![]() ![]() so, using the next line we will see if the user has clicked on submit button // or not. The name attribute of it is used as the key to the array // Here, a hidden field is given the name="submit". The $_GET is the variable // When you submit any form data via GET, the PHP's $_GET which is an associative array (More on this later), is // used to store the data posted to page using query string. First thing to check is if user has submitted any data to this page via the form // We will use if-else condition here // The isset function checks if the variable of the given name exists or not. Here's an example (Highly Commented in PHP) Now that we have stored all the variables in the page, we will be processing the details. What you get is the value posted to you.Ħ. The single quote is what the name attribute of the form elements like Textboxes, Selectboxes etc. Create Database Suppose that you want to display items in a drop down list from the following table in a MySQL database: As you can see, the table category contains two columns categoryid and name. I should be using GET method at the moment, so I will have a method in PHP to get this data. While in POST method, the data is posted in different way and you will not see any query string inĥ. When you see form data submitted inside a url like For starters, I would say, there are two methods GET and POST, via whichĪ form data is submitted. This depends on the method via which the form is submitted. Now, if user had submitted the data to me using the form, I have to get that data too and store it in a temporary variable also. Do Something to process the form data and display the resultĮlse // Display the form to let the user input the dataĤ. This also implies that a branching is used. This implies that I should have a method to detect if a user has not just loaded a page but rather has sent the form data to it. My PHP script is the same page that generated the HTML form (say, index.php).ģ. ![]() When a user will select the values and hit Submit button (implies, I have a form element in HTML), the data is going to some PHP script. This implies that I have to use some html to display this.Ģ. ![]() First, the page will display three select boxes -> Day, Month, Year. This can be a simple flowchart or simple english like points approach. Logic is how the code is going to execute which doesn't imply any language boundary. How to create dropdown list using JavaScript with javascript tutorial, introduction, javascript oops, application of javascript, loop, variable, objects. But I want to ask one, thing, do you have a logic ready in your mind. I understand the problems that beginners face. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |