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<?php declare(strict_types=1); interface PhpApplication { public function updateStuff(bool $includeNulls = false): void; } final class Joomla implements PhpApplication { public function updateStuff(bool $includeNulls = true): void { var_dump('nulls included: ' . ($includeNulls ? 'yes' : 'no')); } } (new Joomla())->updateStuff(false); (new Joomla())->updateStuff(true);
Output for git.master, git.master_jit, rfc.property-hooks
string(18) "nulls included: no" string(19) "nulls included: yes"

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