Date range per week (Opgelost)

<?php
echo date("d/m/Y",strtotime("last Monday"));
echo " - ";
echo date("d/m/Y",strtotime("first Sunday"));
?>

<?php
echo date("d/m/Y",strtotime("last Monday"));
echo " - ";
echo date("d/m/Y",strtotime("first Sunday"));
?>

$week = 28
$jaar = date("Y");

$week = 28
$jaar = date("Y");

function getDateFromWeek($iWeek, $iYear) 
{ 
  // Get a random monday in the requested year 
  $iRandomDate = mktime(0, 0, 0, 3, 1, $iYear); 
  // What's the first monday before this random date? 
  $iMonday = mktime(0, 0, 0, date('n', $iRandomDate), date('j', $iRandomDate)-(date('w', $iRandomDate)-1), $iYear);  

  // Get the date of week 1 
  $iFirstWeek = mktime(0, 0, 0, date('n', $iMonday), date('j', $iMonday) - 7*(date('W', $iMonday)-1), $iYear); 
  return mktime(0, 0, 0, date('n', $iFirstWeek), date('j', $iFirstWeek) + 7*($iWeek-1), date('Y', $iFirstWeek));

} 




function getEndDateFromWeek($iWeek, $iYear) 
{ 
  // Get a random sunday in the requested year 
  $iRandomDate = mktime(0, 0, 0, 3, 1, $iYear); 
  // What's the first sunday before this random date? 
  $iSunday = mktime(0, 0, 0, date('n', $iRandomDate), date('j', $iRandomDate)-(date('w', $iRandomDate)-7), $iYear); 
    
  $iWeekend   = mktime(0, 0, 0, date('n', $iSunday), date('j', $iSunday) - 7*(date('W', $iSunday)-1), $iYear);
 
  return       mktime(0, 0, 0, date('n', $iWeekend), date('j', $iWeekend) + 7*($iWeek-1), date('Y', $iWeekend)) ; 
} 



echo date('d/m/Y', getDateFromWeek(date("W"), date("Y"))) . " - " . date('d/m/Y', getEndDateFromWeek(date("W"), date("Y"))); 

function getDateFromWeek($iWeek, $iYear) 
{ 
  // Get a random monday in the requested year 
  $iRandomDate = mktime(0, 0, 0, 3, 1, $iYear); 
  // What's the first monday before this random date? 
  $iMonday = mktime(0, 0, 0, date('n', $iRandomDate), date('j', $iRandomDate)-(date('w', $iRandomDate)-1), $iYear);  
 
  // Get the date of week 1 
  $iFirstWeek = mktime(0, 0, 0, date('n', $iMonday), date('j', $iMonday) - 7*(date('W', $iMonday)-1), $iYear); 
  return mktime(0, 0, 0, date('n', $iFirstWeek), date('j', $iFirstWeek) + 7*($iWeek-1), date('Y', $iFirstWeek));
 
} 
 
 
 
 
function getEndDateFromWeek($iWeek, $iYear) 
{ 
  // Get a random sunday in the requested year 
  $iRandomDate = mktime(0, 0, 0, 3, 1, $iYear); 
  // What's the first sunday before this random date? 
  $iSunday = mktime(0, 0, 0, date('n', $iRandomDate), date('j', $iRandomDate)-(date('w', $iRandomDate)-7), $iYear); 
 
  $iWeekend   = mktime(0, 0, 0, date('n', $iSunday), date('j', $iSunday) - 7*(date('W', $iSunday)-1), $iYear);
 
  return       mktime(0, 0, 0, date('n', $iWeekend), date('j', $iWeekend) + 7*($iWeek-1), date('Y', $iWeekend)) ; 
} 
 
 
 
echo date('d/m/Y', getDateFromWeek(date("W"), date("Y"))) . " - " . date('d/m/Y', getEndDateFromWeek(date("W"), date("Y")));