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<?php function array_keys_exists($array, ...$keys) { foreach($keys as $key) { if(!array_key_exists($key, $array)) { return false; } } return true; } $_REQUEST['wert1'] = ""; $_REQUEST['wert2'] = ""; $_REQUEST['wert3'] = ""; var_dump((bool) $_REQUEST['wert1'] || $_REQUEST['wert2'] || $_REQUEST['wert3']); var_dump((bool) array_keys_exists($_REQUEST, 'wert1', 'wert2', 'wert3'));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(true)

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