date_sub
Subtracts an amount of days, months, years, hours, minutes and
seconds from a DateTime object
&reftitle.description;
voiddate_sub
DateTimeobject
DateIntervalobject
Subtracts the specified DateInterval object from the specified DateTime
object.
&reftitle.parameters;
object
A date as returned by DateTime.
object
The amount to be subtracted. For the date use "P3D", "P3M", "P3Y" or
a combination of the three e.g. "P5D2M" (D = Days, M = Months, Y = Years).
For the time use "T3H", "T3M", "T3S" or or a combination of the three
e.g. "T5H20M" (H = Hours, M = Minutes, S = Seconds).
For dateTime us "P5D2M4YT5H20M". The digit before the letter (NOT P or
T) can be any amount.
&reftitle.returnvalues;
&return.void;
&reftitle.examples;
<function>date_sub</function> example
format("d-m-Y H:i:s").'
';
date_sub($date, new DateInterval('P5D'));
echo '
'.$date->format("d-m-Y").' : 5 Days';
date_sub($date, new DateInterval('P5M'));
echo '
'.$date->format("d-m-Y").' : 5 Months';
date_sub($date, new DateInterval('P5Y'));
echo '
'.$date->format("d-m-Y").' : 5 Years';
date_sub($date, new DateInterval('P5D5M5Y'));
echo '
'.$date->format("d-m-Y").' : 5Days, 5 Months, 5 Years';
date_sub($date, new DateInterval('P5YT5H'));
echo '
'.$date->format("d-m-Y H:i:s").' : 5 Years, 5 Hours';
?>
]]>
&reftitle.notes;
&warn.experimental.func;
&reftitle.seealso;
date_add
date_dif