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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 |
|---|---|
| 616 | $ext = preg_replace( '|.*/([a-z0-9]+)|', '$1', $_SERVER['CONTENT_TYPE'] ); |
| 617 | $slug = sanitize_file_name( "$slug.$ext" ); |
| 618 | $file = wp_upload_bits( $slug, NULL, $bits); |
| 619 | |
| 620 | log_app('wp_upload_bits returns:',print_r($file,true)); |
| 621 | |
| 622 | $url = $file['url']; |
| 623 | $file = $file['file']; |
| 624 | |
| 625 | do_action('wp_create_file_in_uploads', $file); // replicate |
| 626 | |
| 627 | // Construct the attachment array |
| 628 | $attachment = array( |
| 629 | 'post_title' => $slug, |
| 630 | 'post_content' => $slug, |
| 631 | 'post_status' => 'attachment', |
| 632 | 'post_parent' => 0, |
| 633 | 'post_mime_type' => $type, |
| 634 | 'guid' => $url |