Answers for "php change get values from url"

getting values from url php

$id = $_GET['id'];
// OR

$id = $_REQUEST['id'];

php get value from url

<a href="index.php?id=<?php echo $my_id;?>&name=<?php echo $my_name;?>Click</a>

<?php
$id = intval($_GET['id']);		// integer value
$name = strval($_GET['name']);	// string value
?>

php change get value in a link

preg_replace("#&d=.*&#", '&d=newvalue&', $_SERVER['REQUEST_URI'])