How can we get the value of selected option in a select box using PHP?

To get the selected value of the element, you use the $_POST superglobal variable if the form method is POST and $_GET if the form method is GET . Alternatively, you can use the filter_input() function to sanitize the selected value.

How do I get the value of a select tag?

To get the value of a select or dropdown in HTML using pure JavaScript, first we get the select tag, in this case by id, and then we get the selected value through the selectedIndex property.

How do you get the selected value of dropdown in PHP without submit?

But if you wan’t to do it without submitting the request you can do so with the help of AJAX request.

1. $(document).ready(function() {
2. $(‘#my_select’).on(‘change’, do_something);
3. });
4. function do_something() {
5. var selected = $(‘#my_select’).val();
6. $.ajax({
7. url: ‘/you/php/script.php’,
8. type: ‘POST’,

How get value from select tag in react?

To fetch the selected value from the select element, you can use the onChange event handler prop. Just like the input or textarea elements, you can use the onChange event handler to get the value from the event object. Now, make this select input element controlled by using the state to pass the value.

How do you display a selected value in a drop down list in HTML?

Method 1: Using the value property: The value of the selected element can be found by using the value property on the selected element that defines the list. This property returns a string representing the value attribute of the element in the list. If no option is selected then nothing will be returned.

How do I show the selected values in a multiple Dropdownlist?

1. Using event. currentTarget. selectedOptions[index]. value you can get multiple selected values of multi-select dropdown. In my case, mergedValue gives me proper multiple selected values.
2. I have used split and replace to format the string obtained as I wanted it common separated.

How do I know which option is selected in HTML?

Select selectedIndex Property

1. Select the element with index “2”: getElementById(“mySelect”). selectedIndex = “2”;
2. Deselect all options: getElementById(“mySelect”). selectedIndex = “-1”;
3. The selectedIndex property will return “-1” if no options are selected: getElementById(“mySelect”). selectedIndex;

How do I retain a value selected in dropdown using Javascript?

1. hook to dropdown’s onchange method.
2. store the new value after each change into cookie or localStorage.
3. when the page is loaded look for particular cookie or localStorage value.
4. if present set the value of the dropdown to the value found.

How do I get the selected ID in React?

3 Answers. You can add an onChange event handler to the select which checks for the selected index and retrieve the id from the selected option. This is a bit of an anti-pattern for React.

How do I change the selected value in React?

How to change a select’s options based on another dropdown using React?

1. Create a state variable that is initially null or undefined.
2. Create different arrays for different dropdowns.
3. Create a local variable say type that will hold any of the array based on the dropdown selected.

How do I show selected dropdown?

Create a dropdown list with options for user to select. When user select an option from the dropdown list. An additional field will automatically appear to display the option selected by the user.

How do I get the selected value of multiselect dropdown in jQuery?

With jQuery, you can use the . val() method to get an array of the selected values on a multi-select dropdown list.

How to get value of selected option from select Tag in PHP?

To get value of a selected option from select tag: To get value of multiple select option from select tag, name attribute in HTML tag should be initialize with an array [ ]: PHP script for RADIO BUTTON FIELD:

How to get selected value from selected radio option in PHP?

PHP script for RADIO BUTTON FIELD: HTML allows user to choose one option from the given choices. Below codes contains PHP script to get a selected value from given HTML .

How to get the value of the select field in form?

If then the value of the select will be located in the super global array $_POST [‘taskOption’]. The index of the $_POST array is always based on the value of the name attribute of any HTML input.

What is the index of $_post array based on?

The index of the $_POST array is always based on the value of the name attribute of any HTML input. Highly active question. Earn 10 reputation (not counting the association bonus) in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.