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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.
This hook occurs 2 times in this file.
Line | Code |
---|---|
2444 | * Filters the result when generating a unique file name. |
2445 | * |
2446 | * @since 4.5.0 |
2447 | * |
2448 | * @param string $filename Unique file name. |
2449 | * @param string $ext File extension, eg. ".png". |
2450 | * @param string $dir Directory path. |
2451 | * @param callable|null $unique_filename_callback Callback function that generates the unique file name. |
2452 | */ |
2453 | return apply_filters( 'wp_unique_filename', $filename2, $ext, $dir, $unique_filename_callback ); |
2454 | } |
2455 |
|
2456 | while ( file_exists( $dir . "/$filename" ) ) { |
2457 | $new_number = (int) $number + 1; |
2458 | if ( '' == "$number$ext" ) { |
2459 | $filename = "$filename-" . $new_number; |
2460 | } else { |
2461 | $filename = str_replace( array( "-$number$ext", "$number$ext" ), '-' . $new_number . $ext, $filename ); |
2462 | } |
2463 | $number = $new_number; |
2464 | } |
2465 | } |
2466 |
|
2467 | /** This filter is documented in wp-includes/functions.php */ |
2468 | return apply_filters( 'wp_unique_filename', $filename, $ext, $dir, $unique_filename_callback ); |
2469 | } |
2470 |
|
2471 | /** |
2472 | * Create a file in the upload folder with given content. |
2473 | * |
2474 | * If there is an error, then the key 'error' will exist with the error message. |
2475 | * If success, then the key 'file' will have the unique file path, the 'url' key |
2476 | * will have the link to the new file. and the 'error' key will be set to false. |
2477 | * |