Answers for "what is isset in php?"

PHP
1

isset function in php

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="" method="post">
        <h1>ISSET Demo</h1>
        <input type="submit" value="Click here" name="btn1">
    </form>
</body>
</html>
<?php
if(isset($_POST['btn1']))
{
    echo "button was set!";
}
?>
Posted by: Guest on September-10-2021
0

isset php

$variable=isset($otravariable);
Posted by: Guest on June-21-2021

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