It is a way to store data for users against a session ID. Web Server has no idea who you are, has no idea whether you are logged in or you have the permissions to check this page because HTTP address doesn’t maintain state. And by storing user’s information to be used across multiple pages Session
Category: PHP Tutorial
Cookie – PHP Advanced
Its a small file that server insert on user’s computer. When the same computer requests a page with a browser, it will send cookie too. You can create and retrieve cookie values here in PHP. Create Cookies setcookie() function is used to create a cookie. //cookies syntax setcookie(name, value, expire, path, domain, secure, httponly); Following
File Upload – PHP Advanced
It’s easy to upload your files to server but with ease it comes danger so be careful when allowing file uploads. Set Up “php.ini” File Search for file_uploads directive in your “php.ini” File and make it On : file_uploads = On And now, Create HTML FORM : which allows user to choose the file they want
File Create – PHP Advanced
Create File – fopen( ) fopen( ) function is also used to create a file. In PHP, by same function to open file, a file is also created using that same function. It creates new file, given that file is opened for appending(a) or writting(w) when you use fopen( ) function on file that does
File Handling – PHP Advanced
File Handling is the most important part of web application. For different task you need to open and process a file. Manipulating Files : Creating, Reading, Uploading, and Editing files has several functions for PHP. If you do something wrong, it can damage a lot so be careful while manipulating files. Filling a hard-drive with
Include Files – PHP Advanced
In PHP: before the server executes, it is possible to insert files of one PHP file into another PHP file with help of include or require statement. Include and Require statements are identical, except upon failure: Only warning is produced by include (E_WARNING) and script will continue. Fatal error will be produced by require (E_COMPILE_ERROR)
Variables & Data Types – PHP Basics
Variables are the storage of different types of information. You cannot start with a number while declaring a variable and it starts with ‘$’ sign followed by variable name (for ex. $code). It can only contain underscore and alpha numeric characters. ‘$code’ and ‘$CODE’ are two different variables here because its case sensitive. Declaring Variables
Loops – PHP Basics
Loop is used whenever you want a code to run over and over again in row. We use Loop instead of adding almost same codes many times. Loop Statements : Loop continues as long as the condition is true – while Loop continues a code once and repeats loop until specified condition is true –
If..Else..ElseIf, Switch Statements – PHP Basics
If…Else..ElseIf Statement is used when you want to perform different conditions in a program. If one condition is true another is also true – If Statement If one condition is true and another is false – If..else Statement If more than two condition is needed – If..else..elseIf Statement Selects one of many blocks of code
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Date And Time – PHP Basics
In PHP to format a date or a time, ‘date( )’ function is used. This function makes time and date easy to read. Commonly used characters for dates : d, m, y, l (small L). Here, ‘d’ represents day, ‘m’ represents month, ‘y’ represents year and ‘l’ represents day of week. And for additional formatting characters