How do I set the selected item in a drop down box in php?

php’); $result = mysql_query(“SELECT * FROM users WHERE `id`!= ‘”. $user_id. “‘”); while ($row = mysql_fetch_array($result)) { if ($_GET[‘to’] == $row[‘id’]) { $selected = ‘selected=”selected”‘; } else { $selected = ”; } echo(‘select * from mine where username = ‘$user’ “; $res = mysql_query($sql); while($list = mysql_fetch_assoc($res)){ $category = $list[‘category’]; $username = $list[‘username’]; $options = $list[‘options’]; ?> “.

How can I use alert in PHP?

PHP doesn’t support alert message box because it is a server-side language but you can use JavaScript code within the PHP body to alert the message box on the screen. Program 1: PHP program to pop up an alert box on the screen.

What is PHP button?

Calling a PHP function using the HTML button: Create an HTML form document which contains the HTML button. When the button is clicked the method POST is called. The POST method describes how to send data to the server. After clicking the button, the array_key_exists() function called.

How to select option from drop down list in PHP?

This is the text that is used to differentiate one option from all the rest. -If you want to select an option from the drop-down list by default, you can use the line checked=”checked” for the given drop-down option. If you don’t select any by default, the first option on the list will be selected by default.

How to get selected value of select option in PHP 7?

Declare an array and multiple tag with select drop-down HTML tag. We have set the Movies array, with the help of a loop, iterate each value within the dropdown. This is the final source code of multi select box this will help you display multiple selected value of dropdown list in PHP.

How to select dropdown from database based on dropdown?

Since the data in your Sub-Category drop down is dependent on what is selected in the category, you probably want to use ajax.

How to create a drop down list in HTML?

When creating a drop-down list in HTML, the select tag is used to enclose all of the options in the drop-down list. The select tag has an opening and closing tag. -The option tag is for each of the individual choices in a drop-down list that a user can select. The option tag contains the “value” attribute.