What common issues can arise when using PHP in combination with JavaScript for opening windows?

One common issue when using PHP in combination with JavaScript for opening windows is that the PHP code may not properly pass the necessary data to the JavaScript function. To solve this, you can use PHP to echo out the data as a JavaScript variable before calling the JavaScript function. 

<?php
// PHP code to pass data to JavaScript function for opening window
$data = "Hello, World!";
echo "<script>var data = '$data';</script>";
?>

Keywords

PHP JavaScript window.open cross-origin security vulnerabilities

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