This post is used to handle the html form and display the current function calling $_php_self .
Code:
<?php
if( $_POST["name"] || $_POST["age"] )
{
echo "Welcome ". $_POST['name']. "<br />";
echo "Your age is ". $_POST['age']. " years old.";
}
?>
<html>
<body>
<form action="<?php $_PHP_SELF ?>" method="POST">
Name: <input type="text" name="name" />
Age: <input type="text" name="age" />
<input type="submit" />
</form>
</body>
</html>
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