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PHP Exercises : Redirect a user to a different page

PHP : Exercise-11 with Solution

Write a PHP script to redirect a user to a different page.

Sample Solution:

PHP Code:

<?php
// Use the header function to send a raw HTTP header
// In this case, the header function is used to perform a redirection
// The 'Location' header specifies the URL to which the user will be redirected
header('Location: https://www.w3resource.com/');
?>

Explanation:

  • PHP Opening Tag: <?php is used to open a PHP script.
  • Header Function:
    • The header() function is a PHP function that sends a raw HTTP header to the client.
    • In this example, the function is used to set a redirection header.
  • Location Header:
    • The header('Location: https://www.w3resource.com/'); line tells the browser to redirect to the specified URL (https://www.w3resource.com/).
    • The "Location" header indicates the new destination for the browser.
  • Redirection Behavior:
    • When this code is executed, the user's browser automatically navigates to the specified URL.
    • No additional HTML or PHP output is sent to the browser after this redirection command if it's followed immediately by a script termination (recommended best practice).
  • Important Note:
    • It's a best practice to use exit(); or die(); right after the header() function to stop further code execution, ensuring the redirection happens immediately.

Output:

View the output in the browser

header() function:

Syntax:

void header ( string $header [, bool $replace = TRUE [, int $http_response_code ]] )

header() is used to send a raw HTTP header.

Parameters:

  • header: The header string.
  • replace: The optional replace parameter indicates whether the header should replace a previous similar header, or add a second header of the same type.
  • http_response_code: Forces the HTTP response code to the specified value. Note that this parameter only has an effect if the header is not empty.

Flowchart:

Flowchart: Redirect a user to a different page

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https://w3resource.com/php-exercises/php-basic-exercise-11.php