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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 |
|---|---|
| 1322 | |
| 1323 | ?></div> |
| 1324 | <?php |
| 1325 | // Check quota for this blog if multisite |
| 1326 | if ( is_multisite() && !is_upload_space_available() ) { |
| 1327 | echo '<p>' . sprintf( __( 'Sorry, you have filled your storage quota (%s MB).' ), get_space_allowed() ) . '</p>'; |
| 1328 | return; |
| 1329 | } |
| 1330 | |
| 1331 | do_action('pre-upload-ui'); |
| 1332 | |
| 1333 | $post_params = array( |
| 1334 | "post_id" => $post_id, |
| 1335 | "_wpnonce" => wp_create_nonce('media-form'), |
| 1336 | "type" => $_type, |
| 1337 | "tab" => $_tab, |
| 1338 | "short" => "1", |
| 1339 | ); |
| 1340 | |