php iso format code example
Example 1: php get day of week
date('w'); //gets day of week as number(0=sunday,1=monday...,6=sat)
//note:returns 0 through 6 but as string so to check if monday do this:
if(date('w') == 1){
echo "its monday baby";
}
Example 2: php date format iso
echo date(DATE_ISO8601, strtotime('2010-12-30 23:21:46'));