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Source View: {$action}_prefilter

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Line Code
248       * Filter the data for a file before it is uploaded to WordPress.
249       *
250       * The dynamic portion of the hook name, `$action`, refers to the post action.
251       *
252       * @since 2.9.0 as 'wp_handle_upload_prefilter'.
253       * @since 4.0.0 Converted to a dynamic hook with `$action`.
254       *
255       * @param array $file An array of data for a single file.
256       */
257      $file = apply_filters( "{$action}_prefilter", $file );
258
259      // You may define your own function and pass the name in $overrides['upload_error_handler']
260      $upload_error_handler = 'wp_handle_upload_error';
261      if ( isset( $overrides['upload_error_handler'] ) ) {
262           $upload_error_handler = $overrides['upload_error_handler'];
263      }
264
265      // You may have had one or more 'wp_handle_upload_prefilter' functions error out the file. Handle that gracefully.
266      if ( isset( $file['error'] ) && ! is_numeric( $file['error'] ) && $file['error'] ) {