- abs: documentation ( source)
- floor: documentation ( source)
<?php
function dias_transcurridos($fecha_i,$fecha_f)
{
$formato="Y-m-d";
//echo DateTime::createFromFormat($formato,$fecha_i);
$diff = abs(DateTime::createFromFormat($formato,$fecha_i)-DateTime::createFromFormat($formato,$fecha_f));
echo $diff;
echo floor($diff/(60*60*24));
return $diff;
};
echo dias_transcurridos("2014-06-01","2014-06-03");