FTwex / fpdf-symfony2

lib/FPDF/src/fpdf.php

<?php

/*******************************************************************************

* FPDF                                                                         *

*                                                                              *

* Version: 1.81                                                                *

* Date:    2015-12-20                                                          *

* Author:  Olivier PLATHEY                                                     *

*******************************************************************************/


define('FPDF_VERSION','1.81');


class FPDF

PSR1 recommends that each class must be in a namespace of at least one level to avoid collisions.

{

protected $page;               // current page number

protected $n;                  // current object number

protected $offsets;            // array of object offsets

protected $buffer;             // buffer holding in-memory PDF

protected $pages;              // array containing pages

protected $state;              // current document state

protected $compress;           // compression flag

protected $k;                  // scale factor (number of points in user unit)

protected $DefOrientation;     // default orientation

protected $CurOrientation;     // current orientation

protected $StdPageSizes;       // standard page sizes

protected $DefPageSize;        // default page size

protected $CurPageSize;        // current page size

protected $CurRotation;        // current page rotation

protected $PageInfo;           // page-related data

protected $wPt, $hPt;          // dimensions of current page in points

It is generally advisable to only define one property per statement.

protected $w, $h;              // dimensions of current page in user unit

It is generally advisable to only define one property per statement.

protected $lMargin;            // left margin

protected $tMargin;            // top margin

protected $rMargin;            // right margin

protected $bMargin;            // page break margin

protected $cMargin;            // cell margin

protected $x, $y;              // current position in user unit

It is generally advisable to only define one property per statement.

protected $lasth;              // height of last printed cell

protected $LineWidth;          // line width in user unit

protected $fontpath;           // path containing fonts

protected $CoreFonts;          // array of core font names

protected $fonts;              // array of used fonts

protected $FontFiles;          // array of font files

protected $encodings;          // array of encodings

protected $cmaps;              // array of ToUnicode CMaps

protected $FontFamily;         // current font family

protected $FontStyle;          // current font style

protected $underline;          // underlining flag

protected $CurrentFont;        // current font info

protected $FontSizePt;         // current font size in points

protected $FontSize;           // current font size in user unit

protected $DrawColor;          // commands for drawing color

protected $FillColor;          // commands for filling color

protected $TextColor;          // commands for text color

protected $ColorFlag;          // indicates whether fill and text colors are different

protected $WithAlpha;          // indicates whether alpha channel is used

protected $ws;                 // word spacing

protected $images;             // array of used images

protected $PageLinks;          // array of links in pages

protected $links;              // array of internal links

protected $AutoPageBreak;      // automatic page breaking

protected $PageBreakTrigger;   // threshold used to trigger page breaks

protected $InHeader;           // flag set when processing header

protected $InFooter;           // flag set when processing footer

protected $AliasNbPages;       // alias for total number of pages

protected $ZoomMode;           // zoom display mode

protected $LayoutMode;         // layout display mode

protected $metadata;           // document properties

protected $PDFVersion;         // PDF version number


/*******************************************************************************

*                               Public methods                                 *

*******************************************************************************/


function __construct($orientation='P', $unit='mm', $size='A4')

It is generally recommended to explicitly declare the visibility for methods.

{

	// Some checks

	$this->_dochecks();

	// Initialization of properties

	$this->state = 0;

	$this->page = 0;

	$this->n = 2;

	$this->buffer = '';

	$this->pages = array();

	$this->PageInfo = array();

	$this->fonts = array();

	$this->FontFiles = array();

	$this->encodings = array();

	$this->cmaps = array();

	$this->images = array();

	$this->links = array();

	$this->InHeader = false;

	$this->InFooter = false;

	$this->lasth = 0;

	$this->FontFamily = '';

	$this->FontStyle = '';

	$this->FontSizePt = 12;

	$this->underline = false;

	$this->DrawColor = '0 G';

	$this->FillColor = '0 g';

	$this->TextColor = '0 g';

	$this->ColorFlag = false;

	$this->WithAlpha = false;

	$this->ws = 0;

	// Font path

	if(defined('FPDF_FONTPATH'))

	{

		$this->fontpath = FPDF_FONTPATH;

		if(substr($this->fontpath,-1)!='/' && substr($this->fontpath,-1)!='\\')

			$this->fontpath .= '/';

	}

	elseif(is_dir(dirname(__FILE__).'/font'))

		$this->fontpath = dirname(__FILE__).'/font/';

	else

		$this->fontpath = '';

	// Core fonts

	$this->CoreFonts = array('courier', 'helvetica', 'times', 'symbol', 'zapfdingbats');

	// Scale factor

	if($unit=='pt')

		$this->k = 1;

	elseif($unit=='mm')

		$this->k = 72/25.4;

	elseif($unit=='cm')

		$this->k = 72/2.54;

	elseif($unit=='in')

		$this->k = 72;

	else

		$this->Error('Incorrect unit: '.$unit);

	// Page sizes

	$this->StdPageSizes = array('a3'=>array(841.89,1190.55), 'a4'=>array(595.28,841.89), 'a5'=>array(420.94,595.28),

		'letter'=>array(612,792), 'legal'=>array(612,1008));

	$size = $this->_getpagesize($size);

	$this->DefPageSize = $size;

	$this->CurPageSize = $size;

	// Page orientation

	$orientation = strtolower($orientation);

	if($orientation=='p' || $orientation=='portrait')

	{

		$this->DefOrientation = 'P';

		$this->w = $size[0];

		$this->h = $size[1];

	}

	elseif($orientation=='l' || $orientation=='landscape')

	{

		$this->DefOrientation = 'L';

		$this->w = $size[1];

		$this->h = $size[0];

	}

	else

		$this->Error('Incorrect orientation: '.$orientation);

	$this->CurOrientation = $this->DefOrientation;

	$this->wPt = $this->w*$this->k;

	$this->hPt = $this->h*$this->k;

	// Page rotation

	$this->CurRotation = 0;

	// Page margins (1 cm)

	$margin = 28.35/$this->k;

	$this->SetMargins($margin,$margin);

	// Interior cell margin (1 mm)

	$this->cMargin = $margin/10;

	// Line width (0.2 mm)

	$this->LineWidth = .567/$this->k;

	// Automatic page break

	$this->SetAutoPageBreak(true,2*$margin);

	// Default display mode

	$this->SetDisplayMode('default');

	// Enable compression

	$this->SetCompression(true);

	// Set default PDF version number

	$this->PDFVersion = '1.3';

}


function SetMargins($left, $top, $right=null)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set left, top and right margins

	$this->lMargin = $left;

	$this->tMargin = $top;

	if($right===null)

		$right = $left;

	$this->rMargin = $right;

}


function SetLeftMargin($margin)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set left margin

	$this->lMargin = $margin;

	if($this->page>0 && $this->x<$margin)

		$this->x = $margin;

}


function SetTopMargin($margin)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set top margin

	$this->tMargin = $margin;

}


function SetRightMargin($margin)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set right margin

	$this->rMargin = $margin;

}


function SetAutoPageBreak($auto, $margin=0)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set auto page break mode and triggering margin

	$this->AutoPageBreak = $auto;

	$this->bMargin = $margin;

	$this->PageBreakTrigger = $this->h-$margin;

}


function SetDisplayMode($zoom, $layout='default')

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set display mode in viewer

	if($zoom=='fullpage' || $zoom=='fullwidth' || $zoom=='real' || $zoom=='default' || !is_string($zoom))

		$this->ZoomMode = $zoom;

	else

		$this->Error('Incorrect zoom display mode: '.$zoom);

	if($layout=='single' || $layout=='continuous' || $layout=='two' || $layout=='default')

		$this->LayoutMode = $layout;

	else

		$this->Error('Incorrect layout display mode: '.$layout);

}


function SetCompression($compress)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set page compression

	if(function_exists('gzcompress'))

		$this->compress = $compress;

	else

		$this->compress = false;

}


function SetTitle($title, $isUTF8=false)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Title of document

	$this->metadata['Title'] = $isUTF8 ? $title : utf8_encode($title);

}


function SetAuthor($author, $isUTF8=false)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Author of document

	$this->metadata['Author'] = $isUTF8 ? $author : utf8_encode($author);

}


function SetSubject($subject, $isUTF8=false)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Subject of document

	$this->metadata['Subject'] = $isUTF8 ? $subject : utf8_encode($subject);

}


function SetKeywords($keywords, $isUTF8=false)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Keywords of document

	$this->metadata['Keywords'] = $isUTF8 ? $keywords : utf8_encode($keywords);

}


function SetCreator($creator, $isUTF8=false)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Creator of document

	$this->metadata['Creator'] = $isUTF8 ? $creator : utf8_encode($creator);

}


function AliasNbPages($alias='{nb}')

It is generally recommended to explicitly declare the visibility for methods.

{

	// Define an alias for total number of pages

	$this->AliasNbPages = $alias;

}


function Error($msg)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Fatal error

	throw new Exception('FPDF error: '.$msg);

}


function Close()

It is generally recommended to explicitly declare the visibility for methods.

{

	// Terminate document

	if($this->state==3)

		return;

	if($this->page==0)

		$this->AddPage();

	// Page footer

	$this->InFooter = true;

	$this->Footer();

	$this->InFooter = false;

	// Close page

	$this->_endpage();

	// Close document

	$this->_enddoc();

}


function AddPage($orientation='', $size='', $rotation=0)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Start a new page

	if($this->state==3)

		$this->Error('The document is closed');

	$family = $this->FontFamily;

	$style = $this->FontStyle.($this->underline ? 'U' : '');

	$fontsize = $this->FontSizePt;

	$lw = $this->LineWidth;

	$dc = $this->DrawColor;

	$fc = $this->FillColor;

	$tc = $this->TextColor;

	$cf = $this->ColorFlag;

	if($this->page>0)

	{

		// Page footer

		$this->InFooter = true;

		$this->Footer();

		$this->InFooter = false;

		// Close page

		$this->_endpage();

	}

	// Start new page

	$this->_beginpage($orientation,$size,$rotation);

	// Set line cap style to square

	$this->_out('2 J');

	// Set line width

	$this->LineWidth = $lw;

	$this->_out(sprintf('%.2F w',$lw*$this->k));

	// Set font

	if($family)

		$this->SetFont($family,$style,$fontsize);

	// Set colors

	$this->DrawColor = $dc;

	if($dc!='0 G')

		$this->_out($dc);

	$this->FillColor = $fc;

	if($fc!='0 g')

		$this->_out($fc);

	$this->TextColor = $tc;

	$this->ColorFlag = $cf;

	// Page header

	$this->InHeader = true;

	$this->Header();

	$this->InHeader = false;

	// Restore line width

	if($this->LineWidth!=$lw)

	{

		$this->LineWidth = $lw;

		$this->_out(sprintf('%.2F w',$lw*$this->k));

	}

	// Restore font

	if($family)

		$this->SetFont($family,$style,$fontsize);

	// Restore colors

	if($this->DrawColor!=$dc)

	{

		$this->DrawColor = $dc;

		$this->_out($dc);

	}

	if($this->FillColor!=$fc)

	{

		$this->FillColor = $fc;

		$this->_out($fc);

	}

	$this->TextColor = $tc;

	$this->ColorFlag = $cf;

}


function Header()

It is generally recommended to explicitly declare the visibility for methods.

{

	// To be implemented in your own inherited class

}


function Footer()

It is generally recommended to explicitly declare the visibility for methods.

{

	// To be implemented in your own inherited class

}


function PageNo()

It is generally recommended to explicitly declare the visibility for methods.

{

	// Get current page number

	return $this->page;

}


function SetDrawColor($r, $g=null, $b=null)

It is generally recommended to explicitly declare the visibility for methods.

This method seems to be duplicated in your project.

{

	// Set color for all stroking operations

	if(($r==0 && $g==0 && $b==0) || $g===null)

		$this->DrawColor = sprintf('%.3F G',$r/255);

	else

		$this->DrawColor = sprintf('%.3F %.3F %.3F RG',$r/255,$g/255,$b/255);

	if($this->page>0)

		$this->_out($this->DrawColor);

}


function SetFillColor($r, $g=null, $b=null)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set color for all filling operations

	if(($r==0 && $g==0 && $b==0) || $g===null)

		$this->FillColor = sprintf('%.3F g',$r/255);

	else

		$this->FillColor = sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255);

	$this->ColorFlag = ($this->FillColor!=$this->TextColor);

	if($this->page>0)

		$this->_out($this->FillColor);

}


function SetTextColor($r, $g=null, $b=null)

It is generally recommended to explicitly declare the visibility for methods.

This method seems to be duplicated in your project.

{

	// Set color for text

	if(($r==0 && $g==0 && $b==0) || $g===null)

		$this->TextColor = sprintf('%.3F g',$r/255);

	else

		$this->TextColor = sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255);

	$this->ColorFlag = ($this->FillColor!=$this->TextColor);

}


function GetStringWidth($s)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Get width of a string in the current font

	$s = (string)$s;

	$cw = &$this->CurrentFont['cw'];

	$w = 0;

	$l = strlen($s);

	for($i=0;$i<$l;$i++)

		$w += $cw[$s[$i]];

	return $w*$this->FontSize/1000;

}


function SetLineWidth($width)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set line width

	$this->LineWidth = $width;

	if($this->page>0)

		$this->_out(sprintf('%.2F w',$width*$this->k));

}


function Line($x1, $y1, $x2, $y2)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Draw a line

	$this->_out(sprintf('%.2F %.2F m %.2F %.2F l S',$x1*$this->k,($this->h-$y1)*$this->k,$x2*$this->k,($this->h-$y2)*$this->k));

}


function Rect($x, $y, $w, $h, $style='')

It is generally recommended to explicitly declare the visibility for methods.

{

	// Draw a rectangle

	if($style=='F')

		$op = 'f';

	elseif($style=='FD' || $style=='DF')

		$op = 'B';

	else

		$op = 'S';

	$this->_out(sprintf('%.2F %.2F %.2F %.2F re %s',$x*$this->k,($this->h-$y)*$this->k,$w*$this->k,-$h*$this->k,$op));

}


function AddFont($family, $style='', $file='')

It is generally recommended to explicitly declare the visibility for methods.

{

	// Add a TrueType, OpenType or Type1 font

	$family = strtolower($family);

	if($file=='')

This code seems to be duplicated across your project.

		$file = str_replace(' ','',$family).strtolower($style).'.php';

	$style = strtoupper($style);

	if($style=='IB')

		$style = 'BI';

	$fontkey = $family.$style;

	if(isset($this->fonts[$fontkey]))

		return;

	$info = $this->_loadfont($file);

	$info['i'] = count($this->fonts)+1;

	if(!empty($info['file']))

	{

		// Embedded font

		if($info['type']=='TrueType')

			$this->FontFiles[$info['file']] = array('length1'=>$info['originalsize']);

		else

			$this->FontFiles[$info['file']] = array('length1'=>$info['size1'], 'length2'=>$info['size2']);

	}

	$this->fonts[$fontkey] = $info;

}


function SetFont($family, $style='', $size=0)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Select a font; size given in points

	if($family=='')

		$family = $this->FontFamily;

	else

		$family = strtolower($family);

	$style = strtoupper($style);

	if(strpos($style,'U')!==false)

	{

		$this->underline = true;

		$style = str_replace('U','',$style);

	}

	else

		$this->underline = false;

	if($style=='IB')

		$style = 'BI';

	if($size==0)

		$size = $this->FontSizePt;

	// Test if font is already selected

	if($this->FontFamily==$family && $this->FontStyle==$style && $this->FontSizePt==$size)

		return;

	// Test if font is already loaded

	$fontkey = $family.$style;

	if(!isset($this->fonts[$fontkey]))

	{

		// Test if one of the core fonts

		if($family=='arial')

			$family = 'helvetica';

		if(in_array($family,$this->CoreFonts))

		{

			if($family=='symbol' || $family=='zapfdingbats')

				$style = '';

			$fontkey = $family.$style;

			if(!isset($this->fonts[$fontkey]))

				$this->AddFont($family,$style);

		}

		else

			$this->Error('Undefined font: '.$family.' '.$style);

	}

	// Select it

	$this->FontFamily = $family;

	$this->FontStyle = $style;

	$this->FontSizePt = $size;

	$this->FontSize = $size/$this->k;

	$this->CurrentFont = &$this->fonts[$fontkey];

	if($this->page>0)

This code seems to be duplicated across your project.

		$this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt));

}


function SetFontSize($size)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set font size in points

	if($this->FontSizePt==$size)

		return;

	$this->FontSizePt = $size;

	$this->FontSize = $size/$this->k;

	if($this->page>0)

This code seems to be duplicated across your project.

		$this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt));

}


function AddLink()

It is generally recommended to explicitly declare the visibility for methods.

{

	// Create a new internal link

	$n = count($this->links)+1;

	$this->links[$n] = array(0, 0);

	return $n;

}


function SetLink($link, $y=0, $page=-1)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set destination of internal link

	if($y==-1)

		$y = $this->y;

	if($page==-1)

		$page = $this->page;

	$this->links[$link] = array($page, $y);

}


function Link($x, $y, $w, $h, $link)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Put a link on the page

	$this->PageLinks[$this->page][] = array($x*$this->k, $this->hPt-$y*$this->k, $w*$this->k, $h*$this->k, $link);

}


function Text($x, $y, $txt)

It is generally recommended to explicitly declare the visibility for methods.

This method seems to be duplicated in your project.

{

	// Output a string

	if(!isset($this->CurrentFont))

		$this->Error('No font has been set');

	$s = sprintf('BT %.2F %.2F Td (%s) Tj ET',$x*$this->k,($this->h-$y)*$this->k,$this->_escape($txt));

	if($this->underline && $txt!='')

		$s .= ' '.$this->_dounderline($x,$y,$txt);

	if($this->ColorFlag)

		$s = 'q '.$this->TextColor.' '.$s.' Q';

	$this->_out($s);

}


function AcceptPageBreak()

It is generally recommended to explicitly declare the visibility for methods.

{

	// Accept automatic page break or not

	return $this->AutoPageBreak;

}


function Cell($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=false, $link='')

It is generally recommended to explicitly declare the visibility for methods.

{

	// Output a cell

	$k = $this->k;

	if($this->y+$h>$this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak())

	{

		// Automatic page break

		$x = $this->x;

		$ws = $this->ws;

		if($ws>0)

		{

			$this->ws = 0;

			$this->_out('0 Tw');

		}

		$this->AddPage($this->CurOrientation,$this->CurPageSize,$this->CurRotation);

		$this->x = $x;

		if($ws>0)

This code seems to be duplicated across your project.

		{

			$this->ws = $ws;

			$this->_out(sprintf('%.3F Tw',$ws*$k));

		}

	}

	if($w==0)

		$w = $this->w-$this->rMargin-$this->x;

	$s = '';

	if($fill || $border==1)

	{

		if($fill)

			$op = ($border==1) ? 'B' : 'f';

		else

			$op = 'S';

		$s = sprintf('%.2F %.2F %.2F %.2F re %s ',$this->x*$k,($this->h-$this->y)*$k,$w*$k,-$h*$k,$op);

	}

	if(is_string($border))

	{

		$x = $this->x;

		$y = $this->y;

		if(strpos($border,'L')!==false)

			$s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-$y)*$k,$x*$k,($this->h-($y+$h))*$k);

		if(strpos($border,'T')!==false)

			$s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-$y)*$k);

		if(strpos($border,'R')!==false)

This code seems to be duplicated across your project.

			$s .= sprintf('%.2F %.2F m %.2F %.2F l S ',($x+$w)*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-($y+$h))*$k);

		if(strpos($border,'B')!==false)

This code seems to be duplicated across your project.

			$s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-($y+$h))*$k,($x+$w)*$k,($this->h-($y+$h))*$k);

	}

	if($txt!=='')

	{

		if(!isset($this->CurrentFont))

			$this->Error('No font has been set');

		if($align=='R')

This code seems to be duplicated across your project.

			$dx = $w-$this->cMargin-$this->GetStringWidth($txt);

		elseif($align=='C')

			$dx = ($w-$this->GetStringWidth($txt))/2;

		else

			$dx = $this->cMargin;

		if($this->ColorFlag)

			$s .= 'q '.$this->TextColor.' ';

		$s .= sprintf('BT %.2F %.2F Td (%s) Tj ET',($this->x+$dx)*$k,($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k,$this->_escape($txt));

		if($this->underline)

This code seems to be duplicated across your project.

			$s .= ' '.$this->_dounderline($this->x+$dx,$this->y+.5*$h+.3*$this->FontSize,$txt);

		if($this->ColorFlag)

			$s .= ' Q';

		if($link)

This code seems to be duplicated across your project.

			$this->Link($this->x+$dx,$this->y+.5*$h-.5*$this->FontSize,$this->GetStringWidth($txt),$this->FontSize,$link);

	}

	if($s)

		$this->_out($s);

	$this->lasth = $h;

	if($ln>0)

This code seems to be duplicated across your project.

	{

		// Go to next line

		$this->y += $h;

		if($ln==1)

			$this->x = $this->lMargin;

	}

	else

		$this->x += $w;

}


function MultiCell($w, $h, $txt, $border=0, $align='J', $fill=false)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Output text with automatic or explicit line breaks

	if(!isset($this->CurrentFont))

		$this->Error('No font has been set');

	$cw = &$this->CurrentFont['cw'];

	if($w==0)

		$w = $this->w-$this->rMargin-$this->x;

	$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;

	$s = str_replace("\r",'',$txt);

	$nb = strlen($s);

	if($nb>0 && $s[$nb-1]=="\n")

		$nb--;

	$b = 0;

	if($border)

	{

		if($border==1)

		{

			$border = 'LTRB';

			$b = 'LRT';

			$b2 = 'LR';

		}

		else

		{

			$b2 = '';

			if(strpos($border,'L')!==false)

				$b2 .= 'L';

			if(strpos($border,'R')!==false)

				$b2 .= 'R';

			$b = (strpos($border,'T')!==false) ? $b2.'T' : $b2;

		}

	}

	$sep = -1;

	$i = 0;

	$j = 0;

	$l = 0;

	$ns = 0;

	$nl = 1;

	while($i<$nb)

	{

		// Get next character

		$c = $s[$i];

		if($c=="\n")

		{

			// Explicit line break

			if($this->ws>0)

			{

				$this->ws = 0;

				$this->_out('0 Tw');

			}

			$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);

			$i++;

			$sep = -1;

			$j = $i;

			$l = 0;

			$ns = 0;

			$nl++;

			if($border && $nl==2)

				$b = $b2;

The variable $b2 does not seem to be defined for all execution paths leading up to this point.

			continue;

		}

		if($c==' ')

		{

			$sep = $i;

			$ls = $l;

			$ns++;

		}

		$l += $cw[$c];

		if($l>$wmax)

		{

			// Automatic line break

			if($sep==-1)

			{

				if($i==$j)

					$i++;

				if($this->ws>0)

				{

					$this->ws = 0;

					$this->_out('0 Tw');

				}

				$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);

			}

			else

			{

				if($align=='J')

				{

					$this->ws = ($ns>1) ? ($wmax-$ls)/1000*$this->FontSize/($ns-1) : 0;

The variable $ls does not seem to be defined for all execution paths leading up to this point.

					$this->_out(sprintf('%.3F Tw',$this->ws*$this->k));

				}

				$this->Cell($w,$h,substr($s,$j,$sep-$j),$b,2,$align,$fill);

				$i = $sep+1;

			}

			$sep = -1;

			$j = $i;

			$l = 0;

			$ns = 0;

			$nl++;

			if($border && $nl==2)

				$b = $b2;

		}

		else

			$i++;

	}

	// Last chunk

	if($this->ws>0)

	{

		$this->ws = 0;

		$this->_out('0 Tw');

	}

	if($border && strpos($border,'B')!==false)

		$b .= 'B';

	$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);

	$this->x = $this->lMargin;

}


function Write($h, $txt, $link='')

It is generally recommended to explicitly declare the visibility for methods.

{

	// Output text in flowing mode

	if(!isset($this->CurrentFont))

		$this->Error('No font has been set');

	$cw = &$this->CurrentFont['cw'];

	$w = $this->w-$this->rMargin-$this->x;

	$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;

	$s = str_replace("\r",'',$txt);

	$nb = strlen($s);

	$sep = -1;

	$i = 0;

	$j = 0;

	$l = 0;

	$nl = 1;

	while($i<$nb)

	{

		// Get next character

		$c = $s[$i];

		if($c=="\n")

		{

			// Explicit line break

			$this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',false,$link);

			$i++;

			$sep = -1;

			$j = $i;

			$l = 0;

			if($nl==1)

This code seems to be duplicated across your project.

			{

				$this->x = $this->lMargin;

				$w = $this->w-$this->rMargin-$this->x;

				$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;

			}

			$nl++;

			continue;

		}

		if($c==' ')

			$sep = $i;

		$l += $cw[$c];

		if($l>$wmax)

		{

			// Automatic line break

			if($sep==-1)

			{

				if($this->x>$this->lMargin)

				{

					// Move to next line

					$this->x = $this->lMargin;

					$this->y += $h;

					$w = $this->w-$this->rMargin-$this->x;

					$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;

					$i++;

					$nl++;

					continue;

				}

				if($i==$j)

					$i++;

				$this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',false,$link);

			}

			else

			{

				$this->Cell($w,$h,substr($s,$j,$sep-$j),0,2,'',false,$link);

				$i = $sep+1;

			}

			$sep = -1;

			$j = $i;

			$l = 0;

			if($nl==1)

This code seems to be duplicated across your project.

			{

				$this->x = $this->lMargin;

				$w = $this->w-$this->rMargin-$this->x;

				$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;

			}

			$nl++;

		}

		else

			$i++;

	}

	// Last chunk

	if($i!=$j)

		$this->Cell($l/1000*$this->FontSize,$h,substr($s,$j),0,0,'',false,$link);

}


function Ln($h=null)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Line feed; default value is the last cell height

	$this->x = $this->lMargin;

	if($h===null)

		$this->y += $this->lasth;

	else

		$this->y += $h;

}


function Image($file, $x=null, $y=null, $w=0, $h=0, $type='', $link='')

It is generally recommended to explicitly declare the visibility for methods.

{

	// Put an image on the page

	if($file=='')

		$this->Error('Image file name is empty');

	if(!isset($this->images[$file]))

	{

		// First use of this image, get info

		if($type=='')

		{

			$pos = strrpos($file,'.');

			if(!$pos)

				$this->Error('Image file has no extension and no type was specified: '.$file);

			$type = substr($file,$pos+1);

		}

		$type = strtolower($type);

		if($type=='jpeg')

			$type = 'jpg';

		$mtd = '_parse'.$type;

		if(!method_exists($this,$mtd))

			$this->Error('Unsupported image type: '.$type);

		$info = $this->$mtd($file);

		$info['i'] = count($this->images)+1;

		$this->images[$file] = $info;

	}

	else

		$info = $this->images[$file];


	// Automatic width and height calculation if needed

	if($w==0 && $h==0)

	{

		// Put image at 96 dpi

		$w = -96;

		$h = -96;

	}

	if($w<0)

		$w = -$info['w']*72/$w/$this->k;

	if($h<0)

		$h = -$info['h']*72/$h/$this->k;

	if($w==0)

		$w = $h*$info['w']/$info['h'];

	if($h==0)

		$h = $w*$info['h']/$info['w'];


	// Flowing mode

	if($y===null)

	{

		if($this->y+$h>$this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak())

		{

			// Automatic page break

			$x2 = $this->x;

			$this->AddPage($this->CurOrientation,$this->CurPageSize,$this->CurRotation);

			$this->x = $x2;

		}

		$y = $this->y;

		$this->y += $h;

	}


	if($x===null)

		$x = $this->x;

	$this->_out(sprintf('q %.2F 0 0 %.2F %.2F %.2F cm /I%d Do Q',$w*$this->k,$h*$this->k,$x*$this->k,($this->h-($y+$h))*$this->k,$info['i']));

	if($link)

		$this->Link($x,$y,$w,$h,$link);

}


function GetPageWidth()

It is generally recommended to explicitly declare the visibility for methods.

{

	// Get current page width

	return $this->w;

}


function GetPageHeight()

It is generally recommended to explicitly declare the visibility for methods.

{

	// Get current page height

	return $this->h;

}


function GetX()

It is generally recommended to explicitly declare the visibility for methods.

{

	// Get x position

	return $this->x;

}


function SetX($x)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set x position

	if($x>=0)

		$this->x = $x;

	else

		$this->x = $this->w+$x;

}


function GetY()

It is generally recommended to explicitly declare the visibility for methods.

{

	// Get y position

	return $this->y;

}


function SetY($y, $resetX=true)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set y position and optionally reset x

	if($y>=0)

		$this->y = $y;

	else

		$this->y = $this->h+$y;

	if($resetX)

		$this->x = $this->lMargin;

}


function SetXY($x, $y)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Set x and y positions

	$this->SetX($x);

	$this->SetY($y,false);

}


function Output($dest='', $name='', $isUTF8=false)

It is generally recommended to explicitly declare the visibility for methods.

{

	// Output PDF to some destination

	$this->Close();

	if(strlen($name)==1 && strlen($dest)!=1)

	{

		// Fix parameter order

		$tmp = $dest;

		$dest = $name;

		$name = $tmp;

	}

	if($dest=='')

		$dest = 'I';

	if($name=='')

		$name = 'doc.pdf';

	switch(strtoupper($dest))

	{

		case 'I':

This code seems to be duplicated across your project.

			// Send to standard output

			$this->_checkoutput();

			if(PHP_SAPI!='cli')

			{

				// We send to a browser

				header('Content-Type: application/pdf');

				header('Content-Disposition: inline; '.$this->_httpencode('filename',$name,$isUTF8));

				header('Cache-Control: private, max-age=0, must-revalidate');

				header('Pragma: public');

			}

			echo $this->buffer;

			break;

		case 'D':

This code seems to be duplicated across your project.

			// Download file

			$this->_checkoutput();

			header('Content-Type: application/x-download');

			header('Content-Disposition: attachment; '.$this->_httpencode('filename',$name,$isUTF8));

			header('Cache-Control: private, max-age=0, must-revalidate');

			header('Pragma: public');

			echo $this->buffer;

			break;

		case 'F':

			// Save to local file

			if(!file_put_contents($name,$this->buffer))

				$this->Error('Unable to create output file: '.$name);

			break;

		case 'S':

			// Return as a string

			return $this->buffer;

		default:

			$this->Error('Incorrect output destination: '.$dest);

	}

	return '';

}


/*******************************************************************************

*                              Protected methods                               *

*******************************************************************************/


protected function _dochecks()

{

	// Check mbstring overloading

	if(ini_get('mbstring.func_overload') & 2)

		$this->Error('mbstring overloading must be disabled');

	// Ensure runtime magic quotes are disabled

	if(get_magic_quotes_runtime())

		@set_magic_quotes_runtime(0);

It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended.

The function set_magic_quotes_runtime() has been deprecated with message: Deprecated as of PHP 5.3.0. Relying on this feature is highly discouraged.

}


protected function _checkoutput()

{

	if(PHP_SAPI!='cli')

	{

		if(headers_sent($file,$line))

			$this->Error("Some data has already been output, can't send PDF file (output started at $file:$line)");

	}

	if(ob_get_length())

	{

		// The output buffer is not empty

		if(preg_match('/^(\xEF\xBB\xBF)?\s*$/',ob_get_contents()))

		{

			// It contains only a UTF-8 BOM and/or whitespace, let's clean it

			ob_clean();

		}

		else

			$this->Error("Some data has already been output, can't send PDF file");

	}

}


protected function _getpagesize($size)

{

	if(is_string($size))

	{

		$size = strtolower($size);

		if(!isset($this->StdPageSizes[$size]))

			$this->Error('Unknown page size: '.$size);

		$a = $this->StdPageSizes[$size];

		return array($a[0]/$this->k, $a[1]/$this->k);

	}

	else

	{

		if($size[0]>$size[1])

			return array($size[1], $size[0]);

		else

			return $size;

	}

}


protected function _beginpage($orientation, $size, $rotation)

{

	$this->page++;

	$this->pages[$this->page] = '';

	$this->state = 2;

	$this->x = $this->lMargin;

	$this->y = $this->tMargin;

	$this->FontFamily = '';

	// Check page size and orientation

	if($orientation=='')

		$orientation = $this->DefOrientation;

	else

		$orientation = strtoupper($orientation[0]);

	if($size=='')

		$size = $this->DefPageSize;

	else

		$size = $this->_getpagesize($size);

	if($orientation!=$this->CurOrientation || $size[0]!=$this->CurPageSize[0] || $size[1]!=$this->CurPageSize[1])

	{

		// New size or orientation

		if($orientation=='P')

This code seems to be duplicated across your project.

		{

			$this->w = $size[0];

			$this->h = $size[1];

		}

		else

		{

			$this->w = $size[1];

			$this->h = $size[0];

		}

		$this->wPt = $this->w*$this->k;

		$this->hPt = $this->h*$this->k;

		$this->PageBreakTrigger = $this->h-$this->bMargin;

		$this->CurOrientation = $orientation;

		$this->CurPageSize = $size;

	}

	if($orientation!=$this->DefOrientation || $size[0]!=$this->DefPageSize[0] || $size[1]!=$this->DefPageSize[1])

		$this->PageInfo[$this->page]['size'] = array($this->wPt, $this->hPt);

	if($rotation!=0)

	{

		if($rotation%90!=0)

			$this->Error('Incorrect rotation value: '.$rotation);

		$this->CurRotation = $rotation;

		$this->PageInfo[$this->page]['rotation'] = $rotation;

	}

}


protected function _endpage()

{

	$this->state = 1;

}


protected function _loadfont($font)

{

	// Load a font definition file from the font directory

	if(strpos($font,'/')!==false || strpos($font,"\\")!==false)

		$this->Error('Incorrect font definition file name: '.$font);

	include($this->fontpath.$font);

	if(!isset($name))

The variable $name seems to never exist, and therefore isset should always return false. Did you maybe rename this variable?

		$this->Error('Could not include font definition file');

	if(isset($enc))

The variable $enc seems only to be defined at a later point. As such the call to isset() seems to always evaluate to false.

		$enc = strtolower($enc);

	if(!isset($subsetted))

The variable $subsetted seems only to be defined at a later point. As such the call to isset() seems to always evaluate to false.

		$subsetted = false;

	return get_defined_vars();

}


protected function _isascii($s)

{

	// Test if string is ASCII

	$nb = strlen($s);

	for($i=0;$i<$nb;$i++)

	{

		if(ord($s[$i])>127)

			return false;

	}

	return true;

}


protected function _httpencode($param, $value, $isUTF8)

_httpencode uses the super-global variable $_SERVER which is generally not recommended.

{

	// Encode HTTP header field parameter

	if($this->_isascii($value))

		return $param.'="'.$value.'"';

	if(!$isUTF8)

		$value = utf8_encode($value);

	if(strpos($_SERVER['HTTP_USER_AGENT'],'MSIE')!==false)

		return $param.'="'.rawurlencode($value).'"';

	else

		return $param."*=UTF-8''".rawurlencode($value);

}


protected function _UTF8toUTF16($s)

{

	// Convert UTF-8 to UTF-16BE with BOM

	$res = "\xFE\xFF";

	$nb = strlen($s);

	$i = 0;

	while($i<$nb)

	{

		$c1 = ord($s[$i++]);

		if($c1>=224)

		{

			// 3-byte character

			$c2 = ord($s[$i++]);

			$c3 = ord($s[$i++]);

			$res .= chr((($c1 & 0x0F)<<4) + (($c2 & 0x3C)>>2));

			$res .= chr((($c2 & 0x03)<<6) + ($c3 & 0x3F));

		}

		elseif($c1>=192)

		{

			// 2-byte character

			$c2 = ord($s[$i++]);

			$res .= chr(($c1 & 0x1C)>>2);

			$res .= chr((($c1 & 0x03)<<6) + ($c2 & 0x3F));

		}

		else

		{

			// Single-byte character

			$res .= "\0".chr($c1);

		}

	}

	return $res;

}


protected function _escape($s)

{

	// Escape special characters

	if(strpos($s,'(')!==false || strpos($s,')')!==false || strpos($s,'\\')!==false || strpos($s,"\r")!==false)

		return str_replace(array('\\','(',')',"\r"), array('\\\\','\\(','\\)','\\r'), $s);

	else

		return $s;

}


protected function _textstring($s)

{

	// Format a text string

	if(!$this->_isascii($s))

		$s = $this->_UTF8toUTF16($s);

	return '('.$this->_escape($s).')';

}


protected function _dounderline($x, $y, $txt)

This method seems to be duplicated in your project.

{

	// Underline text

	$up = $this->CurrentFont['up'];

	$ut = $this->CurrentFont['ut'];

	$w = $this->GetStringWidth($txt)+$this->ws*substr_count($txt,' ');

	return sprintf('%.2F %.2F %.2F %.2F re f',$x*$this->k,($this->h-($y-$up/1000*$this->FontSize))*$this->k,$w*$this->k,-$ut/1000*$this->FontSizePt);

}


protected function _parsejpg($file)

{

	// Extract info from a JPEG file

	$a = getimagesize($file);

	if(!$a)

The expression $a of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using empty($expr) instead to make it clear that you intend to check for an array without elements.

		$this->Error('Missing or incorrect image file: '.$file);

	if($a[2]!=2)

		$this->Error('Not a JPEG file: '.$file);

	if(!isset($a['channels']) || $a['channels']==3)

		$colspace = 'DeviceRGB';

	elseif($a['channels']==4)

		$colspace = 'DeviceCMYK';

	else

		$colspace = 'DeviceGray';

	$bpc = isset($a['bits']) ? $a['bits'] : 8;

	$data = file_get_contents($file);

	return array('w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$data);

}


protected function _parsepng($file)

{

	// Extract info from a PNG file

	$f = fopen($file,'rb');

	if(!$f)

		$this->Error('Can\'t open image file: '.$file);

	$info = $this->_parsepngstream($f,$file);

	fclose($f);

	return $info;

}


protected function _parsepngstream($f, $file)

{

	// Check signature

	if($this->_readstream($f,8)!=chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10))

		$this->Error('Not a PNG file: '.$file);


	// Read header chunk

	$this->_readstream($f,4);

	if($this->_readstream($f,4)!='IHDR')

		$this->Error('Incorrect PNG file: '.$file);

	$w = $this->_readint($f);

	$h = $this->_readint($f);

	$bpc = ord($this->_readstream($f,1));

	if($bpc>8)

		$this->Error('16-bit depth not supported: '.$file);

	$ct = ord($this->_readstream($f,1));

	if($ct==0 || $ct==4)

		$colspace = 'DeviceGray';

	elseif($ct==2 || $ct==6)

		$colspace = 'DeviceRGB';

	elseif($ct==3)

		$colspace = 'Indexed';

	else

		$this->Error('Unknown color type: '.$file);

	if(ord($this->_readstream($f,1))!=0)

		$this->Error('Unknown compression method: '.$file);

	if(ord($this->_readstream($f,1))!=0)

		$this->Error('Unknown filter method: '.$file);

	if(ord($this->_readstream($f,1))!=0)

		$this->Error('Interlacing not supported: '.$file);

	$this->_readstream($f,4);

	$dp = '/Predictor 15 /Colors '.($colspace=='DeviceRGB' ? 3 : 1).' /BitsPerComponent '.$bpc.' /Columns '.$w;

The variable $colspace does not seem to be defined for all execution paths leading up to this point.

	// Scan chunks looking for palette, transparency and image data

	$pal = '';

	$trns = '';

	$data = '';

	do

	{

		$n = $this->_readint($f);

		$type = $this->_readstream($f,4);

		if($type=='PLTE')

		{

			// Read palette

			$pal = $this->_readstream($f,$n);

			$this->_readstream($f,4);

		}

		elseif($type=='tRNS')

		{

			// Read transparency info

			$t = $this->_readstream($f,$n);

			if($ct==0)

				$trns = array(ord(substr($t,1,1)));

			elseif($ct==2)

				$trns = array(ord(substr($t,1,1)), ord(substr($t,3,1)), ord(substr($t,5,1)));

			else

			{

				$pos = strpos($t,chr(0));

				if($pos!==false)

					$trns = array($pos);

			}

			$this->_readstream($f,4);

		}

		elseif($type=='IDAT')

		{

			// Read image data block

			$data .= $this->_readstream($f,$n);

			$this->_readstream($f,4);

		}

		elseif($type=='IEND')

			break;

		else

			$this->_readstream($f,$n+4);

	}

	while($n);


	if($colspace=='Indexed' && empty($pal))

		$this->Error('Missing palette in '.$file);

	$info = array('w'=>$w, 'h'=>$h, 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'FlateDecode', 'dp'=>$dp, 'pal'=>$pal, 'trns'=>$trns);

	if($ct>=4)

	{

		// Extract alpha channel

		if(!function_exists('gzuncompress'))

			$this->Error('Zlib not available, can\'t handle alpha channel: '.$file);

		$data = gzuncompress($data);

		$color = '';

		$alpha = '';

		if($ct==4)

		{

			// Gray image

			$len = 2*$w;

			for($i=0;$i<$h;$i++)

This code seems to be duplicated across your project.

			{

				$pos = (1+$len)*$i;

				$color .= $data[$pos];

				$alpha .= $data[$pos];

				$line = substr($data,$pos+1,$len);

				$color .= preg_replace('/(.)./s','$1',$line);

				$alpha .= preg_replace('/.(.)/s','$1',$line);

			}

		}

		else

		{

			// RGB image

			$len = 4*$w;

			for($i=0;$i<$h;$i++)

This code seems to be duplicated across your project.

			{

				$pos = (1+$len)*$i;

				$color .= $data[$pos];

				$alpha .= $data[$pos];

				$line = substr($data,$pos+1,$len);

				$color .= preg_replace('/(.{3})./s','$1',$line);

				$alpha .= preg_replace('/.{3}(.)/s','$1',$line);

			}

		}

		unset($data);

		$data = gzcompress($color);

		$info['smask'] = gzcompress($alpha);

		$this->WithAlpha = true;

		if($this->PDFVersion<'1.4')

			$this->PDFVersion = '1.4';

	}

	$info['data'] = $data;

	return $info;

}


protected function _readstream($f, $n)

{

	// Read n bytes from stream

	$res = '';

	while($n>0 && !feof($f))

	{

		$s = fread($f,$n);

		if($s===false)

			$this->Error('Error while reading stream');

		$n -= strlen($s);

		$res .= $s;

	}

	if($n>0)

		$this->Error('Unexpected end of stream');

	return $res;

}


protected function _readint($f)

{

	// Read a 4-byte integer from stream

	$a = unpack('Ni',$this->_readstream($f,4));

	return $a['i'];

}


protected function _parsegif($file)

{

	// Extract info from a GIF file (via PNG conversion)

	if(!function_exists('imagepng'))

		$this->Error('GD extension is required for GIF support');

	if(!function_exists('imagecreatefromgif'))

		$this->Error('GD has no GIF read support');

	$im = imagecreatefromgif($file);

	if(!$im)

		$this->Error('Missing or incorrect image file: '.$file);

	imageinterlace($im,0);

	ob_start();

	imagepng($im);

	$data = ob_get_clean();

	imagedestroy($im);

	$f = fopen('php://temp','rb+');

	if(!$f)

		$this->Error('Unable to create memory stream');

	fwrite($f,$data);

	rewind($f);

	$info = $this->_parsepngstream($f,$file);

	fclose($f);

	return $info;

}


protected function _out($s)

{

	// Add a line to the document

	if($this->state==2)

		$this->pages[$this->page] .= $s."\n";

	elseif($this->state==1)

		$this->_put($s);

	elseif($this->state==0)

		$this->Error('No page has been added yet');

	elseif($this->state==3)

		$this->Error('The document is closed');

}


protected function _put($s)

{

	$this->buffer .= $s."\n";

}


protected function _getoffset()

{

	return strlen($this->buffer);

}


protected function _newobj($n=null)

{

	// Begin a new object

	if($n===null)

		$n = ++$this->n;

	$this->offsets[$n] = $this->_getoffset();

	$this->_put($n.' 0 obj');

}


protected function _putstream($data)

{

	$this->_put('stream');

	$this->_put($data);

	$this->_put('endstream');

}


protected function _putstreamobject($data)

{

	if($this->compress)

	{

		$entries = '/Filter /FlateDecode ';

		$data = gzcompress($data);

	}

	else

		$entries = '';

	$entries .= '/Length '.strlen($data);

	$this->_newobj();

	$this->_put('<<'.$entries.'>>');

	$this->_putstream($data);

	$this->_put('endobj');

}


protected function _putpage($n)

{

	$this->_newobj();

	$this->_put('<</Type /Page');

	$this->_put('/Parent 1 0 R');

	if(isset($this->PageInfo[$n]['size']))

		$this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]',$this->PageInfo[$n]['size'][0],$this->PageInfo[$n]['size'][1]));

	if(isset($this->PageInfo[$n]['rotation']))

		$this->_put('/Rotate '.$this->PageInfo[$n]['rotation']);

	$this->_put('/Resources 2 0 R');

	if(isset($this->PageLinks[$n]))

	{

		// Links

		$annots = '/Annots [';

		foreach($this->PageLinks[$n] as $pl)

		{

			$rect = sprintf('%.2F %.2F %.2F %.2F',$pl[0],$pl[1],$pl[0]+$pl[2],$pl[1]-$pl[3]);

			$annots .= '<</Type /Annot /Subtype /Link /Rect ['.$rect.'] /Border [0 0 0] ';

			if(is_string($pl[4]))

				$annots .= '/A <</S /URI /URI '.$this->_textstring($pl[4]).'>>>>';

			else

			{

				$l = $this->links[$pl[4]];

				if(isset($this->PageInfo[$l[0]]['size']))

					$h = $this->PageInfo[$l[0]]['size'][1];

				else

					$h = ($this->DefOrientation=='P') ? $this->DefPageSize[1]*$this->k : $this->DefPageSize[0]*$this->k;

				$annots .= sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>',$this->PageInfo[$l[0]]['n'],$h-$l[1]*$this->k);

			}

		}

		$this->_put($annots.']');

	}

	if($this->WithAlpha)

		$this->_put('/Group <</Type /Group /S /Transparency /CS /DeviceRGB>>');

	$this->_put('/Contents '.($this->n+1).' 0 R>>');

	$this->_put('endobj');

	// Page content

	if(!empty($this->AliasNbPages))

		$this->pages[$n] = str_replace($this->AliasNbPages,$this->page,$this->pages[$n]);

	$this->_putstreamobject($this->pages[$n]);

}


protected function _putpages()

{

	$nb = $this->page;

	for($n=1;$n<=$nb;$n++)

		$this->PageInfo[$n]['n'] = $this->n+1+2*($n-1);

	for($n=1;$n<=$nb;$n++)

		$this->_putpage($n);

	// Pages root

	$this->_newobj(1);

	$this->_put('<</Type /Pages');

	$kids = '/Kids [';

	for($n=1;$n<=$nb;$n++)

		$kids .= $this->PageInfo[$n]['n'].' 0 R ';

	$this->_put($kids.']');

	$this->_put('/Count '.$nb);

	if($this->DefOrientation=='P')

This code seems to be duplicated across your project.

	{

		$w = $this->DefPageSize[0];

		$h = $this->DefPageSize[1];

	}

	else

	{

		$w = $this->DefPageSize[1];

		$h = $this->DefPageSize[0];

	}

	$this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]',$w*$this->k,$h*$this->k));

	$this->_put('>>');

	$this->_put('endobj');

}


protected function _putfonts()

{

	foreach($this->FontFiles as $file=>$info)

	{

		// Font file embedding

		$this->_newobj();

		$this->FontFiles[$file]['n'] = $this->n;

		$font = file_get_contents($this->fontpath.$file,true);

		if(!$font)

			$this->Error('Font file not found: '.$file);

		$compressed = (substr($file,-2)=='.z');

		if(!$compressed && isset($info['length2']))

			$font = substr($font,6,$info['length1']).substr($font,6+$info['length1']+6,$info['length2']);

		$this->_put('<</Length '.strlen($font));

		if($compressed)

			$this->_put('/Filter /FlateDecode');

		$this->_put('/Length1 '.$info['length1']);

		if(isset($info['length2']))

			$this->_put('/Length2 '.$info['length2'].' /Length3 0');

		$this->_put('>>');

		$this->_putstream($font);

		$this->_put('endobj');

	}

	foreach($this->fonts as $k=>$font)

	{

		// Encoding

		if(isset($font['diff']))

		{

			if(!isset($this->encodings[$font['enc']]))

			{

				$this->_newobj();

				$this->_put('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$font['diff'].']>>');

				$this->_put('endobj');

				$this->encodings[$font['enc']] = $this->n;

			}

		}

		// ToUnicode CMap

		if(isset($font['uv']))

		{

			if(isset($font['enc']))

				$cmapkey = $font['enc'];

			else

				$cmapkey = $font['name'];

			if(!isset($this->cmaps[$cmapkey]))

			{

				$cmap = $this->_tounicodecmap($font['uv']);

				$this->_putstreamobject($cmap);

				$this->cmaps[$cmapkey] = $this->n;

			}

		}

		// Font object

		$this->fonts[$k]['n'] = $this->n+1;

		$type = $font['type'];

		$name = $font['name'];

		if($font['subsetted'])

			$name = 'AAAAAA+'.$name;

		if($type=='Core')

		{

			// Core font

			$this->_newobj();

			$this->_put('<</Type /Font');

			$this->_put('/BaseFont /'.$name);

			$this->_put('/Subtype /Type1');

			if($name!='Symbol' && $name!='ZapfDingbats')

				$this->_put('/Encoding /WinAnsiEncoding');

			if(isset($font['uv']))

				$this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');

The variable $cmapkey does not seem to be defined for all execution paths leading up to this point.

			$this->_put('>>');

			$this->_put('endobj');

		}

		elseif($type=='Type1' || $type=='TrueType')

		{

			// Additional Type1 or TrueType/OpenType font

			$this->_newobj();

			$this->_put('<</Type /Font');

			$this->_put('/BaseFont /'.$name);

			$this->_put('/Subtype /'.$type);

			$this->_put('/FirstChar 32 /LastChar 255');

			$this->_put('/Widths '.($this->n+1).' 0 R');

			$this->_put('/FontDescriptor '.($this->n+2).' 0 R');

			if(isset($font['diff']))

				$this->_put('/Encoding '.$this->encodings[$font['enc']].' 0 R');

			else

				$this->_put('/Encoding /WinAnsiEncoding');

			if(isset($font['uv']))

				$this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');

			$this->_put('>>');

			$this->_put('endobj');

			// Widths

			$this->_newobj();

			$cw = &$font['cw'];

			$s = '[';

			for($i=32;$i<=255;$i++)

This code seems to be duplicated across your project.

				$s .= $cw[chr($i)].' ';

			$this->_put($s.']');

			$this->_put('endobj');

			// Descriptor

			$this->_newobj();

			$s = '<</Type /FontDescriptor /FontName /'.$name;

			foreach($font['desc'] as $k=>$v)

				$s .= ' /'.$k.' '.$v;

			if(!empty($font['file']))

				$s .= ' /FontFile'.($type=='Type1' ? '' : '2').' '.$this->FontFiles[$font['file']]['n'].' 0 R';

			$this->_put($s.'>>');

			$this->_put('endobj');

		}

		else

		{

			// Allow for additional types

			$mtd = '_put'.strtolower($type);

			if(!method_exists($this,$mtd))

				$this->Error('Unsupported font type: '.$type);

			$this->$mtd($font);

		}

	}

}


protected function _tounicodecmap($uv)

{

	$ranges = '';

	$nbr = 0;

	$chars = '';

	$nbc = 0;

	foreach($uv as $c=>$v)

	{

		if(is_array($v))

		{

			$ranges .= sprintf("<%02X> <%02X> <%04X>\n",$c,$c+$v[1]-1,$v[0]);

			$nbr++;

		}

		else

		{

			$chars .= sprintf("<%02X> <%04X>\n",$c,$v);

			$nbc++;

		}

	}

	$s = "/CIDInit /ProcSet findresource begin\n";

	$s .= "12 dict begin\n";

	$s .= "begincmap\n";

	$s .= "/CIDSystemInfo\n";

	$s .= "<</Registry (Adobe)\n";

	$s .= "/Ordering (UCS)\n";

	$s .= "/Supplement 0\n";

	$s .= ">> def\n";

	$s .= "/CMapName /Adobe-Identity-UCS def\n";

	$s .= "/CMapType 2 def\n";

	$s .= "1 begincodespacerange\n";

	$s .= "<00> <FF>\n";

	$s .= "endcodespacerange\n";

	if($nbr>0)

	{

		$s .= "$nbr beginbfrange\n";

		$s .= $ranges;

		$s .= "endbfrange\n";

	}

	if($nbc>0)

	{

		$s .= "$nbc beginbfchar\n";

		$s .= $chars;

		$s .= "endbfchar\n";

	}

	$s .= "endcmap\n";

	$s .= "CMapName currentdict /CMap defineresource pop\n";

	$s .= "end\n";

	$s .= "end";

	return $s;

}


protected function _putimages()

{

	foreach(array_keys($this->images) as $file)

	{

		$this->_putimage($this->images[$file]);

		unset($this->images[$file]['data']);

		unset($this->images[$file]['smask']);

	}

}


protected function _putimage(&$info)

{

	$this->_newobj();

	$info['n'] = $this->n;

	$this->_put('<</Type /XObject');

	$this->_put('/Subtype /Image');

	$this->_put('/Width '.$info['w']);

	$this->_put('/Height '.$info['h']);

	if($info['cs']=='Indexed')

		$this->_put('/ColorSpace [/Indexed /DeviceRGB '.(strlen($info['pal'])/3-1).' '.($this->n+1).' 0 R]');

	else

	{

		$this->_put('/ColorSpace /'.$info['cs']);

		if($info['cs']=='DeviceCMYK')

			$this->_put('/Decode [1 0 1 0 1 0 1 0]');

	}

	$this->_put('/BitsPerComponent '.$info['bpc']);

	if(isset($info['f']))

		$this->_put('/Filter /'.$info['f']);

	if(isset($info['dp']))

		$this->_put('/DecodeParms <<'.$info['dp'].'>>');

	if(isset($info['trns']) && is_array($info['trns']))

	{

		$trns = '';

		for($i=0;$i<count($info['trns']);$i++)

It seems like you are calling the size function count() as part of the test condition. You might want to compute the size beforehand, and not on each iteration.

			$trns .= $info['trns'][$i].' '.$info['trns'][$i].' ';

		$this->_put('/Mask ['.$trns.']');

	}

	if(isset($info['smask']))

		$this->_put('/SMask '.($this->n+1).' 0 R');

	$this->_put('/Length '.strlen($info['data']).'>>');

	$this->_putstream($info['data']);

	$this->_put('endobj');

	// Soft mask

	if(isset($info['smask']))

	{

		$dp = '/Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns '.$info['w'];

		$smask = array('w'=>$info['w'], 'h'=>$info['h'], 'cs'=>'DeviceGray', 'bpc'=>8, 'f'=>$info['f'], 'dp'=>$dp, 'data'=>$info['smask']);

		$this->_putimage($smask);

	}

	// Palette

	if($info['cs']=='Indexed')

		$this->_putstreamobject($info['pal']);

}


protected function _putxobjectdict()

{

	foreach($this->images as $image)

		$this->_put('/I'.$image['i'].' '.$image['n'].' 0 R');

}


protected function _putresourcedict()

{

	$this->_put('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');

	$this->_put('/Font <<');

	foreach($this->fonts as $font)

		$this->_put('/F'.$font['i'].' '.$font['n'].' 0 R');

	$this->_put('>>');

	$this->_put('/XObject <<');

	$this->_putxobjectdict();

	$this->_put('>>');

}


protected function _putresources()

{

	$this->_putfonts();

	$this->_putimages();

	// Resource dictionary

	$this->_newobj(2);

	$this->_put('<<');

	$this->_putresourcedict();

	$this->_put('>>');

	$this->_put('endobj');

}


protected function _putinfo()

{

	$this->metadata['Producer'] = 'FPDF '.FPDF_VERSION;

	$this->metadata['CreationDate'] = 'D:'.@date('YmdHis');

	foreach($this->metadata as $key=>$value)

		$this->_put('/'.$key.' '.$this->_textstring($value));

}


protected function _putcatalog()

{

	$n = $this->PageInfo[1]['n'];

	$this->_put('/Type /Catalog');

	$this->_put('/Pages 1 0 R');

	if($this->ZoomMode=='fullpage')

		$this->_put('/OpenAction ['.$n.' 0 R /Fit]');

	elseif($this->ZoomMode=='fullwidth')

		$this->_put('/OpenAction ['.$n.' 0 R /FitH null]');

	elseif($this->ZoomMode=='real')

		$this->_put('/OpenAction ['.$n.' 0 R /XYZ null null 1]');

	elseif(!is_string($this->ZoomMode))

		$this->_put('/OpenAction ['.$n.' 0 R /XYZ null null '.sprintf('%.2F',$this->ZoomMode/100).']');

	if($this->LayoutMode=='single')

		$this->_put('/PageLayout /SinglePage');

	elseif($this->LayoutMode=='continuous')

		$this->_put('/PageLayout /OneColumn');

	elseif($this->LayoutMode=='two')

		$this->_put('/PageLayout /TwoColumnLeft');

}


protected function _putheader()

{

	$this->_put('%PDF-'.$this->PDFVersion);

}


protected function _puttrailer()

{

	$this->_put('/Size '.($this->n+1));

	$this->_put('/Root '.$this->n.' 0 R');

	$this->_put('/Info '.($this->n-1).' 0 R');

}


protected function _enddoc()

{

	$this->_putheader();

	$this->_putpages();

	$this->_putresources();

	// Info

	$this->_newobj();

	$this->_put('<<');

	$this->_putinfo();

	$this->_put('>>');

	$this->_put('endobj');

	// Catalog

	$this->_newobj();

	$this->_put('<<');

	$this->_putcatalog();

	$this->_put('>>');

	$this->_put('endobj');

	// Cross-ref

	$offset = $this->_getoffset();

	$this->_put('xref');

	$this->_put('0 '.($this->n+1));

	$this->_put('0000000000 65535 f ');

	for($i=1;$i<=$this->n;$i++)

		$this->_put(sprintf('%010d 00000 n ',$this->offsets[$i]));

	// Trailer

	$this->_put('trailer');

	$this->_put('<<');

	$this->_puttrailer();

	$this->_put('>>');

	$this->_put('startxref');

	$this->_put($offset);

	$this->_put('%%EOF');

	$this->state = 3;

}

}

?>

It is not recommended to use PHP's closing tag ?> in files other than templates.