What are some common pitfalls when using multiple parameters in PHP links?

One common pitfall when using multiple parameters in PHP links is not properly encoding the parameters, which can lead to errors or security vulnerabilities. To solve this, it is important to use the `urlencode()` function to encode the parameters before appending them to the URL. 

<?php
$param1 = 'value1';
$param2 = 'value2';

$url = 'example.com/page.php?param1=' . urlencode($param1) . '&param2=' . urlencode($param2);

echo '<a href="' . $url . '">Link</a>';
?>

Keywords

PHP parameters links URL validation

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