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Simplify a5 booklet code example #161

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Simplify a5 booklet code example #161

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85 changes: 50 additions & 35 deletions real-life-examples/a5-booklet.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@ This script was written to create a new PDF file based on a pre-existing PDF doc
into an A5 booklet ready for duplex printing. Page order is adjusted, and page orientation is rotated so that
it prints a landscape booklet.

## For mpdf 8.0

```php
<?php
// require composer autoload
Expand All @@ -25,60 +27,73 @@ $mpdf = new \Mpdf\Mpdf([
'margin_footer' => 0,
]);

$mpdf->SetImportUse(); // only with mPDF <8.0

$ow = $mpdf->h;
$oh = $mpdf->w;
$pw = $mpdf->w / 2;
$ph = $mpdf->h;

$mpdf->SetDisplayMode('fullpage');

$pagecount = $mpdf->SetSourceFile('A4sourcefile.pdf');
$pp = GetBookletPages($pagecount);

foreach ($pp as $v) {

for ($i = 1; $i <= $pagecount; $i++) {
$mpdf->AddPage();

if ($v[0] > 0 && $v[0] <= $pagecount) {
$tplIdx = $mpdf->ImportPage($v[0], 0, 0, $ow, $oh);
$mpdf->UseTemplate($tplIdx, 0, 0, $pw, $ph);
}
// add odd pages on the left side
$tplId = $mpdf->importPage($i);
$mpdf->useTemplate($tplId, 0, 0, $pw, $ph);

if ($v[1] > 0 && $v[1] <= $pagecount) {
$tplIdx = $mpdf->ImportPage($v[1], 0, 0, $ow, $oh);
$mpdf->UseTemplate($tplIdx, $pw, 0, $pw, $ph);
}
// add even pages on the right side
++$i;
if ($i <= $pagecount) {
$tplId = $mpdf2->importPage($i);
$mpdf2->useTemplate($tplId, $pw, 0, $pw, $ph);
}
}

$mpdf->Output();
exit;
```

function GetBookletPages($np, $backcover = true) {
$lastpage = $np;
$np = 4 * ceil($np / 4);
$pp = [];

for ($i = 1; $i <= $np / 2; $i++) {
## For mpdf <8.0

$p1 = $np - $i + 1;
```php
<?php
// require composer autoload
require __DIR__ . '/vendor/autoload.php';

if ($backcover) {
if ($i == 1) {
$p1 = $lastpage;
} elseif ($p1 >= $lastpage) {
$p1 = 0;
}
}
$mpdf = new \Mpdf\Mpdf([
'format' => 'A4-L',
'margin_left' => 0,
'margin_right' => 0,
'margin_top' => 0,
'margin_bottom' => 0,
'margin_header' => 0,
'margin_footer' => 0,
]);

$pp[] = ($i % 2 == 1)
? [ $p1, $i ]
: [ $i, $p1 ];
}
$mpdf->SetImportUse();

return $pp;
}
$ow = $mpdf->h;
$oh = $mpdf->w;
$pw = $mpdf->w / 2;
$ph = $mpdf->h;

```
$mpdf->SetDisplayMode('fullpage');

$pagecount = $mpdf->SetSourceFile('A4sourcefile.pdf');

for ($i = 1; $i <= $pagecount; $i++) {
$mpdf->AddPage();

// add odd pages on the left side
$tplIdx = $mpdf->ImportPage($i, 0, 0, $ow, $oh);
$mpdf->UseTemplate($tplIdx, 0, 0, $pw, $ph);

// add even pages on the right side
++$i;
if ($i <= $pagecount) {
$tplIdx = $mpdf->ImportPage($i, 0, 0, $ow, $oh);
$mpdf->UseTemplate($tplIdx, $pw, 0, $pw, $ph);
}
}
```