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< 				$_SESSION['auth_url'] = $profile['auth_url'];
---
> 				$_SESSION['auth_url'] = $profile['idp_url'];
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< 	if ($identity != $profile['auth_url']) {
---
> 	if ($identity != $profile['idp_url']) {
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< 		$keys['identity'] = $profile['auth_url'];
---
> 		$keys['identity'] = $profile['idp_url'];
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< 		'identity' => $profile['auth_url'],
---
> 		'identity' => $profile['idp_url'],