Get a customer by email in Magento

Question

Which of the expression will return a single customer object with email 'email@example.com'?

Accepted Answer

[php]
$collection = Mage::getModel('customer/customer')->getCollection();
$customer = $collection -> addFieldToFilter('email','email@example.com') -> setPage(1,1) -> getFirstItem();
[/php]

Accepted Answer

[php]
$collection = Mage::getModel('customer/customer')->getCollection();
$collection ->getSelect() ->where('email=?', 'email@example.com')->limit(1);
$customer = $collection->getLastItem();
[/php]

Answer

[php]
$customer = Mage::getModel('customer/entity') ->loadByEmail('email@example.com');
[/php]

Answer

[php]
$collection = Mage::getModel('customer/customer')->getCollection();
$customer = $collection -> addAttributeToFilter('email','email@example.com');
[/php]

Question from the Magento test

Get a customer by email in Magento