Delete JavaScript
This demo let you remove document level JavaScript of an existing PDF document.
PHP
<?php // load and register the autoload function require_once '../../../../../bootstrap.php'; // prepare some files $files = [ $assetsDirectory . '/pdfs/Actions.pdf', $assetsDirectory . '/pdfs/Fact-Sheet-form.pdf' ]; $path = displayFiles($files); // create a document $document = \SetaPDF_Core_Document::loadByFilename($path); // get names $names = $document->getCatalog()->getNames(); // get the JavaScript name tree $javaScriptTree = $names->getTree(\SetaPDF_Core_Document_Catalog_Names::JAVA_SCRIPT); $out = ''; $shouldSave = false; if ($javaScriptTree) { // walk through all java scripts foreach ($javaScriptTree->getAll(true) as $name) { $out .= 'Remove: <a href="?f=' . urlencode($_GET['f']) . '&name=' . urlencode($name) . '">' . htmlspecialchars($name) . "</a><br />"; if (isset($_GET['name']) && $_GET['name'] === $name) { $javaScriptTree->remove($name); $shouldSave = true; } } if ($shouldSave) { $writer = new \SetaPDF_Core_Writer_Http(); $document->setWriter($writer); $document->save()->finish(); die(); } } else { $out = 'No document level JavaScript found!'; } echo $out;