The 1th value of the array \$tv is $tv[1]
"; // Let's modify an element (overwrite a slot) $tv[1] = "The Daily Show"; print "The 0th value of the array \$tv is $tv[0]
"; print "The 1th value of the array \$tv is $tv[1]
"; // Some tricks $n = count($tv); // how many elements are in the array? print "There are $n elements in the array labeled \$tv
"; $ten = range (1, 10); // create an array 1,2,3,4,5,6,7,8,9,10 $days = range(1,31); $years = range(2011,2021); // Notice that we can't see array contents simply by printing the array // The following commands will simply print to the browser: "$ten = Array" etc. print "Here is what happens if we try to print the contents of the array as if it were a mere variable:
"; print "\$ten = $ten
"; print "\$days = $days
"; print "\$years = $years
"; // One way to reveal the contents of an array is to use the print_r command // Notice that this is a stand-alone PHP command; there are no quotes. /* According to the PHP manual, "print_r() displays information about a variable in a way that's readable by humans. " */ print "Here is what the \$months array looks like if we print the contents using print_rI picked $pick at random from values ranging from 1 to 10.
"; // A fun application // of some of these ideas print "What month were you born?
"; print ""; ?>