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Forms in PHP

Tutorial Title: Forms in PHP
Course: PHP
Instructor: Muhammad Samim




1. $_POST is a global super variable
2. It picks up the data in post forms

3. Declaring form
  • <form action=""></form> //Or in Bracket editor just type form and press tab button rest will be come automatically
4.Declaring input in form and some types of it
  • <input type="text">           //for text box
  • <input type="password"> //for password
  • <input type="submit">    //for submit button

5. Declaring placeholder in input inside form
  • <input type="text" placeholder="Email"> //Email will be displayed inside the textbox
  • <input type="password" placeholder="Password"> //Password will be displayed inside password box

6. Complete coding to understand

<?php       //It will not be executed unless we don't click or enter the submit button
if(isset($_POST["anyName"])) //isset is a function and $_POST is global associated array thats why we use isset and anyName is declared in submit input type's name="anyName"
{
    echo "It Has been clicked";
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <form action="21form.php" method="post">  //21form.php is a page name to be directed
       <input type="text" placeholder="Email">
       <input type="password" placeholder="Password">
       <br>
       <input type="submit" name="anyName">  //name="anyName" is used to submit and post the data to global variable $_POST and anyName should be same in if condition and here
    </form>
 
</body>
</html>

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