date('c') in php 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: show date php by letters

check here link:   http://www.eltcalendar.com/stuff/datemysqlphp.html