15062024114854AM.pptx

PHP DU #2305CS312 Unit-02 Form Processing and Session Management Prof. Vijay M Shekhat Computer Engineering Department Darshan Institute of Engineering & Technology, Rajkot [email protected]...

PHP DU #2305CS312 Unit-02 Form Processing and Session Management Prof. Vijay M Shekhat Computer Engineering Department Darshan Institute of Engineering & Technology, Rajkot [email protected] 9558045778  Looping Outline Form attributes Form processing Query string File handling File uploads Cleaning the received data Regular Expression Regular Expression functions Validation using Regular Expression Cookies in PHP Session in PHP Form Attributes Attribute Description accept-charset Specifies the character encodings used for form submission action Specifies where to send the form-data when a form is submitted autocomplete Specifies whether a form should have auto complete on or off enctype Specifies how the form-data should be encoded when submitting it to the server (available only when we use method=“POST") method Specifies the HTTP method to use when sending form-data (GET / POST) name Specifies the name of the form novalidate Specifies that the form should not be validated when submitted rel Specifies the relationship between a linked resource and the current document target Specifies where to display the response that is received after submitting the form #2305CS312 (PHP)  Unit 02 – Form Processing and Session Prof. Vijay M Shekhat 3 Form Processing  We can access form data using inbuilt PHP associative array.  $_GET => in case we have used get method in the form  $_POST => in case we have used post method in the form  $_REQUEST => in both the cases  For example, html recive.php html recive.php #2305CS312 (PHP)  Unit 02 – Form Processing and Session Prof. Vijay M Shekhat 4 Query string  Consider we have a URL: http://www.darshan.ac.in/course.php? id=4&name=BCA  Here the query string is: ?id=4&name=BCA  Here the query consists of two parts: a key id with value 4, and a key name with value BCA. php  You can access the value of the query string keys using this code: