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$_POST super global variable in PHP

$_POST is used to collect data after submitting html forms.

$_POST return associative array.

<?php
    if(isset($_POST['submit'])){
        echo $_POST['name'];
    }
?>

<form name="register" method="post" action="">  
     Name <input type="text" name="name">
     <input type="submit" name="submit" id="submit" value="submit now">
</form>

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