/PHP/Hou to fill value in input box using php

Hou to fill value in input box using php

<?php
//Adding the php to the top.
if(isset($_POST['submit']))
{
    $value1=$_POST['value1'];
    $value2=$_POST['value2'];
    $sign=$_POST['sign'];
    ...
        //Adding to $result variable
    if($sign=='-') {
      $result = $value1-$value2;
    }
    //Rest of your code...
}
?>
<html>
<!--Rest of your tags...-->
Result:<br><input type"text" name="result" value = "<?php echo (isset($result))?$result:'';?>">

Source: stackoverflow.com

Similar codes

73 votes306 views6 answers
Show php all errors
PHP
4 votes397 views2 answers
Wp get_posts return ids
PHP Wordpress
0 vote412 views1 answer
Comment supprimer les éléments liés à WordPress oEmbed
PHP Wordpress
0 vote302 views1 answer
- tijsverkoyen/css-to-inline-styles 2.2.3 requires ext-dom * -> the requested PHP extension dom is missing from your system.
PHP
0 vote335 views1 answer
Vivo.sx api php
PHP
0 vote446 views1 answer
Download yii 1.1
PHP Yii
0 vote317 views1 answer
Textarea autocomplete phpmyadmin style
PHP
2 votes330 views1 answer
Laravel model wherein update
PHP
0 vote298 views1 answer
Laravel return redirect by stuckOverFlow
PHP
0 vote296 views3 answers
Laravel has many deep
PHP