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Source View: upgrader_source_selection

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Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
461            *
462            * @since 2.8.0
463            * @since 4.4.0 The $hook_extra parameter became available.
464            *
465            * @param string      $source        File source location.
466            * @param string      $remote_source Remote file source location.
467            * @param WP_Upgrader $this          WP_Upgrader instance.
468            * @param array       $hook_extra    Extra arguments passed to hooked filters.
469            */
470           $source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this, $args['hook_extra'] );
471
472           if ( is_wp_error( $source ) ) {
473                return $source;
474           }
475
476           // Has the source location changed? If so, we need a new source_files list.
477           if ( $source !== $remote_source ) {
478                $source_files = array_keys( $wp_filesystem->dirlist( $source ) );
479           }