Getting yesterday and previous days date values

$m= date("m"); // Month value
$de= date("d"); //today's date
$y= date("Y"); // Year value
echo date('d-m-y:D', mktime(0,0,0,$m,($de-1),$y));

$m= date("m");
$de= date("d");
$y= date("Y");
for($i=0; $i<=15; $i++){
echo date('d-m-y:D',mktime(0,0,0,$m,($de-$i),$y));
echo "<br>";
}

PHP Date & Time functions PHP Date Time Validating Date: Checking if date exist PHP Date Today PHP yesterday and previous 7 days from today PHP Date Format Time stamp generator Date selection drop down list box mktime function to generate time stamp Difference in Two dates by using mktime function Finding month, weekday, day of the year etc for any date value Breaking the date string to get month date and year using array