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drupal/core 11.4

ReplaceHideShowWithPrintedRector

Replace deprecated global hide() and show() functions with direct #printed property assignment on the render element.

-hide($element);
+$element['#printed'] = TRUE;

Configure your rector.php:

<?php

use DrupalRector\Drupal11\Rector\Deprecation\ReplaceHideShowWithPrintedRector;
use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withRules([
        ReplaceHideShowWithPrintedRector::class,
    ]);

Other rules in the drupal/core 11.4 set