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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 |
|---|---|
| 1538 | echo $errors['upload_error']->get_error_message(); |
| 1539 | |
| 1540 | ?></div> |
| 1541 | <?php |
| 1542 | if ( is_multisite() && !is_upload_space_available() ) { |
| 1543 | do_action( 'upload_ui_over_quota' ); |
| 1544 | return; |
| 1545 | } |
| 1546 | |
| 1547 | do_action('pre-upload-ui'); |
| 1548 | |
| 1549 | $post_params = array( |
| 1550 | "post_id" => $post_id, |
| 1551 | "_wpnonce" => wp_create_nonce('media-form'), |
| 1552 | "type" => $_type, |
| 1553 | "tab" => $_tab, |
| 1554 | "short" => "1", |
| 1555 | ); |
| 1556 | |