commit 08-2025

app/Libraries/MyPDFMerger.php

@@ -0,0 +1,188 @@
+<?php
+namespace App\Libraries;
+
+//use FPDI in myMerge v2
+//use FPDF;
+//use FPDI;
+
+class MyPDFMerger
+{
+    private $_files;    //['form.pdf']  ["1,2,4, 5-19"]
+    private $_fpdi;
+
+    
+    public function __construct()
+    {
+       /* if(!class_exists("FPDF")) {
+            require_once(__DIR__.'/fpdf/fpdf.php');
+        }
+        if(!class_exists("FPDI")) {
+            require_once(__DIR__.'/fpdi/fpdi.php');
+        }*/
+    }
+
+    public function addPDF($filepath, $pages = 'all')
+    {
+        if (file_exists($filepath)) {
+            if (strtolower($pages) != 'all') {
+                $pages = $this->_rewritepages($pages);
+            }
+
+            $this->_files[] = array($filepath, $pages);
+        } else {
+            throw new \exception("Could not locate PDF on '$filepath'");
+        }
+
+        return $this;
+    }
+
+
+    public function myMerge($outputmode = 'browser', $outputpath = 'newfile.pdf', $theme = false)
+    {
+        if (!isset($this->_files) || !is_array($this->_files)): throw new \exception("No PDFs to merge."); endif;
+
+        $fpdi = new \setasign\Fpdi\Fpdi();
+        $first = 1;
+
+        //
+        //merger operations
+        foreach ($this->_files as $file) {
+            $filename = $file[0];
+            $filepages = $file[1];
+
+
+            $count = $fpdi->setSourceFile($filename);
+
+            //add the pages
+            if ($filepages == 'all') {
+                for ($i = 1; $i <= $count; $i++) {
+                    $count = $fpdi->setSourceFile($filename);
+                    $template = $fpdi->importPage($i);
+                    $size = $fpdi->getTemplateSize($template);
+                    $orientation = ($size['height'] > $size['width']) ? 'P' : 'L';
+
+                    $fpdi->AddPage($orientation, array($size['width'], $size['height']));
+                    if($theme){
+                        $fpdi->setSourceFile(__DIR__ . '/../../public/pdf/'.$theme.'-'.$first.'.pdf');
+                        if($first == 1){
+                            $first = 2;
+                        }
+                        $backId = $fpdi->importPage(1);
+                        $fpdi->useTemplate($backId);
+
+                    }
+                    $fpdi->useTemplate($template);
+                }
+            } else {
+                foreach ($filepages as $page) {
+                    $count = $fpdi->setSourceFile($filename);
+                    if (!$template = $fpdi->importPage($page)): throw new \exception("Could not load page '$page' in PDF '$filename'. Check that the page exists."); endif;
+                    $size = $fpdi->getTemplateSize($template);
+                    $orientation = ($size['h'] > $size['w']) ? 'P' : 'L';
+
+                    $fpdi->AddPage($orientation, array($size['w'], $size['h']));
+                    if($theme){
+                        $fpdi->setSourceFile(__DIR__ . '/../../public/pdf/'.$theme.'-'.$first.'.pdf');
+                        if($first == 1){
+                            $first = 2;
+                        }
+                        $backId = $fpdi->importPage(1);
+                        $fpdi->useTemplate($backId);
+                    }
+
+                    $fpdi->useTemplate($template);
+                }
+            }
+            //after first file (invoice) on bpaper
+            $slug = false;
+        }
+
+        //output operations
+        $mode = $this->_switchmode($outputmode);
+
+        if ($mode == 'S') {
+            return $fpdi->Output($outputpath, 'S');
+        } else {
+            if ($fpdi->Output($outputpath, $mode) == '') {
+                return true;
+            } else {
+                throw new \exception("Error outputting PDF to '$outputmode'.");
+                return false;
+            }
+        }
+
+
+    }
+
+        /**
+     * FPDI uses single characters for specifying the output location. Change our more descriptive string into proper format.
+     * @param $mode
+     * @return Character
+     */
+    private function _switchmode($mode)
+    {
+        switch (strtolower($mode)) {
+            case 'download':
+                return 'D';
+                break;
+            case 'browser':
+                return 'I';
+                break;
+            case 'file':
+                return 'F';
+                break;
+            case 'string':
+                return 'S';
+                break;
+            default:
+                return 'I';
+                break;
+        }
+    }
+
+      /**
+     * Takes our provided pages in the form of 1,3,4,16-50 and creates an array of all pages
+     * @param $pages
+     * @return array
+     * @throws exception
+     */
+    private function _rewritepages($pages)
+    {
+        $pages = str_replace(' ', '', $pages);
+        $part = explode(',', $pages);
+
+        //parse hyphens
+        foreach ($part as $i) {
+            $ind = explode('-', $i);
+
+            if (count($ind) == 2) {
+                $x = $ind[0]; //start page
+                $y = $ind[1]; //end page
+
+                if ($x > $y): throw new \exception("Starting page, '$x' is greater than ending page '$y'.");
+                    return false; endif;
+
+                //add middle pages
+                while ($x <= $y): $newpages[] = (int)$x;
+                    $x++; endwhile;
+            } else {
+                $newpages[] = (int)$ind[0];
+            }
+        }
+
+        return $newpages;
+    }
+}
+
+
+/*
+$pdf = new PDFMerger;
+
+$pdf->addPDF('samplepdfs/one.pdf', '1, 3, 4')
+	->addPDF('samplepdfs/two.pdf', '1-2')
+	->addPDF('samplepdfs/three.pdf', 'all')
+	->merge('file', 'samplepdfs/TEST2.pdf');
+
+	//REPLACE 'file' WITH 'browser', 'download', 'string', or 'file' for output options
+	//You do not need to give a file path for browser, string, or download - just the name.
+*/