | ?> |
| 2269 | </label> |