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Source View: wp_unique_filename

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Line Code
2592       * Filters the result when generating a unique file name.
2593       *
2594       * @since 4.5.0
2595       *
2596       * @param string        $filename                 Unique file name.
2597       * @param string        $ext                      File extension, eg. ".png".
2598       * @param string        $dir                      Directory path.
2599       * @param callable|null $unique_filename_callback Callback function that generates the unique file name.
2600       */
2601      return apply_filters( 'wp_unique_filename', $filename, $ext, $dir, $unique_filename_callback );
2602 }
2603
2604 /**
2605  * Helper function to check if a file name could match an existing image sub-size file name.
2606  *
2607  * @since 5.3.1
2608  * @access private
2609  *
2610  * @param string $filename The file name to check.