php

Getting an average number using PHP

<?
$total_ratings = (3+2+3+1+5+2+3);$total_votes = 7;$average = $total_ratings / $total_votes;
print("The Average Rating Is: $average");?>

Setting and retrieving a cookie

<?
$check = "test";$check .= $filename;
if ($test == $check)
{
print("<HTML><BODY>You have already voted. Thank you.</BODY></HTML>");
}
else
{$rated = "test";$rated .= $filename;setcookie(test, $rated, time()+86400);
print("<HTML><BODY> You haven't voted before so I recorded your vote</BODY></HTML>");
}?>

Add date time stamp "page last updated on..." using filemtime function using forms, cookies, flat file databases, random number generation

<html>
<head>
<title>Page last updated on month/date/year hour:min PHP Script</title>
</head>
<?
$last_modified = filemtime("example7.php3");
print("Last Modified ");
print(date("m/j/y h:i", $last_modified));?></body>
</html>

Change background color based on day of the week using array

<html>
<head>
<title>Background Colors change based on the day of the week</title>
</head>
<?
$today = date("w");$bgcolor = array("#FEF0C5", "#FFFFFF", "#FBFFC4", "#FFE0DD","#E6EDFF", "#E9FFE6", "#F0F4F1");?><body bgcolor="<?print("$bgcolor[$today]");?>">
 This just changes the color of the screen based on the day of the week
</body>
</html>

Change background color based on day of the week using if else elseif statements

<html>
<head>
<title>Background Colors change based on the day of the week</title>
</head>
<?
$today = date("l");
print("$today");
if($today == "Sunday")
{$bgcolor = "#FEF0C5";
}
elseif($today == "Monday")
{$bgcolor = "#FFFFFF";
}
elseif($today == "Tuesday")
{$bgcolor = "#FBFFC4";
}
elseif($today == "Wednesday")
{$bgcolor = "#FFE0DD";
}
elseif($today == "Thursday")
{$bgcolor = "#E6EDFF";
}
elseif($today == "Friday")
{$bgcolor = "#E9FFE6";
}
else
{// Since it is not any of the days above it must be Saturday$bgcolor = "#F0F4F1";
}
print("<body bgcolor=\"$bgcolor\">\n"); ?> This just changes the color of the screen based on the day of the week
</body>
</html>

Current month/day/date with HTML colors & formatting

<html>

<head>
<title>PHP Script examples!</title>
</head>
<? print(Date("m/j/y")); ?>

<body>
</body>
</html>

Current month/day/date format

<html>

<head>
<title>Example #3 TDavid's Very First PHP Script ever!</title>
</head>
<? print(Date("m/j/y")); ?>
<body>
</body>
</html>

Sunday, 27 November 2011