Skip a value in do-while loop - php

Question

I've got a script that sets up a array of dates which form a dropdown. The array is set up by some variables about the current date and an fixed offset for the last date (two weeks). Stripped down this is what it looks like:
public function getDatesOptionArray()
{
$datesArray = array();
$displayDate = Mage::getModel('core/locale')->storeDate();
$displayDate->add($this->_startDaysOffset, Zend_Date::DAY);
$dayOffset = $this->_startDaysOffset;
do
{
$dayofweek = date('w', strtotime($displayDate->toString(Varien_Date::DATE_INTERNAL_FORMAT)));
$datesArray[$displayDate->toString(Varien_Date::DATE_INTERNAL_FORMAT)] = Mage::helper('core')->formatDate($displayDate, Mage_Core_Model_Locale::FORMAT_TYPE_FULL);
$displayDate->add('1', Zend_Date::DAY);
$dayOffset++;
} while ($dayOffset <= $this->_endDaysOffset);
return $datesArray;
}
The thing is I want to leave out all the 'Sunday' options, and I've got the $dayofweek variable for each, where sunday is 0. I've tried to wrap the whole thing inside the do function in an if-statement (if $dayofweek !== 0), set an if ($dayofweek == 0) { continue;} and every other trick I could think of, but I get only either of these results
1: Only the first date is shown
2: All dates until the first sunday are shown, none after that
3: All dates are shown
I think I might be missing the point on the do-while loop; how do I exclude if $dayofweek == 0?

Answer 1

For me is something like this, i use while because Do...While(...) the first time it will not check your condition you'll enter your loop at last 1 time, and when you use while(...){} every time your program will check your condition
public function getDatesOptionArray()
{
$datesArray = array();
$displayDate = Mage::getModel('core/locale')->storeDate();
$displayDate->add($this->_startDaysOffset, Zend_Date::DAY);
$dayOffset = $this->_startDaysOffset;
while ($dayOffset <= $this->_endDaysOffset)
{
$dayofweek = date('w', strtotime($displayDate->toString(Varien_Date::DATE_INTERNAL_FORMAT)));
if ($dayofweek != 0) {
$datesArray[$displayDate->toString(Varien_Date::DATE_INTERNAL_FORMAT)] = Mage::helper('core')->formatDate($displayDate, Mage_Core_Model_Locale::FORMAT_TYPE_FULL);
}
$displayDate->add('1', Zend_Date::DAY);
$dayOffset++;
}
return $datesArray;
}

Answer 2

Let say the array is
$date = array(
2017-10-12,
2017-10-13,
2017-10-14,
2017-10-15,
2017-10-16,
2017-10-17,
2017-10-18,
2017-10-19,
2017-10-20,
2017-10-21,
2017-10-22,
2017-10-23,
2017-10-24,
2017-10-25
);
Now do this for remove sunday's dates
$i=0;
do{
if(date('w',strtotime($date[$i]))>0) $dateArray[] = $date[$i];
$i++;
} while ($i<count($date));
echo "<pre>";print_r($dateArray);
return $datesArray;
$dateArray will give you dates without sundays.