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What is Class in Programming ? A class is a collection of variables and functions working with these variables. Variables are defined by var and functions are defined by function. It is an object oriented programming. Define a class Define a class using a keyword class Syntax class className { } Example class myfirstprogram { … Read more
Session in PHP Session is a way to store the user information(in variables) to be used across multiple pages. For example, When we work with an application, we may open it, do some modification and we close it. This is what a session is.The computer may know who you are, and when you start and end … Read more
To find a highest, lowest, count and average numbers in an array Here, we find the sample php programs to find the find he highest number in an array, similarly lowest number in an array, count of the numbers in an array and average of the numbers in an array. <?php $array=array(‘1′,’2′,’3′,’4’); echo “Given array … Read more
To get the client IP address <?php $strCurrentTime = date(“y-m-d h:i:s”,time()); $strIP = $_SERVER[‘REMOTE_ADDR’]; echo $strIP; ?> output 127.0.0.1 Note: IP address is dynamic so output may differ.
Contact page for website <?php include(‘config.inc.php’); class ContactUs { var $arrErrors = array(); var $strSuccess = ”; public $strSelect=null; public $objResult=null; var $objConfig = null; var $objDbConn=null; var $intRandSiteLimit = 35; var $arrRandSites = array(); var $strName = ”; var $strPhone = null; var $strEmail = ”; var $strContent = ”; var $strReferrer = null; … Read more
To create a login page in php Note: Create a table tbl_login with uname and pwd //config.inc.php <?php class Config { public $dbHostname = ‘localhost’; public $dbUsername = ‘root’; public $dbPassword = ‘xxx’; public $dbName = ‘dbname’; } ?> //index.php <?php session_start(); include(“config.inc.php”); class Login { public $strUsername = null; private $strPassword = null; public $arrErrors … Read more
To print a string using php <?php echo “Welcome to learn PHP”; print “Enjoy it”; ?> output Welcome to learn PHP Enjoy it Note: Using echo and print, you can display the string in php To display a number from 1 t0 5 in for loop <?php for($i=1; i<=5; $i++) { echo $i; echo “<br/>”; } … Read more
Simple program to find square root of a given number <?php $num=9; $root=0; $odd=1; while($num>0) { $num-=$odd; $root++; $odd+=2; } echo $root; ?> output 3 Program to find square root of a given number using sqrt functions, classes and objects <?php class square { public $num=null; public $objRes=null; function processRequest() { $this->square=$_REQUEST[‘num’]; } function run() … Read more