time function
returns the current as representing the time as the number of seconds since January 1st, 1970 at 00:00:00 UTC.
date function
date function is used tp get the current date or time of the server.
there are some formats those are can be used with date function :
d - Represents the day of the month (01 to 31)
<?php
echo"d - Represents the day of the month (01 to 31) :",date("d");
?>
m - Represents a month (01 to 12)
<?php
m - Represents a month (01 to 12)
<?php
echo"<br><br>m - Represents the month (01 to 31) :",date("m");
?>
Y - Represents a year (in four digits)
<?php
echo"<br><br>Y - Represents the year (if year is 2012 ,so output will be 2012) :",date("Y");
echo"<br><br>y - Represents the year (if year is 2012 ,so output will be 12) :",date("y");
?>
l (lowercase 'L') - Represents the day of the week
<?php
echo "<br> l (lowercase 'L') - Represents the day of the week",date("l")
?>
H - 24-hour format of an hour (00 to 23)
H - 24-hour format of an hour (00 to 23)
<?php
echo"<br><br>h - 12-hour format of an hour (1 to 12) :",date("h");
echo"<br><br>H - 24-hour format of an hour (0 to 24) :",date("H");
?>
h - 12-hour format of an hour with leading zeros (01 to 12)
i - Minutes with leading zeros (00 to 59)
h - 12-hour format of an hour with leading zeros (01 to 12)
i - Minutes with leading zeros (00 to 59)
<?php
echo"<br><br>i - Minutes with leading zeros (00 to 59) :",date("i");
?>
s - Seconds with leading zeros (00 to 59)
<?php
s - Seconds with leading zeros (00 to 59)
<?php
echo"<br><br>s - Seconds with leading zeros (00 to 59) :",date("s");
?>
a - Lowercase Ante meridiem and Post meridiem (am or pm)
echo"<br><br>A - Capital case Ante meridiem and Post meridiem (am or pm) :",date("A");
echo"<br><br>a - lower case Ante meridiem and Post meridiem (am or pm) :",date("a");
?>
a - Lowercase Ante meridiem and Post meridiem (am or pm)
<?php
echo"<br><br>A - Capital case Ante meridiem and Post meridiem (am or pm) :",date("A");
echo"<br><br>a - lower case Ante meridiem and Post meridiem (am or pm) :",date("a");
?>
cookie
cookie is a small file that embeds on the clients browser by the server.it is generally used to identify a user.
syntax:
example:
cookie.php
<form action="admin.php" method="post" >
Username:
<input name="username" type="text" value="<?php if(isset($_COOKIE["username"])) { echo $_COOKIE["username"]; } ?>" >
Password:
<input name="password" type="password" value="<?php if(isset($_COOKIE["password"])) { echo
$_COOKIE["password"]; } ?>" >
<input type="checkbox" name="remember" /> Remember me
<input type="submit" value="Login">
</form>
admin.php
<a href="cookie.php"> Login </a>
if(!empty($_POST["remember"]))
{
setcookie ("username",$_POST["username"],time()+ 3600);
setcookie ("password",$_POST["password"],time()+ 3600);
setcookie ("password",$_POST["password"],time()+ 3600);
echo "data is set";
}
else
{
setcookie("username","");
setcookie("password","");
echo "data is not set";
setcookie("password","");
echo "data is not set";
}
?>
?>
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