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<?php
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/**
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* @file
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* Generate a PDF for the print_pdf module using the mPDF library.
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*
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* @ingroup print
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*/
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/**
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* Implements hook_pdf_tool_info().
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*/
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function print_pdf_mpdf_pdf_tool_info() {
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$info = array(
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'name' => 'mPDF',
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'url' => 'https://github.com/mpdf/mpdf/releases/latest',
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'expand_css' => FALSE,
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'public_dirs' => array(
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'ttfontdata',
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'tmp',
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),
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);
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$pdf_tool = explode('|', variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT));
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if (!isset($pdf_tool[1]) || print_pdf_mpdf_pdf_tool_version($pdf_tool[1]) !== '>= 7.x') {
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$info['tool_dirs'] = array(
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'graph_cache',
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);
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}
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return $info;
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}
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/**
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* Implements hook_pdf_tool_version().
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*/
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function print_pdf_mpdf_pdf_tool_version($pdf_tool) {
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if (file_exists(DRUPAL_ROOT . '/' . $pdf_tool)) {
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include_once DRUPAL_ROOT . '/' . $pdf_tool;
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}
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if (defined('mPDF_VERSION')) {
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return mPDF_VERSION;
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}
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else {
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// Version 7 of the mpdf library uses a composer autoloader.
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// Also there no longer is a way to truly detect the library version, so
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// this seems like the best alternative.
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$mpdf_version_7_plus = strpos($pdf_tool, 'autoload.php') !== FALSE;
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if ($mpdf_version_7_plus) {
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return '>= 7.x';
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}
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else {
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return 'unknown';
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}
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}
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}
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/**
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* Implements hook_print_pdf_available_libs_alter().
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*/
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function print_pdf_mpdf_print_pdf_available_libs_alter(&$pdf_tools) {
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module_load_include('inc', 'print', 'includes/print');
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$tools = _print_scan_libs('mpdf', '!^mpdf.php$!');
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foreach ($tools as $tool) {
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$pdf_tools['print_pdf_mpdf|' . $tool] = 'mPDF (' . dirname($tool) . ')';
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}
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// mPDF >= 7.0 uses a composer autoloader.
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$tools = _print_scan_libs('mpdf', '!^autoload.php$!');
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foreach ($tools as $tool) {
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if (preg_match('!mpdf.*?/vendor/autoload.php$!', $tool)) {
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$pdf_tools['print_pdf_mpdf|' . $tool] = 'mPDF (' . dirname($tool) . ')';
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}
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}
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}
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