PHP scripts and programs for Beginner to Master

php programs, php ready to use scripts & functions, css tutorials, html, javascripts, ajax examples for Beginner to Master

How to Extract Domain name from URL ?

Posted by vaibhavsk
Jan 19, 2010
comments (3)

Hi,

Here is a simple function which can be used to parse the URL.

parse_url is a built in php function which can be used to parse url and get the type of request like whether its http or https or ftp, gives the domain name like www.google.com and path and the query.


In http://www.chaprak.com/articles.php?cat_id=6 this url if you execute parse_url function then it will show the following result.

scheme - http
url - www.chaprak.com
path - /articles.php
query - cat_id=6






For more information click here.

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How to Get value stored in Cookie in php ?

Posted by vaibhavsk
Dec 18, 2009
comments (2)

Now you have learnt to set a cookie in php. Now the next thing is to retrieve the value stored in cookie.

With the following code you can retrieve the value stored in cookie.
To get the value stored in cookie we are using global variable $_COOKIE.

Here we are getting the value stored in cookie to the variable $mycookie.


Here is full code to check & print the value of the cookie.

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Error while creating a cookie - Warning: Cannot modify header information...

Posted by vaibhavsk
Dec 17, 2009
comments (1)

Hi,

Are you getting this kind of error when creating a cookie or setting a cookie -

Warning: Cannot modify header information - headers already sent by (output started at e:\wamp\www\mysite\test.php:3) in e:\wamp\www\mysite\test.php on line 4

This error comes when some data is sent to the browser before setting the cookie.
So setcookie or setrawcookie function should be the first to be called means,

setcookie or setrawcookie function should be the first line on your page.


So if you use code like this








so the above code will give error.

So you should do following thing.





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How to Set a Raw Cookie in php ?

Posted by vaibhavsk
comments (0)

You might be searching for how to set a raw cookie in php. So here is a simple example which shows how to set a raw cookie.

To set a cookie use the function "setrawcookie"

setrawcookie() is exactly the same as setcookie() except that the cookie value will not be automatically urlencoded when sent to the browser.

This function accepts different number of arguments or parameters as setcookie. You can see the php reference manual of setcookie function here for more details.

In the following example we are passing 3 parameters
1) cookie name - its the name by which cookie will be identified.
2) cookie value - its the value stored in cookie.
3) expiration time - the time till the cookie will be available, after that it will be destroyed.



You can set the cookie by using above function.
more details can be found here.

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How to Set a urlencoded Cookie in PHP ?

Posted by vaibhavsk
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You might be searching for how to set a cookie in php. So here is a simple example which shows how to set a cookie.

To set a cookie use the function "setcookie"

Note that the value portion of the cookie will automatically be urlencoded when you send the cookie, and when it is received, it is automatically decoded and assigned to a variable by the same name as the cookie name.

This function accepts different number of arguments or parameters. You can see the php reference manual of setcookie function here for more details.

In the following example we are passing 3 parameters
1) cookie name - its the name by which cookie will be identified.
2) cookie value - its the value stored in cookie.
3) expiration time - the time till the cookie will be available, after that it will be destroyed.



You can set the cookie by using above function.
more details can be found here for more details.

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