Arya Weblog

Environment Variablesreplyarya2u

Wed, 20 Jan 2010 05:10:41 +0000

PHP has a collection of environment variables, which are system defined variables that are accessible from anywhere inside the PHP code. All of these environment variables are stored by PHP as arrays. Some you can address directly by using the name of the index position as a variable name. Other can only be accessed through [...]

What is array and how many type of array?replyarya2u

Fri, 13 Nov 2009 05:35:32 +0000

An array is a way of holding multiple closely-related values, such as the test scores of all students in a class. An array is made up of a key and a value, and the key points to the value. There are two types of arrays: Indexed array and Associative array. Their difference is in the way [...]

What does === do? What’s an example of something that will give true for ‘==’, but not ‘===’?replyarya2u

Fri, 13 Nov 2009 05:29:47 +0000

“====” means first check the condition & if it return true then assign that value against a variable.

How do you find the Second highest Salary?replyarya2u

Fri, 06 Nov 2009 10:33:26 +0000

SELECT MAX( E1.salary ) FROM employee E1, employee E2 WHERE E1.salary < E2.salary

Multiple select and deletereplyarya2u

Thu, 06 Aug 2009 07:20:57 +0000

JAVASCRIPT code ———————- PHP code —————– 0 && $_REQUEST['deleteall']==”Delete”) { $cnt=count($_REQUEST['chkmem']); $chkmem=$_REQUEST['chkmem']; for($i=0;$i<$cnt;$i++) { mysql_query(“delete from tbl_name where sid=”.$chkmem[$i]) or die(mysql_error()); } } ?> HTML code ————-

Arrange order or sorting the listingreplyarya2u

Thu, 06 Aug 2009 07:14:17 +0000

The PHP Code —————— // if an arrow link was clicked… if ($_GET['dir'] && $_GET['id']) { // make GET vars easier to handle $dir = $_GET['dir']; // cast as int and couple with switch for sql injection prevention for $id $id = (int) $_GET['id']; // decide what row we’re swapping based on $dir switch ($dir) { // if we’re going up, swap is 1 less [...]

Modify or Remove a Sessionreplyarya2u

Mon, 03 Aug 2009 05:39:41 +0000

The code above demonstrates how [...]

Sending Email (Text/HTML/Attachments)replyarya2u

Sat, 01 Aug 2009 11:16:04 +0000

from    = ”; $mail->to      = $to; $mail->subject = $subject; $mail->body    = “Plese find the attachment.”; if($filename <> “”) { # append the attachment $mail->add_attachment($data, $filename, $content_type); } # send e-mail $enviado [...]

Set session timereplyarya2u

Sat, 01 Aug 2009 06:49:17 +0000

session_start(); //SESSION START // set timeout period in seconds $inactive = 600; // check to see if $_SESSION['timeout'] is set if(isset($_SESSION['timeout']) ) { $session_life = time() – $_SESSION['timeout']; if($session_life > $inactive) { session_destroy(); header(“Location: login.php”); } } $_SESSION['timeout'] = time();

Call parent window’s javascript function from child window OR passing data from child window to parent window in javascriptreplyarya2u

Wed, 22 Jul 2009 07:40:12 +0000

Hi, I was working on small application and I had a requirement as described here. I was creating a page in which user can add multiple cotact detail for him. The page has facility for add, delete and edit the contact. I was storing all these information in view state and finally on Save All [...]

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