title: How can I determine if a date is between two dates in PHP?
body: <p>I need know if a <code>$paymentDate</code> (31/12/2010) is valid between <code>$contractDateBegin</code>(01/01/2001) and <code>$contractDateEnd</code>(01/01/2012)</p>
  
  <p><em><strong>dd/mm/yyyy FORMAT !</em></strong></p>