Intraface_LegacyCpdf::o_fontGIDtoCIDMap() - Code Metrics - intraface/intraface.dk - Measure and Improve Code Quality continuously with Scrutinizer

Intraface_LegacyCpdf::o_fontGIDtoCIDMap() C
last analyzed 2017-03-20 12:20 UTC

↳ Parent: Intraface_LegacyCpdf
Complexity

Conditions	7
Paths	10
Size

Total Lines	33
Code Lines	21
Duplication

Lines	5
Ratio	15.15 %
Code Coverage

Tests	0
CRAP Score	56
Importance

Changes
Metric	Value
cc	7
eloc	21
nc	10
nop	3
dl	5
loc	33
rs	6.7272
c	0
b	0
f	0
ccs	0
cts	23
cp	0
crap	56
<?php
/**
 * Create pdf documents without additional modules
 *
 * Note that the companion class Document_CezPdf can be used to extend this class and
 * simplify the creation of documents.
 *
 * @category Documents
 * @package  Document_Cpdf
 * @author   Wayne Munro (inactive) <[email protected]>
 * @author   Lars Olesen <[email protected]>
 * @author   Sune Jensen <[email protected]>
 * @author   Ole K <[email protected]>
 * @copyright 2007 - 2013 The authors
 * @license   GPL http://www.opensource.org/licenses/gpl-license.php
 * @version  0.11.8
 * @link     http://pdf-php.sf.net
 */

class Intraface_LegacyCpdf
{
    /**
     * allow the programmer to output debug messages on serveral places
     * 'none' = no debug output at all
     * 'error_log' = use error_log
     * 'variable' = store in a variable called $this->messages
     *
     * @default 'error_log'
     */
    public $DEBUG = 'error_log';
    
    /**
     * Set the debug level
     * E_USER_ERROR = only errors
     * E_USER_WARNING = errors and warning
     * E_USER_NOTICE =  nearly everything
     *
     * @default E_USER_WARNING
     */
    public $DEBUGLEVEL = E_USER_WARNING;
    /**
     * Reversed char string to allow arabic or Hebrew
     */
    public $rtl = false;
    
    /**
     * flag to validate the output and if output method has be executed
     */
    protected $valid = false;
    
    /**
     * global defined temporary path used on several places
     */
    public $tempPath = '/tmp';
    /**
     * the current number of pdf objects in the document
     *
     * @var integer
     */
    private $numObj=0;

    /**
      * this array contains all of the pdf objects, ready for final assembly
      *
      * @var array
      */
    private $objects = array();

    /**
     * allows object being hashed (affect images only)
     */
    public $hashed = true;
    /**
     * Object hash used to free pdf from redundacies (primary images)
     */
    private $objectHashes = array();

    
    /**
      * the objectId (number within the objects array) of the document catalog
      *
      * @var integer
      */
    private $catalogId;


    public $targetEncoding = 'iso-8859-1';
    /**
     * @var boolean Whether the text passed in should be treated as Unicode or just local character set.
     */
    public $isUnicode = false;

    /**
     * @var boolean used to either embed or not embed ttf/pfb fonts.
     */
    protected $embedFont = true;

    /**
     * store the information about the relationship between font families
     * this used so that the code knows which font is the bold version of another font, etc.
     * the value of this array is initialised in the constuctor function.
     *
     * @var array
     */
    private $fontFamilies = array(
            'Helvetica' => array(
                    'b'=>'Helvetica-Bold',
                    'i'=>'Helvetica-Oblique',
                    'bi'=>'Helvetica-BoldOblique',
                    'ib'=>'Helvetica-BoldOblique',
                ),
            'Courier' => array(
                    'b'=>'Courier-Bold',
                    'i'=>'Courier-Oblique',
                    'bi'=>'Courier-BoldOblique',
                    'ib'=>'Courier-BoldOblique',
                ),
            'Times-Roman' => array(
                    'b'=>'Times-Bold',
                    'i'=>'Times-Italic',
                    'bi'=>'Times-BoldItalic',
                    'ib'=>'Times-BoldItalic',
                )
    );

    /**
     * the core fonts to ignore them from unicode
     */
    private $coreFonts = array('courier', 'courier-bold', 'courier-oblique', 'courier-boldoblique',
    'helvetica', 'helvetica-bold', 'helvetica-oblique', 'helvetica-boldoblique',
    'times-roman', 'times-bold', 'times-italic', 'times-bolditalic',
    'symbol', 'zapfdingbats');

    /**
     * array carrying information about the fonts that the system currently knows about
     * used to ensure that a font is not loaded twice, among other things
     *
     * @var array
     */
    private $fonts = array();

    /**
      * a record of the current font
      *
      * @var string
      */
    private $currentFont='';

    /**
     * the current base font
     *
     * @var string
     */
    private $currentBaseFont='';

    /**
      * the number of the current font within the font array
      *
      * @var integer
      */
    private $currentFontNum=0;

    /**
     * @var integer
     */
    private $currentNode;

    /**
      * object number of the current page
      *
      * @var integer
      */
    private $currentPage;

    /**
      * object number of the currently active contents block
      */
    private $currentContents;

    /**
      * number of fonts within the system
      */
    private $numFonts = 0;

    /**
     * current colour for fill operations, defaults to inactive value, all three components should be between 0 and 1 inclusive when active
     */
    private $currentColour = array('r' => -1, 'g' => -1, 'b' => -1);

    /**
     * current colour for stroke operations (lines etc.)
     */
    private $currentStrokeColour = array('r' => -1, 'g' => -1, 'b' => -1);

    /**
      * current style that lines are drawn in
      */
    private $currentLineStyle='';

    /**
      * an array which is used to save the state of the document, mainly the colours and styles
      * it is used to temporarily change to another state, the change back to what it was before
      */
    private $stateStack = array();

    /**
     * number of elements within the state stack
     */
    private $nStateStack = 0;

    /**
     * number of page objects within the document
     */
    private $numPages=0;

    /**
     * object Id storage stack
     */
    private $stack=array();

    /**
     * number of elements within the object Id storage stack
     */
    private $nStack=0;

    /**
     * an array which contains information about the objects which are not firmly attached to pages
     * these have been added with the addObject function
     */
    private $looseObjects=array();

    /**
     * array contains infomation about how the loose objects are to be added to the document
     */
    private $addLooseObjects=array();

    /**
      * the objectId of the information object for the document
      * this contains authorship, title etc.
      */
    private $infoObject=0;

    /**
      * number of images being tracked within the document
      */
    private $numImages=0;

    /**
      * some additional options while generation
      * currently used for compression only
      * Default: 'compression' => -1 which will set gzcompress to the default level of 6
      */
    public $options=array('compression'=>-1);

    /**
      * the objectId of the first page of the document
      */
    private $firstPageId;

    /**
      * used to track the last used value of the inter-word spacing, this is so that it is known
      * when the spacing is changed.
      */
    private $wordSpaceAdjust=0;

    /**
      * track if the current font is bolded or italicised
      */
    private $currentTextState = '';

    /**
     * messages are stored here during processing, these can be selected afterwards to give some useful debug information
     */
    public $messages='';

    /**
     * the ancryption array for the document encryption is stored here
     */
    private $arc4='';

    /**
     * the object Id of the encryption information
     */
    private $arc4_objnum=0;

    /**
     * the file identifier, used to uniquely identify a pdf document
     */
    public $fileIdentifier='';

    /**
     * a flag to say if a document is to be encrypted or not
     *
     * @var boolean
     */
    private $encrypted=0;

    /**
     * Set the encryption mode
     * 1 = RC40bit
     * 2 = RC128bit (since PDF Version 1.4)
     */
    private $encryptionMode = 1;
    /**
     * the encryption key for the encryption of all the document content (structure is not encrypted)
     *
     * @var string
     */
    private $encryptionKey='';
    
    /*
     * encryption padding fetched from the Adobe PDF reference
     */
    private $encryptionPad;
    
    /**
     * array which forms a stack to keep track of nested callback functions
     *
     * @var array
     */
    private $callback = array();

    /**
     * the number of callback functions in the callback array
     *
     * @var integer
     */
    private $nCallback = 0;

    /**
     * store label->id pairs for named destinations, these will be used to replace internal links
     * done this way so that destinations can be defined after the location that links to them
     *
     * @var array
     */
    private $destinations = array();

    /**
     * store the stack for the transaction commands, each item in here is a record of the values of all the
     * variables within the class, so that the user can rollback at will (from each 'start' command)
     * note that this includes the objects array, so these can be large.
     *
     * @var string
     */
    private $checkpoint = '';

    /**
     * Constructor - starts a new document
     *
     * @param array $pageSize Array of 4 numbers, defining the bottom left and upper right corner of the page. first two are normally zero.
     *
     * @return void

     */
    public function __construct($pageSize = array(0, 0, 612, 792), $isUnicode = false)
    {
        $this->isUnicode = $isUnicode;
        // set the hardcoded encryption pad
        $this->encryptionPad = chr(0x28).chr(0xBF).chr(0x4E).chr(0x5E).chr(0x4E).chr(0x75).chr(0x8A).chr(0x41).chr(0x64).chr(0x00).chr(0x4E).chr(0x56).chr(0xFF).chr(0xFA).chr(0x01).chr(0x08).chr(0x2E).chr(0x2E).chr(0x00).chr(0xB6).chr(0xD0).chr(0x68).chr(0x3E).chr(0x80).chr(0x2F).chr(0x0C).chr(0xA9).chr(0xFE).chr(0x64).chr(0x53).chr(0x69).chr(0x7A);
        
        $this->newDocument($pageSize);

        if (in_array('Windows-1252', mb_list_encodings())) {
              $this->targetEncoding = 'Windows-1252';
        }
    
        // font familys are already known in $this->fontFamilies
        $this->fileIdentifier = md5('ROSPDF');
    }

    /**
     * Document object methods (internal use only)
     *
     * There is about one object method for each type of object in the pdf document
     * Each function has the same call list ($id,$action,$options).
     * $id = the object ID of the object, or what it is to be if it is being created
     * $action = a string specifying the action to be performed, though ALL must support:
     *           'new' - create the object with the id $id
     *           'out' - produce the output for the pdf object
     * $options = optional, a string or array containing the various parameters for the object
     *
     * These, in conjunction with the output function are the ONLY way for output to be produced
     * within the pdf 'file'.
     */

    /**
     * destination object, used to specify the location for the user to jump to, presently on opening
     * @access private
     */
    private function o_destination($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                 $this->objects[$id]=array('t'=>'destination','info'=>array());
                 $tmp = '';
                switch ($options['type']) {
                    case 'XYZ':
                    case 'FitR':
                        $tmp =  ' '.$options['p3'].$tmp;
                    case 'FitH':
                    case 'FitV':
                    case 'FitBH':
                    case 'FitBV':
                        $tmp =  ' '.$options['p1'].' '.$options['p2'].$tmp;
                    case 'Fit':
                    case 'FitB':
                        $tmp =  $options['type'].$tmp;
                        $this->objects[$id]['info']['string']=$tmp;
                        $this->objects[$id]['info']['page']=$options['page'];
                }
                break;
            case 'out':
                $tmp = $o['info'];
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                $res="\n".$id." 0 obj\n".'['.$tmp['page'].' 0 R /'.$tmp['string']."]\nendobj";
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * sets the viewer preferences
     * @access private
     */
    private function o_viewerPreferences($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->objects[$id]=array('t'=>'viewerPreferences','info'=>array());
                break;
            case 'add':
                foreach ($options as $k => $v) {

                    switch ($k) {
                        case 'HideToolbar':
                        case 'HideMenubar':
                        case 'HideWindowUI':
                        case 'FitWindow':
                        case 'CenterWindow':
                        case 'DisplayDocTitle':
                        case 'NonFullScreenPageMode':
                        case 'Direction':
                            $o['info'][$k]=$v;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                            break;
                    }
                }
                break;
            case 'out':
                $res="\n".$id." 0 obj\n".'<< ';
                foreach ($o['info'] as $k => $v) {
                    $res.="\n/".$k.' '.$v;
                }
                $res.="\n>>\n";
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * define the document catalog, the overall controller for the document
     * @access private
     */
    private function o_catalog($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->objects[$id]=array('t'=>'catalog','info'=>array());
                $this->catalogId=$id;
                break;
            case 'outlines':
            case 'pages':
            case 'openHere':
                $o['info'][$action]=$options;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                break;
            case 'viewerPreferences':
                if (!isset($o['info']['viewerPreferences'])) {
                    $this->numObj++;
                    $this->o_viewerPreferences($this->numObj, 'new');
                    $o['info']['viewerPreferences']=$this->numObj;
                }
                $vp = $o['info']['viewerPreferences'];
                $this->o_viewerPreferences($vp, 'add', $options);
                break;
            case 'out':
                $res="\n".$id." 0 obj\n".'<< /Type /Catalog';
                foreach ($o['info'] as $k => $v) {
                    switch ($k) {
                        case 'outlines':
                            $res.=' /Outlines '.$v.' 0 R';
                            break;
                        case 'pages':
                            $res.=' /Pages '.$v.' 0 R';
                            break;
                        case 'viewerPreferences':
                            $res.=' /ViewerPreferences '.$o['info']['viewerPreferences'].' 0 R';
                            break;
                        case 'openHere':
                            $res.=' /OpenAction '.$o['info']['openHere'].' 0 R';
                            break;
                    }
                }
                $res.=" >>\nendobj";
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * object which is a parent to the pages in the document
     * @access private
     */
    private function o_pages($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->objects[$id]=array('t'=>'pages','info'=>array());
                $this->o_catalog($this->catalogId, 'pages', $id);
                break;
            case 'page':
                if (!is_array($options)) {
                    // then it will just be the id of the new page
                    $o['info']['pages'][]=$options;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                } else {
                    // then it should be an array having 'id','rid','pos', where rid=the page to which this one will be placed relative
                    // and pos is either 'before' or 'after', saying where this page will fit.
                    if (isset($options['id']) && isset($options['rid']) && isset($options['pos'])) {
                        $i = array_search($options['rid'], $o['info']['pages']);
                        if (isset($o['info']['pages'][$i]) && $o['info']['pages'][$i]==$options['rid']) {
                            // then there is a match make a space
                            switch ($options['pos']) {
                                case 'before':
                                    $k = $i;
                                    break;
                                case 'after':
                                    $k=$i+1;
                                    break;
                                default:
                                    $k=-1;
                                    break;
                            }
                            if ($k>=0) {
                                for ($j=count($o['info']['pages'])-1; $j>=$k; $j--) {
                                    $o['info']['pages'][$j+1]=$o['info']['pages'][$j];
                                }
                                $o['info']['pages'][$k]=$options['id'];
                            }
                        }
                    }
                }
                break;
            case 'procset':
                $o['info']['procset']=$options;
                break;
            case 'mediaBox':
                $o['info']['mediaBox']=$options; // which should be an array of 4 numbers
                break;
            case 'font':
                $o['info']['fonts'][]=array('objNum'=>$options['objNum'],'fontNum'=>$options['fontNum']);
                break;
            case 'xObject':
                $o['info']['xObjects'][]=array('objNum'=>$options['objNum'],'label'=>$options['label']);
                break;
            case 'out':
                if (count($o['info']['pages'])) {
                    $res="\n".$id." 0 obj\n<< /Type /Pages /Kids [";
                    foreach ($o['info']['pages'] as $k => $v) {
                        $res.=$v." 0 R ";
                    }
                    $res.="] /Count ".count($this->objects[$id]['info']['pages']);
                    if ((isset($o['info']['fonts']) && count($o['info']['fonts'])) || isset($o['info']['procset'])) {
                        $res.=" /Resources <<";
                        if (isset($o['info']['procset'])) {
                            $res.=" /ProcSet ".$o['info']['procset'];
                        }
                        if (isset($o['info']['fonts']) && count($o['info']['fonts'])) {
                            $res.=" /Font << ";
                            foreach ($o['info']['fonts'] as $finfo) {
                                $res.=" /F".$finfo['fontNum']." ".$finfo['objNum']." 0 R";
                            }
                            $res.=" >>";
                        }
                        if (isset($o['info']['xObjects']) && count($o['info']['xObjects'])) {
                            $res.=" /XObject << ";
                            foreach ($o['info']['xObjects'] as $finfo) {
                                $res.=" /".$finfo['label']." ".$finfo['objNum']." 0 R";
                            }
                            $res.=" >>";
                        }
                        $res.=" >>";
                        if (isset($o['info']['mediaBox'])) {
                            $tmp=$o['info']['mediaBox'];
                            $res.=" /MediaBox [".sprintf('%.3F', $tmp[0]).' '.sprintf('%.3F', $tmp[1]).' '.sprintf('%.3F', $tmp[2]).' '.sprintf('%.3F', $tmp[3]).']';
                        }
                    }
                    $res.=" >>\nendobj";
                } else {
                    $res="\n".$id." 0 obj\n<< /Type /Pages\n/Count 0\n>>\nendobj";
                }
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * Beta Redirection function
     * @access private
     */
    private function o_redirect($id, $action, $options = '')
    {
        switch ($action) {
            case 'new':
                $this->objects[$id]=array('t'=>'redirect','data'=>$options['data'],'info'=>array());
                $this->o_pages($this->currentNode, 'xObject', array('label'=>$options['label'],'objNum'=>$id));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                break;
            case 'out':
                $o =& $this->objects[$id];
                $tmp=$o['data'];
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                $res= "\n".$id." 0 obj\n<<";
                $res.="/R".$o['data']." ".$o['data']." 0 R>>\nendobj";
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * defines the outlines in the doc, empty for now
     * @access private
     */
    private function o_outlines($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->objects[$id]=array('t'=>'outlines','info'=>array('outlines'=>array()));
                $this->o_catalog($this->catalogId, 'outlines', $id);
                break;
            case 'outline':
                $o['info']['outlines'][]=$options;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                break;
            case 'out':
                if (count($o['info']['outlines'])) {
                    $res="\n".$id." 0 obj\n<< /Type /Outlines /Kids [";
                    foreach ($o['info']['outlines'] as $k => $v) {
                        $res.=$v." 0 R ";
                    }
                    $res.="] /Count ".count($o['info']['outlines'])." >>\nendobj";
                } else {
                    $res="\n".$id." 0 obj\n<< /Type /Outlines /Count 0 >>\nendobj";
                }
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * an object to hold the font description
     * @access private
     */
    private function o_font($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->objects[$id]=array('t'=>'font','info'=>array('name'=>$options['name'], 'fontFileName' => $options['fontFileName'],'SubType'=>'Type1'));
                $fontNum=$this->numFonts;
                $this->objects[$id]['info']['fontNum']=$fontNum;
                // deal with the encoding and the differences
                if (isset($options['differences'])) {
                    // then we'll need an encoding dictionary
                    $this->numObj++;
                    $this->o_fontEncoding($this->numObj, 'new', $options);
                    $this->objects[$id]['info']['encodingDictionary']=$this->numObj;
                } elseif (isset($options['encoding'])) {
                    // we can specify encoding here
                    switch ($options['encoding']) {
                        case 'WinAnsiEncoding':
                        case 'MacRomanEncoding':
                        case 'MacExpertEncoding':
                            $this->objects[$id]['info']['encoding']=$options['encoding'];
                            break;
                        case 'none':
                            break;
                        default:
                            $this->objects[$id]['info']['encoding']='WinAnsiEncoding';
                            break;
                    }
                } else {
                    $this->objects[$id]['info']['encoding']='WinAnsiEncoding';
                }
                
                if ($this->fonts[$options['fontFileName']]['isUnicode']) {
                    // For Unicode fonts, we need to incorporate font data into
                    // sub-sections that are linked from the primary font section.
                    // Look at o_fontGIDtoCID and o_fontDescendentCID functions
                    // for more informaiton.
                    //
                    // All of this code is adapted from the excellent changes made to
                    // transform FPDF to TCPDF (http://tcpdf.sourceforge.net/)
                    $toUnicodeId = ++$this->numObj;
                    $this->o_contents($toUnicodeId, 'new', 'raw');
                    $this->objects[$id]['info']['toUnicode'] = $toUnicodeId;

                    $stream = "/CIDInit /ProcSet findresource begin\n12 dict begin\nbegincmap\n/CIDSystemInfo <</Registry (Adobe) /Ordering (UCS) /Supplement 0 >> def\n/CMapName /Adobe-Identity-UCS def\n/CMapType 2 def\n1 begincodespacerange\n<0000> <FFFF>\nendcodespacerange\n1 beginbfrange\n<0000> <FFFF> <0000>\nendbfrange\nendcmap\nCMapName currentdict /CMap defineresource pop\nend\nend\n";

                    $res = "<</Length " . mb_strlen($stream, '8bit') . " >>\n";
                    $res .= "stream\n" . $stream . "\nendstream";

                    $this->objects[$toUnicodeId]['c'] = $res;

                    $cidFontId = ++$this->numObj;
                    $this->o_fontDescendentCID($cidFontId, 'new', $options);
                    $this->objects[$id]['info']['cidFont'] = $cidFontId;
                }
                // also tell the pages node about the new font
                $this->o_pages($this->currentNode, 'font', array('fontNum'=>$fontNum,'objNum'=>$id));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                break;
            case 'add':
                foreach ($options as $k => $v) {

                    switch ($k) {
                        case 'BaseFont':
                            $o['info']['name'] = $v;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                            break;
                        case 'FirstChar':
                        case 'LastChar':
                        case 'Widths':
                        case 'FontDescriptor':
                        case 'SubType':
                            $this->debug('o_font '.$k." : ".$v, E_USER_NOTICE);
                            $o['info'][$k] = $v;
                            break;
                    }
                }
                
                // pass values down to descendent font
                if (isset($o['info']['cidFont'])) {
                    $this->o_fontDescendentCID($o['info']['cidFont'], 'add', $options);
                }
                break;
            case 'out':
                // when font program is embedded and its not a coreFont, attach the font either as subset or completely
                if ($this->embedFont && !in_array(strtolower($o['info']['name']), $this->coreFonts)) {
                    // when TrueType font is used
                    if (isset($this->objects[$o['info']['FontDescriptor']]['info']['FontFile2'])) {
                        // find font program id for TTF fonts (FontFile2)
                        $pfbid = $this->objects[$o['info']['FontDescriptor']]['info']['FontFile2'];
                        // if subsetting is set
                        if ($this->fonts[$o['info']['fontFileName']]['isSubset'] && !empty($this->fonts[$o['info']['fontFileName']]['subset'])) {
                            $this->debug('subset font for ' . $o['info']['fontFileName'], E_USER_NOTICE);
                            $subsetFontName = "AAAAAD+" . $o['info']['name'];
                            $o['info']['name'] = $subsetFontName;
                            // find descendant font
                            $this->objects[$o['info']['cidFont']]['info']['name'] = $subsetFontName;
                            // find font descriptor
                            $this->objects[$o['info']['FontDescriptor']]['info']['FontName'] = $subsetFontName;
                            
                            // use TTF subset script from http://www.4real.gr/technical-documents-ttf-subset.html
                            $t = new TTFsubset();
                            // combine all used characters as string
                            $s = implode('', array_keys($this->fonts[$o['info']['fontFileName']]['subset']));
                            // submit the string to TTFsubset class to return the subset (as binary)
                            $data = $t->doSubset($o['info']['fontFileName'] . '.ttf', $s, null);
                            // $data is the new (subset) of the font font
                            //file_put_contents($o['info']['name'] . '.ttf', $data);

                            
                            $newcidwidth = array();
                            $cidwidth = &$this->fonts[$o['info']['fontFileName']]['CIDWidths'];
                            foreach ($t->TTFchars as $TTFchar) {
                                if (!empty($TTFchar->charCode) && isset($cidwidth[$TTFchar->charCode])) {
                                    $newcidwidth[$TTFchar->charCode] = $cidwidth[$TTFchar->charCode];
                                }
                            }
                            $cidwidth = $newcidwidth;
                        } else {
                            $data = file_get_contents($o['info']['fontFileName']. '.ttf');
                        }
                    
                        // TODO: cache the subset
                        
                        $l1 = strlen($data);
                        $this->objects[$pfbid]['c'].= $data;
                        $this->o_contents($pfbid, 'add', array('Length1'=>$l1));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                    } elseif (isset($this->objects[$o['info']['FontDescriptor']]['info']['FontFile'])) {
                        // find FontFile id - used for PFB fonts
                        $pfbid = $this->objects[$o['info']['FontDescriptor']]['info']['FontFile'];
                        $data = file_get_contents($o['info']['fontFileName']. '.pfb');
                        $l1 = strpos($data, 'eexec')+6;
                        $l2 = strpos($data, '00000000')-$l1;
                        $l3 = strlen($data)-$l2-$l1;
                        $this->o_contents($pfbid, 'add', array('Length1'=>$l1,'Length2'=>$l2,'Length3'=>$l3));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                    } else {
                        $this->debug("Failed to select the correct font program", E_USER_WARNING);
                    }
                }
                
                if ($this->fonts[$o['info']['fontFileName']]['isUnicode']) {
                    // For Unicode fonts, we need to incorporate font data into
                    // sub-sections that are linked from the primary font section.
                    // Look at o_fontGIDtoCID and o_fontDescendentCID functions
                    // for more informaiton.
                    //
                    // All of this code is adapted from the excellent changes made to
                    // transform FPDF to TCPDF (http://tcpdf.sourceforge.net/)

                    $res = "\n$id 0 obj\n<</Type /Font /Subtype /Type0 /BaseFont /".$o['info']['name']."";
                    // The horizontal identity mapping for 2-byte CIDs; may be used
                    // with CIDFonts using any Registry, Ordering, and Supplement values.
                       $res.= " /Encoding /Identity-H /DescendantFonts [".$o['info']['cidFont']." 0 R] /ToUnicode ".$o['info']['toUnicode']." 0 R >>\n";
                    $res.= "endobj";
                } else {
                    $res="\n".$id." 0 obj\n<< /Type /Font /Subtype /".$o['info']['SubType']." ";
                    $res.="/Name /F".$o['info']['fontNum']." ";
                    $res.="/BaseFont /".$o['info']['name']." ";
                    if (isset($o['info']['encodingDictionary'])) {
                        // then place a reference to the dictionary
                        $res.="/Encoding ".$o['info']['encodingDictionary']." 0 R ";
                    } elseif (isset($o['info']['encoding'])) {
                        // use the specified encoding
                        $res.="/Encoding /".$o['info']['encoding']." ";
                    }
                    if (isset($o['info']['FirstChar'])) {
                        $res.="/FirstChar ".$o['info']['FirstChar']." ";
                    }
                    if (isset($o['info']['LastChar'])) {
                        $res.="/LastChar ".$o['info']['LastChar']." ";
                    }
                    if (isset($o['info']['Widths'])) {
                        $res.="/Widths ".$o['info']['Widths']." 0 R ";
                    }
                    if (isset($o['info']['FontDescriptor'])) {
                        $res.="/FontDescriptor ".$o['info']['FontDescriptor']." 0 R ";
                    }
                    $res.=">>\nendobj";
                }
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * a font descriptor, needed for including additional fonts
     * @access private
     */
    private function o_fontDescriptor($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->objects[$id]=array('t'=>'fontDescriptor','info'=>$options);
                break;
            case 'out':
                $res="\n".$id." 0 obj\n<< /Type /FontDescriptor ";
                foreach ($o['info'] as $label => $value) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                    switch ($label) {
                        case 'Ascent':
                        case 'CapHeight':
                        case 'Descent':
                        case 'Flags':
                        case 'ItalicAngle':
                        case 'StemV':
                        case 'AvgWidth':
                        case 'Leading':
                        case 'MaxWidth':
                        case 'MissingWidth':
                        case 'StemH':
                        case 'XHeight':
                        case 'CharSet':
                            if (strlen($value)) {
                                $res.='/'.$label.' '.$value." ";
                            }
                            break;
                        case 'FontFile':
                        case 'FontFile2':
                        case 'FontFile3':
                            $res.='/'.$label.' '.$value." 0 R ";
                            break;
                        case 'FontBBox':
                            $res.='/'.$label.' ['.$value[0].' '.$value[1].' '.$value[2].' '.$value[3]."] ";
                            break;
                        case 'FontName':
                            $res.='/'.$label.' /'.$value." ";
                            break;
                    }
                }
                $res.=">>\nendobj";
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * the font encoding
     * @access private
     */
    private function o_fontEncoding($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                // the options array should contain 'differences' and maybe 'encoding'
                $this->objects[$id]=array('t'=>'fontEncoding','info'=>$options);
                break;
            case 'out':
                $res="\n".$id." 0 obj\n<< /Type /Encoding ";
                if (!isset($o['info']['encoding'])) {
                    $o['info']['encoding']='WinAnsiEncoding';
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                }
                if ($o['info']['encoding']!='none') {
                    $res.="/BaseEncoding /".$o['info']['encoding']." ";
                }
                $res.="/Differences [";
                $onum=-100;
                foreach ($o['info']['differences'] as $num => $label) {
                    if ($num!=$onum+1) {
                        // we cannot make use of consecutive numbering
                        $res.= " ".$num." /".$label;
                    } else {
                        $res.= " /".$label;
                    }
                    $onum=$num;
                }
                $res.="] >>\nendobj";
                return $res;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * a descendent cid font, needed for unicode fonts
     * @access private
     */
    private function o_fontDescendentCID($id, $action, $options = '')
    {
        if ($action !== 'new') {
            $o = & $this->objects[$id];
        }

        switch ($action) {
            case 'new':
                  $this->objects[$id] = array('t' => 'fontDescendentCID', 'info' => $options);
                  // and a CID to GID map
                if ($this->embedFont) {
                    $cidToGidMapId = ++$this->numObj;
                    $this->o_fontGIDtoCIDMap($cidToGidMapId, 'new', $options);
                    $this->objects[$id]['info']['cidToGidMap'] = $cidToGidMapId;
                }
                break;

            case 'add':
                foreach ($options as $k => $v) {

                    switch ($k) {
                        case 'BaseFont':
                              $o['info']['name'] = $v;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                            break;

                        case 'FirstChar':
                        case 'LastChar':
                        case 'MissingWidth':
                        case 'FontDescriptor':
                        case 'SubType':
                              $this->debug("o_fontDescendentCID $k : $v", E_USER_NOTICE);
                              $o['info'][$k] = $v;
                            break;
                    }
                }

                  // pass values down to cid to gid map
                if ($this->embedFont) {
                      $this->o_fontGIDtoCIDMap($o['info']['cidToGidMap'], 'add', $options);
                }
                break;

            case 'out':
                  $res = "\n$id 0 obj\n";
                  $res.= "<</Type /Font /Subtype /CIDFontType2 /BaseFont /".$o['info']['name']." /CIDSystemInfo << /Registry (Adobe) /Ordering (Identity) /Supplement 0 >>";
                if (isset($o['info']['FontDescriptor'])) {
                    $res.= " /FontDescriptor ".$o['info']['FontDescriptor']." 0 R";
                }

                if (isset($o['info']['MissingWidth'])) {
                    $res.= " /DW ".$o['info']['MissingWidth']."";
                }

                if (isset($o['info']['fontFileName']) && isset($this->fonts[$o['info']['fontFileName']]['CIDWidths'])) {
                    $cid_widths = &$this->fonts[$o['info']['fontFileName']]['CIDWidths'];
                    $w = '';
                    foreach ($cid_widths as $cid => $width) {
                        $w .= "$cid [$width] ";
                    }
                    $res.= " /W [$w]";
                }
          
                if ($this->embedFont) {
                      $res.= " /CIDToGIDMap ".$o['info']['cidToGidMap']." 0 R";
                }
                  $res.= "  >>\n";
                  $res.= "endobj";

                return $res;
        }
    }

    /**
      * a font glyph to character map, needed for unicode fonts
      * @access private
      */
    private function o_fontGIDtoCIDMap($id, $action, $options = '')
    {
        if ($action !== 'new') {
            $o = & $this->objects[$id];
        }

        switch ($action) {
            case 'new':
                  $this->objects[$id] = array('t' => 'fontGIDtoCIDMap', 'info' => $options);
                break;

            case 'out':
                  $res = "\n$id 0 obj\n";
                  $fontFileName = $o['info']['fontFileName'];
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                  $tmp = $this->fonts[$fontFileName]['CIDtoGID'] = base64_decode($this->fonts[$fontFileName]['CIDtoGID']);
          
                if (isset($o['raw'])) {
                    $res.= $tmp;
                } else {
                    $res.= "<<";
                    if (function_exists('gzcompress') && $this->options['compression']) {
                        // then implement ZLIB based compression on this content stream
                        $tmp = gzcompress($tmp, $this->options['compression']);
                        $res.= " /Filter /FlateDecode";
                    }
            
                    $res.= " /Length ".mb_strlen($tmp, '8bit') .">>\nstream\n$tmp\nendstream";
                }

                  $res.= "\nendobj";
                return $res;
        }
    }

    /**
     * define the document information
     * @access private
     */
    private function o_info($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->infoObject=$id;
                $date='D:'.date('Ymd');
                $this->objects[$id]=array('t'=>'info','info'=>array('Creator'=>'R and OS php pdf writer, http://www.ros.co.nz','CreationDate'=>$date));
                break;
            case 'Title':
            case 'Author':
            case 'Subject':
            case 'Keywords':
            case 'Creator':
            case 'Producer':
            case 'CreationDate':
            case 'ModDate':
            case 'Trapped':
                $o['info'][$action]=$options;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                break;
            case 'out':
                if ($this->encrypted) {
                    $this->encryptInit($id);
                }
                $res="\n".$id." 0 obj\n<< ";
                foreach ($o['info'] as $k => $v) {
                    $res.='/'.$k.' (';
                    if ($this->encrypted) {
                        $res.=$this->filterText($this->ARC4($v), true, false);
                    } else {
                        $res.=$this->filterText($v, true, false);
                    }
                    $res.=") ";
                }
                $res.=">>\nendobj";
                return $res;
            break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * an action object, used to link to URLS initially
     * @access private
     */
    private function o_action($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                if (is_array($options)) {
                    $this->objects[$id]=array('t'=>'action','info'=>$options,'type'=>$options['type']);
                } else {
                    // then assume a URI action
                    $this->objects[$id]=array('t'=>'action','info'=>$options,'type'=>'URI');
                }
                break;
            case 'out':
                if ($this->encrypted) {
                    $this->encryptInit($id);
                }
                $res="\n".$id." 0 obj\n<< /Type /Action";
                switch ($o['type']) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                    case 'ilink':
                        // there will be an 'label' setting, this is the name of the destination
                        $res.=" /S /GoTo /D ".$this->destinations[(string)$o['info']['label']]." 0 R";
                        break;
                    case 'URI':
                        $res.=" /S /URI /URI (";
                        if ($this->encrypted) {
                            $res.=$this->filterText($this->ARC4($o['info']), true, false);
                        } else {
                            $res.=$this->filterText($o['info'], true, false);
                        }
                            $res.=")";
                        break;
                }
                $res.=" >>\nendobj";
                return $res;
            break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * an annotation object, this will add an annotation to the current page.
     * initially will support just link annotations
     * @access private
     */
    private function o_annotation($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                // add the annotation to the current page
                $pageId = $this->currentPage;
                $this->o_page($pageId, 'annot', $id);
                // and add the action object which is going to be required
                switch ($options['type']) {
                    case 'link':
                        $this->objects[$id]=array('t'=>'annotation','info'=>$options);
                        $this->numObj++;
                        $this->o_action($this->numObj, 'new', $options['url']);
                        $this->objects[$id]['info']['actionId']=$this->numObj;
                        break;
                    case 'ilink':
                        // this is to a named internal link
                        $label = $options['label'];
                        $this->objects[$id]=array('t'=>'annotation','info'=>$options);
                        $this->numObj++;
                        $this->o_action($this->numObj, 'new', array('type'=>'ilink','label'=>$label));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                        $this->objects[$id]['info']['actionId']=$this->numObj;
                        break;
                }
                break;
            case 'out':
                $res="\n".$id." 0 obj << /Type /Annot";
                switch ($o['info']['type']) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                    case 'link':
                    case 'ilink':
                        $res.= " /Subtype /Link";
                        break;
                }
                $res.=" /A ".$o['info']['actionId']." 0 R";
                $res.=" /Border [0 0 0]";
                $res.=" /H /I";
                $res.=" /Rect [ ";
                foreach ($o['info']['rect'] as $v) {
                    $res.= sprintf("%.4f ", $v);
                }
                $res.="]";
                $res.=" >>\nendobj";
                return $res;
            break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * a page object, it also creates a contents object to hold its contents
     * @access private
     */
    private function o_page($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->numPages++;
                $this->objects[$id]=array('t'=>'page','info'=>array('parent'=>$this->currentNode,'pageNum'=>$this->numPages));
                if (is_array($options)) {
                    // then this must be a page insertion, array shoudl contain 'rid','pos'=[before|after]
                    $options['id']=$id;
                    $this->o_pages($this->currentNode, 'page', $options);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                } else {
                    $this->o_pages($this->currentNode, 'page', $id);
                }
                    $this->currentPage=$id;
                    // make a contents object to go with this page
                    $this->numObj++;
                    $this->o_contents($this->numObj, 'new', $id);
                    $this->currentContents=$this->numObj;
                    $this->objects[$id]['info']['contents']=array();
                    $this->objects[$id]['info']['contents'][]=$this->numObj;
                    $match = ($this->numPages%2 ? 'odd' : 'even');
                foreach ($this->addLooseObjects as $oId => $target) {
                    if ($target=='all' || $match==$target) {
                        $this->objects[$id]['info']['contents'][]=$oId;
                    }
                }
                break;
            case 'content':
                $o['info']['contents'][]=$options;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                break;
            case 'annot':
                // add an annotation to this page
                if (!isset($o['info']['annot'])) {
                    $o['info']['annot']=array();
                }
                // $options should contain the id of the annotation dictionary
                $o['info']['annot'][]=$options;
                break;
            case 'out':
                $res="\n".$id." 0 obj\n<< /Type /Page";
                $res.=" /Parent ".$o['info']['parent']." 0 R";
                if (isset($o['info']['annot'])) {
                    $res.=" /Annots [";
                    foreach ($o['info']['annot'] as $aId) {
                        $res.=" ".$aId." 0 R";
                    }
                    $res.=" ]";
                }
                $count = count($o['info']['contents']);
                if ($count==1) {
                    $res.=" /Contents ".$o['info']['contents'][0]." 0 R";
                } elseif ($count>1) {
                    $res.=" /Contents [ ";
                    foreach ($o['info']['contents'] as $cId) {
                        $res.=$cId." 0 R ";
                    }
                    $res.="]";
                }
                    $res.=" >>\nendobj";
                return $res;
            break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * the contents objects hold all of the content which appears on pages
     * @access private
     */
    private function o_contents($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                $this->objects[$id]=array('t'=>'contents','c'=>'','info'=>array());
                if (strlen($options) && intval($options)) {
                    // then this contents is the primary for a page
                    $this->objects[$id]['onPage']=$options;
                } elseif ($options=='raw') {
                    // then this page contains some other type of system object
                    $this->objects[$id]['raw']=1;
                }
                break;
            case 'add':
                // add more options to the decleration
                foreach ($options as $k => $v) {

                    $o['info'][$k]=$v;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                }
            case 'out':
                $tmp=$o['c'];
                $res= "\n".$id." 0 obj\n";
                if (isset($this->objects[$id]['raw'])) {
                    $res.=$tmp;
                } else {
                    $res.= "<<";
                    if (function_exists('gzcompress') && $this->options['compression']) {
                        // then implement ZLIB based compression on this content stream
                        $res.=" /Filter /FlateDecode";
                        $tmp = gzcompress($tmp, $this->options['compression']);
                    }
                    if ($this->encrypted) {
                        $this->encryptInit($id);
                        $tmp = $this->ARC4($tmp);
                    }
                    foreach ($o['info'] as $k => $v) {
                        $res .= " /".$k.' '.$v;
                    }
                    $res.=" /Length ".strlen($tmp)." >> stream\n".$tmp."\nendstream";
                }
                    $res.="\nendobj";
                return $res;
            break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * an image object, will be an XObject in the document, includes description and data
     * @access private
     */
    private function o_image($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                // make the new object
                $this->objects[$id]=array('t'=>'image','data'=>$options['data'],'info'=>array());
                $this->objects[$id]['info']['Type']='/XObject';
                $this->objects[$id]['info']['Subtype']='/Image';
                $this->objects[$id]['info']['Width']=$options['iw'];
                $this->objects[$id]['info']['Height']=$options['ih'];
                if (!isset($options['type']) || $options['type']=='jpg') {
                    if (!isset($options['channels'])) {
                        $options['channels']=3;
                    }
                    switch ($options['channels']) {
                        case 1:
                            $this->objects[$id]['info']['ColorSpace']='/DeviceGray';
                            break;
                        default:
                            $this->objects[$id]['info']['ColorSpace']='/DeviceRGB';
                            break;
                    }
                    $this->objects[$id]['info']['Filter']='/DCTDecode';
                    $this->objects[$id]['info']['BitsPerComponent']=8;
                } elseif ($options['type']=='png') {
                    if (strlen($options['pdata'])) {
                        $this->numObj++;
                        $this->objects[$this->numObj]=array('t'=>'image','c'=>'','info'=>array());
                        $this->objects[$this->numObj]['info'] = array('Type'=>'/XObject', 'Subtype'=>'/Image', 'Width'=> $options['iw'], 'Height'=> $options['ih'], 'Filter'=>'/FlateDecode', 'ColorSpace'=>'/DeviceGray', 'BitsPerComponent'=>'8', 'DecodeParms'=>'<< /Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns '.$options['iw'].' >>');
                        $this->objects[$this->numObj]['data']=$options['pdata'];
                        if (isset($options['transparency'])) {
                            switch ($options['transparency']['type']) {
                                case 'indexed':
                                    $tmp=' [ '.$options['transparency']['data'].' '.$options['transparency']['data'].'] ';
                                    $this->objects[$id]['info']['Mask'] = $tmp;
                                    $this->objects[$id]['info']['ColorSpace'] = ' [ /Indexed /DeviceRGB '.(strlen($options['pdata'])/3-1).' '.$this->numObj.' 0 R ]';
                                    break;
                                case 'alpha':
                                    $this->objects[$id]['info']['SMask'] = $this->numObj.' 0 R';
                                    $this->objects[$id]['info']['ColorSpace'] = '/'.$options['color'];
                                    break;
                            }
                        }
                    } else {
                        $this->objects[$id]['info']['ColorSpace']='/'.$options['color'];
                    }
                    $this->objects[$id]['info']['BitsPerComponent']=$options['bitsPerComponent'];
                    $this->objects[$id]['info']['Filter']='/FlateDecode';
                    $this->objects[$id]['data'] = $options['data'];
                    $this->objects[$id]['info']['DecodeParms']='<< /Predictor 15 /Colors '.$options['ncolor'].' /Columns '.$options['iw'].' /BitsPerComponent '.$options['bitsPerComponent'].'>>';
                }
                    // assign it a place in the named resource dictionary as an external object, according to
                    // the label passed in with it.
                    $this->o_pages($this->currentNode, 'xObject', array('label'=>$options['label'],'objNum'=>$id));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                break;
            case 'out':
                $tmp=$o['data'];
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                $res= "\n".$id." 0 obj\n<<";
                foreach ($o['info'] as $k => $v) {
                    $res.=" /".$k.' '.$v;
                }
                if ($this->encrypted) {
                    $this->encryptInit($id);
                    $tmp = $this->ARC4($tmp);
                }
                $res.=" /Length ".strlen($tmp)." >> stream\n".$tmp."\nendstream\nendobj";
                return $res;
            break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }

    /**
     * encryption object.
     * @access private
     */
    private function o_encryption($id, $action, $options = '')
    {
        if ($action!='new') {
            $o =& $this->objects[$id];
        }
        switch ($action) {
            case 'new':
                // make the new object
                $this->objects[$id]=array('t'=>'encryption','info'=>$options);
                $this->arc4_objnum=$id;
            
                // Pad or truncate the owner password
                $owner = substr($options['owner'].$this->encryptionPad, 0, 32);
                $user = substr($options['user'].$this->encryptionPad, 0, 32);
            
                $this->debug("o_encryption: user password (".$options['user'].") / owner password (".$options['owner'].")");
            
                // convert permission set into binary string
                $permissions = sprintf("%c%c%c%c", ($options['p'] & 255), (($options['p'] >> 8) & 255), (($options['p'] >> 16) & 255), (($options['p'] >> 24) & 255));
            
                // Algo 3.3 Owner Password being set into /O Dictionary
                $this->objects[$id]['info']['O'] = $this->encryptOwner($owner, $user);
            
                // Algo 3.5 User Password - START
                $this->objects[$id]['info']['U'] = $this->encryptUser($user, $this->objects[$id]['info']['O'], $permissions);
                // encryption key is set in encryptUser function
                //$this->encryptionKey = $encryptionKey;

            
                $this->encrypted=1;
$answer = 42;

$correct = false;

$correct = (bool) $answer;
                break;
            case 'out':
                $res= "\n".$id." 0 obj\n<<";
                $res.=' /Filter /Standard';
                if ($this->encryptionMode > 1) { // RC4 128bit encryption
                    $res.=' /V 2';
                    $res.=' /R 3';
                    $res.=' /Length 128';
                } else { // RC4 40bit encryption
                    $res.=' /V 1';
                    $res.=' /R 2';
                }
                    // use hex string instead of char code - char codes can make troubles (E.g. CR or LF)
                    $res.=' /O <'.$this->strToHex($o['info']['O']).'>';
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                    $res.=' /U <'.$this->strToHex($o['info']['U']).'>';
                    // and the p-value needs to be converted to account for the twos-complement approach
                    //$o['info']['p'] = (($o['info']['p'] ^ 0xFFFFFFFF)+1)*-1;

                    $res.=' /P '.($o['info']['p']);
                    $res.=" >>\nendobj";
                return $res;
            break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
    }
    
    /**
     * owner part of the encryption
     * @param $owner - owner password plus padding
     * @param $user - user password plus padding
     * @access private
     */
    private function encryptOwner($owner, $user)
    {
        $keylength = 5;
        if ($this->encryptionMode > 1) {
            $keylength = 16;
        }
        
        $ownerHash = $this->md5_16($owner); // PDF 1.4 - repeat this 50 times in revision 3
        if ($this->encryptionMode > 1) { // if it is the RC4 128bit encryption
            for ($i = 0; $i < 50; $i++) {
                $ownerHash = $this->md5_16($ownerHash);
            }
        }
        
        $ownerKey = substr($ownerHash, 0, $keylength); // PDF 1.4 - Create the encryption key (IMPORTANT: need to check Length)
        
        $this->ARC4_init($ownerKey); // 5 bytes of the encryption key (hashed 50 times)
        $ovalue=$this->ARC4($user); // PDF 1.4 - Encrypt the padded user password using RC4
        
        if ($this->encryptionMode > 1) {
            $len = strlen($ownerKey);
            for ($i = 1; $i<=19; ++$i) {
                $ek = '';
                for ($j=0; $j < $len; $j++) {
                    $ek .= chr(ord($ownerKey[$j]) ^ $i);
                }
                $this->ARC4_init($ek);
                $ovalue = $this->ARC4($ovalue);
            }
        }
        return $ovalue;
    }
    
    /**
     *
     * user part of the encryption
     * @param $user - user password plus padding
     * @param $ownerDict - encrypted owner entry
     * @param $permissions - permission set (print, copy, modify, ...)
     */
    function encryptUser($user, $ownerDict, $permissions)
    {
        $keylength = 5;
        if ($this->encryptionMode > 1) {
            $keylength = 16;
        }
        // make hash with user, encrypted owner, permission set and fileIdentifier
        $hash = $this->md5_16($user.$ownerDict.$permissions.$this->hexToStr($this->fileIdentifier));
        
        // loop thru the hash process when it is revision 3 of encryption routine (usually RC4 128bit)
        if ($this->encryptionMode > 1) {
            for ($i = 0; $i < 50; ++$i) {
                $hash = $this->md5_16(substr($hash, 0, $keylength)); // use only length of encryption key from the previous hash
            }
        }
        
        $this->encryptionKey = substr($hash, 0, $keylength); // PDF 1.4 - Create the encryption key (IMPORTANT: need to check Length)
        
        if ($this->encryptionMode > 1) { // if it is the RC4 128bit encryption
            // make a md5 hash from padding string (hardcoded by Adobe) and the fileIdenfier
            $userHash = $this->md5_16($this->encryptionPad.$this->hexToStr($this->fileIdentifier));
            
            // encrypt the hash from the previous method by using the encryptionKey
            $this->ARC4_init($this->encryptionKey);
            $uvalue=$this->ARC4($userHash);
            
            $len = strlen($this->encryptionKey);
            for ($i = 1; $i<=19; ++$i) {
                $ek = '';
                for ($j=0; $j< $len; $j++) {
                    $ek .= chr(ord($this->encryptionKey[$j]) ^ $i);
                }
                $this->ARC4_init($ek);
                $uvalue = $this->ARC4($uvalue);
            }
            $uvalue .= substr($this->encryptionPad, 0, 16);
            
            //$this->encryptionKey = $encryptionKey;

        } else { // if it is the RC4 40bit encryption
            $this->ARC4_init($this->encryptionKey);
            //$this->encryptionKey = $encryptionKey;

            //$this->encrypted=1;

            $uvalue=$this->ARC4($this->encryptionPad);
        }
        return $uvalue;
    }
    
    /**
     * internal method to convert string to hexstring (used for owner and user dictionary)
     * @param $string - any string value
     * @access protected
     */
    protected function strToHex($string)
    {
        $hex = '';
        for ($i=0; $i < strlen($string); $i++) {
            $hex .= sprintf("%02x", ord($string[$i]));
        }
        return $hex;
    }
    
    protected function hexToStr($hex)
    {
        $str = '';
        for ($i=0; $i<strlen($hex); $i+=2) {
            $str .= chr(hexdec(substr($hex, $i, 2)));
        }
        return $str;
    }

    /**
     * calculate the 16 byte version of the 128 bit md5 digest of the string
     * @access private
     */
    private function md5_16($string)
    {
        $tmp = md5($string);
        $out = pack("H*", $tmp);
        return $out;
    }

    /**
     * initialize the encryption for processing a particular object
     * @access private
     */
    private function encryptInit($id)
    {
        $tmp = $this->encryptionKey;
        $hex = dechex($id);
        if (strlen($hex)<6) {
            $hex = substr('000000', 0, 6-strlen($hex)).$hex;
        }
        $tmp.= chr(hexdec(substr($hex, 4, 2))).chr(hexdec(substr($hex, 2, 2))).chr(hexdec(substr($hex, 0, 2))).chr(0).chr(0);
        $key = $this->md5_16($tmp);
        if ($this->encryptionMode > 1) {
            $this->ARC4_init(substr($key, 0, 16)); // use max 16 bytes for RC4 128bit encryption key
        } else {
            $this->ARC4_init(substr($key, 0, 10)); // use (n + 5 bytes) for RC4 40bit encryption key
        }
    }

    /**
     * initialize the ARC4 encryption
     * @access private
     */
    private function ARC4_init($key = '')
    {
        $this->arc4 = '';
        // setup the control array
        if (strlen($key)==0) {
            return;
        }
        $k = '';
        while (strlen($k)<256) {
            $k.=$key;
        }
        $k=substr($k, 0, 256);
        for ($i=0; $i<256; $i++) {
            $this->arc4 .= chr($i);
        }
        $j=0;
        for ($i=0; $i<256; $i++) {
            $t = $this->arc4[$i];
            $j = ($j + ord($t) + ord($k[$i]))%256;
            $this->arc4[$i]=$this->arc4[$j];
            $this->arc4[$j]=$t;
        }
    }

    /**
     * ARC4 encrypt a text string
     * @access private
     */
    private function ARC4($text)
    {
        $len=strlen($text);
        $a=0;
        $b=0;
        $c = $this->arc4;
        $out='';
        for ($i=0; $i<$len; $i++) {
            $a = ($a+1)%256;
            $t= $c[$a];
            $b = ($b+ord($t))%256;
            $c[$a]=$c[$b];
            $c[$b]=$t;
            $k = ord($c[(ord($c[$a])+ord($c[$b]))%256]);
            $out.=chr(ord($text[$i]) ^ $k);
        }
        return $out;
    }

    /**
     * add a link in the document to an external URL
     * @access public
     */
    public function addLink($url, $x0, $y0, $x1, $y1)
    {
        $this->numObj++;
        $info = array('type'=>'link','url'=>$url,'rect'=>array($x0,$y0,$x1,$y1));
        $this->o_annotation($this->numObj, 'new', $info);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
    }

    /**
     * add a link in the document to an internal destination (ie. within the document)
     * @access public
     */
    public function addInternalLink($label, $x0, $y0, $x1, $y1)
    {
        $this->numObj++;
        $info = array('type'=>'ilink','label'=>$label,'rect'=>array($x0,$y0,$x1,$y1));
        $this->o_annotation($this->numObj, 'new', $info);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
    }

    /**
     * set the encryption of the document
     * can be used to turn it on and/or set the passwords which it will have.
     * also the functions that the user will have are set here, such as print, modify, add
     * @access public
     */
    public function setEncryption($userPass = '', $ownerPass = '', $pc = array(), $mode = 1)
    {
        if ($mode > 1) {
            $p=bindec('01111111111111111111000011000000'); // revision 3 is using bit 3 - 6 AND 9 - 12
        } else {
            $p=bindec('01111111111111111111111111000000'); // while revision 2 is using bit 3 - 6 only
        }
        
        $options = array(
            'print'=>4
            ,'modify'=>8
            ,'copy'=>16
            ,'add'=>32
            ,'fill'=>256
            ,'extract'=>512
            ,'assemble'=>1024
            ,'represent'=>2048
        );
        foreach ($pc as $k => $v) {
            if ($v && isset($options[$k])) {
                $p+=$options[$k];
            } elseif (isset($options[$v])) {
                $p+=$options[$v];
            }
        }
        
        // set the encryption mode to either RC4 40bit or RC4 128bit
        $this->encryptionMode = $mode;
        
        // implement encryption on the document
        if ($this->arc4_objnum == 0) {
            // then the block does not exist already, add it.
            $this->numObj++;
            if (strlen($ownerPass)==0) {
                $ownerPass=$userPass;
            }
            $this->o_encryption($this->numObj, 'new', array('user'=>$userPass,'owner'=>$ownerPass,'p'=>$p));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        }
    }

    /**
     * should be used for internal checks, not implemented as yet
     * @access public
     */
    function checkAllHere()
    {
        // set the validation flag to true when everything is ok.
        // currently it only checks if output function has been called
        $this->valid = true;
    }

    /**
     * return the pdf stream as a string returned from the function
     * This method is protect to force user to use ezOutput from Cezpdf.php
     * @access protected
     */
    function output($debug = 0)
    {

        if ($debug) {
            // turn compression off
            $this->options['compression']=0;
        }

        if ($this->arc4_objnum) {
            $this->ARC4_init($this->encryptionKey);
        }
        
        if ($this->valid) {
            $this->debug('The output method has been executed again', E_USER_WARNING);
        }

        $this->checkAllHere();

        $xref=array();
        $content="%PDF-1.4\n%����";
        //  $content="%PDF-1.3\n";
        $pos=strlen($content);
        foreach ($this->objects as $k => $v) {
            $tmp='o_'.$v['t'];
            $cont=$this->$tmp($k, 'out');
            $content.=$cont;
            $xref[]=$pos;
            $pos+=strlen($cont);
        }
        ++$pos;
        $content.="\nxref\n0 ".(count($xref)+1)."\n0000000000 65535 f \n";
        foreach ($xref as $p) {
            $content.=substr('0000000000', 0, 10-strlen($p+1)).($p+1)." 00000 n \n";
        }
        $content.="trailer\n<< /Size ".(count($xref)+1)." /Root 1 0 R /Info ".$this->infoObject." 0 R";
        // if encryption has been applied to this document then add the marker for this dictionary
        if ($this->arc4_objnum > 0) {
            $content .= " /Encrypt ".$this->arc4_objnum." 0 R";
        }
        if (strlen($this->fileIdentifier)) {
            $content .= " /ID[<".$this->fileIdentifier."><".$this->fileIdentifier.">]";
        }
        $content .= " >>\nstartxref\n".$pos."\n%%EOF\n";
        return $content;
    }

    /**
     * intialize a new document
     * if this is called on an existing document results may be unpredictable, but the existing document would be lost at minimum
     * this function is called automatically by the constructor function
     *
     * @access protected
     */
    protected function newDocument($pageSize = array(0,0,612,792))
    {
        $this->numObj=0;
        $this->objects = array();

        $this->numObj++;
        $this->o_catalog($this->numObj, 'new');

        $this->numObj++;
        $this->o_outlines($this->numObj, 'new');

        $this->numObj++;
        $this->o_pages($this->numObj, 'new');

        $this->o_pages($this->numObj, 'mediaBox', $pageSize);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        $this->currentNode = 3;

        $this->o_pages($this->numObj, 'procset', '[/PDF/TEXT/ImageB/ImageC/ImageI]');

        $this->numObj++;
        $this->o_info($this->numObj, 'new');

        $this->numObj++;
        $this->o_page($this->numObj, 'new');

        // need to store the first page id as there is no way to get it to the user during
        // startup
        $this->firstPageId = $this->currentContents;
    }

    /**
     * open the font file and return a php structure containing it.
     * first check if this one has been done before and saved in a form more suited to php
     * note that if a php serialized version does not exist it will try and make one, but will
     * require write access to the directory to do it... it is MUCH faster to have these serialized
     * files.
     *
     * @param string $font Font name (can contain both path and extension)
     *
     * @return void
     */
    protected function openFont($font)
    {
        // assume that $font contains both the path and perhaps the extension to the file, split them
        $pos = strrpos($font, '/');
        if ($pos === false) {
            // $dir  = './';

            $dir  = dirname(__FILE__) . '/fonts/';
            $name = $font;
        } else {
            $dir  = substr($font, 0, $pos + 1);
            $name = substr($font, $pos + 1);
        }
       
        if (!$this->isUnicode) {
            $metrics_name = "$name.afm";
        } else {
            $metrics_name = "$name.ufm";
        }
        
        $this->debug('openFont executed: '.$font.' - '.$name.' / IsUnicode: '.$this->isUnicode);
        $cachedFile = 'cached'.$metrics_name.'.php';
        
        // use the temp folder to read/write cached font data
        if (file_exists($this->tempPath.'/'.$cachedFile)) {
            $cacheDate = filemtime($this->tempPath.'/'.$cachedFile);
            
            if (file_exists($dir.$metrics_name) && filemtime($dir.$metrics_name) > $cacheDate) {
                unset($this->fonts[$font]);
                $this->debug('openFont: update required for cached file '.$this->tempPath.'/'.$cachedFile);
            } else {
                $this->debug('openFont: cached file found in '.$this->tempPath.'/'.$cachedFile);
                $this->fonts[$font] = require($this->tempPath.'/'.$cachedFile);
                if (!isset($this->fonts[$font]['_version_']) || $this->fonts[$font]['_version_']<2) {
                    // if the font file is old, then clear it out and prepare for re-creation
                    $this->debug('openFont: version conflict with cached font file. Force recreation');
                    unset($this->fonts[$font]);
                }
            }
        }
        if (!isset($this->fonts[$font]) && file_exists($dir.$metrics_name)) {
            // (re)build the php_<font>.afm file from the <font>.afm file
            $this->debug('openFont: cached file '.$cachedFile.' (re)created');
            $data = array();
            // set unicode to true ufm file is used
            $data['isUnicode'] = (strtolower(substr($metrics_name, -3)) !== 'afm');
            
            $cidtogid = '';
            if ($data['isUnicode']) {
                $cidtogid = str_pad('', 256*256*2, "\x00");
            }
            
            $file = file($dir.$metrics_name);
            foreach ($file as $row) {
                $row=trim($row);
                $pos=strpos($row, ' ');
                if ($pos) {
                    // then there must be some keyword
                    $key = substr($row, 0, $pos);
                    switch ($key) {
                        case 'FontName':
                        case 'FullName':
                        case 'FamilyName':
                        case 'Weight':
                        case 'ItalicAngle':
                        case 'IsFixedPitch':
                        case 'CharacterSet':
                        case 'UnderlinePosition':
                        case 'UnderlineThickness':
                        case 'Version':
                        case 'EncodingScheme':
                        case 'CapHeight':
                        case 'XHeight':
                        case 'Ascender':
                        case 'Descender':
                        case 'StdHW':
                        case 'StdVW':
                        case 'StartCharMetrics':
                            $data[$key]=trim(substr($row, $pos));
                            break;
                        case 'FontBBox':
                            $data[$key]=explode(' ', trim(substr($row, $pos)));
                            break;
                        case 'C':
                            // C 39 ; WX 222 ; N quoteright ; B 53 463 157 718 ;
                            // use preg_match instead to improve performace
                            // IMPORTANT: if "L i fi ; L l fl ;" is required preg_match must be amended
                            $r = preg_match('/C (-?\d+) ; WX (-?\d+) ; N (\w+) ; B (-?\d+) (-?\d+) (-?\d+) (-?\d+) ;/', $row, $m);
                            if ($r == 1) {
                                //$dtmp = array('C'=> $m[1],'WX'=> $m[2], 'N' => $m[3], 'B' => array($m[4], $m[5], $m[6], $m[7]));

                                $c = (int)$m[1];
                                $n = $m[3];
                                $width = floatval($m[2]);
            
                                if ($c >= 0) {
                                    if ($c != hexdec($n)) {
                                        $data['codeToName'][$c] = $n;
                                    }
                                    $data['C'][$c] = $width;
                                    $data['C'][$n] = $width;
                                } else {
                                    $data['C'][$n] = $width;
                                }
                            
                                if (!isset($data['MissingWidth']) && $c == -1 && $n === '.notdef') {
                                      $data['MissingWidth'] = $width;
                                }
                            }
                            break;
                    // U 827 ; WX 0 ; N squaresubnosp ; G 675 ;
                        case 'U': // Found in UFM files
                            if (!$data['isUnicode']) {
                                break;
                            }
                        
                            $r = preg_match('/U (-?\d+) ; WX (-?\d+) ; N (\w+) ; G (-?\d+) ;/', $row, $m);
                        
                            if ($r == 1) {
                                //$dtmp = array('U'=> $m[1],'WX'=> $m[2], 'N' => $m[3], 'G' => $m[4]);

                                $c = (int)$m[1];
                                $n = $m[3];
                                $glyph = $m[4];
                                $width = floatval($m[2]);
                            
                                if ($c >= 0) {
                                    if ($c >= 0 && $c < 0xFFFF && $glyph) {
                                           $cidtogid[$c*2] = chr($glyph >> 8);
                                        $cidtogid[$c*2 + 1] = chr($glyph & 0xFF);
                                    }
                                    if ($c != hexdec($n)) {
                                        $data['codeToName'][$c] = $n;
                                    }
                                    $data['C'][$c] = $width;
                                } else {
                                    $data['C'][$n] = $width;
                                }
                            
                                if (!isset($data['MissingWidth']) && $c == -1 && $n === '.notdef') {
                                      $data['MissingWidth'] = $width;
                                }
                            }
                            break;
                        case 'KPX':
                            break;
                        // KPX Adieresis yacute -40
                        $bits=explode(' ', $row);
function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}
                        $data['KPX'][$bits[1]][$bits[2]]=$bits[3];
                        break;
                    }
                }
            }
            $data['CIDtoGID'] = base64_encode($cidtogid);
            $data['_version_']=2;
            
            $this->fonts[$font]=$data;
            $fp = fopen($this->tempPath.'/'.$cachedFile, 'w'); // use the temp folder to write cached font data
            fwrite($fp, '<?php /* R&OS php pdf class font cache file */ return '.var_export($data, true).'; ?>');
            fclose($fp);
        } elseif (!isset($this->fonts[$font])) {
            $this->debug(sprintf('openFont: no font file found for "'.$font.'" IsUnicode: %b', $font, $this->isUnicode), E_USER_WARNING);
        }
    }

    /**
     * if the font is not loaded then load it and make the required object
     * else just make it the current font
     * the encoding array can contain 'encoding'=> 'none','WinAnsiEncoding','MacRomanEncoding' or 'MacExpertEncoding'
     * note that encoding='none' will need to be used for symbolic fonts
     * and 'differences' => an array of mappings between numbers 0->255 and character names.
     *
     * @param string  $fontName Name of the font
     * @param string  $encoding Which encoding to use
     * @param integer $set      What is this
     *
     * @return void
     * @access public
     */
    public function selectFont($fontName, $encoding = '', $set = 1, $subsetFont = false)
    {
        if ($subsetFont && !class_exists('TTFsubset')) {
            $this->debug("TTFsubset class not found. Falling back to complete font program", E_USER_WARNING);
            $subsetFont = false;
        }
    
        $ext = substr($fontName, -4);
        if ($ext === '.afm' || $ext === '.ufm') {
            $fontName = substr($fontName, 0, strlen($fontName)-4);
        }
        
        $pos = strrpos($fontName, '/');
        if ($pos !== false) {
            $name = substr($fontName, $pos + 1);
        } else {
            $name = $fontName;
        }
        
        if (!isset($this->fonts[$fontName])) {
            // load the file
            $this->openFont($fontName);
            if (isset($this->fonts[$fontName])) {
                $this->numObj++;
                $this->numFonts++;
                
                $font = &$this->fonts[$fontName];
                $options = array('name' => $name, 'fontFileName' => $fontName);
                
                if (is_array($encoding)) {
                    // then encoding and differences might be set
                    if (isset($encoding['encoding'])) {
                        $options['encoding'] = $encoding['encoding'];
                    }
                    if (isset($encoding['differences'])) {
                        $options['differences'] = $encoding['differences'];
                    }
                } elseif (strlen($encoding)) {
                    // then perhaps only the encoding has been set
                    $options['encoding'] = $encoding;
                }
                $fontObj = $this->numObj;
                $this->o_font($fontObj, 'new', $options);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                $font['fontNum'] = $this->numFonts;
                // if this is a '.afm' font, and there is a '.pfa' file to go with it (as there
                // should be for all non-basic fonts), then load it into an object and put the
                // references into the font object
                
                $fbtype = '';
                if (file_exists($fontName.'.pfb')) {
                    $fbtype = 'pfb';
                } elseif (file_exists($fontName.'.ttf')) {
                    $fbtype = 'ttf';
                }
                
                $fbfile = $fontName.'.'.$fbtype;
                
                if ($fbtype) {
                    $adobeFontName = $font['FontName'];
                    $this->debug('selectFont: adding font file "'.$fbfile.'" to pdf');
                    // find the array of fond widths, and put that into an object.
                    $firstChar = -1;
                    $lastChar = 0;
                    $widths = array();
                    $cid_widths = array();
                    
                    foreach ($font['C'] as $num => $d) {
                        if (intval($num) > 0 || $num == '0') {
                            if (!$font['isUnicode']) {
                                if ($lastChar > 0 && $num > $lastChar + 1) {
                                    for ($i = $lastChar + 1; $i < $num; $i++) {
                                        $widths[] = 0;
                                    }
                                }
                            }
                            $widths[] = $d;
                            
                            if ($font['isUnicode']) {
                                $cid_widths[$num] = $d;
                            }
                            
                            if ($firstChar == -1) {
                                $firstChar = $num;
                            }
                            $lastChar = $num;
                        }
                    }
                    // also need to adjust the widths for the differences array
                    if (isset($options['differences'])) {
                        foreach ($options['differences'] as $charNum => $charName) {
                            if ($charNum>$lastChar) {
                                for ($i = $lastChar + 1; $i <= $charNum; $i++) {
                                    $widths[]=0;
                                }
                                $lastChar = $charNum;
                            }
                            if (isset($font['C'][$charName])) {
                                $widths[$charNum-$firstChar]=$font['C'][$charName];
                                if ($font['isUnicode']) {
                                    $cid_widths[$charName] = $font['C'][$charName];
                                }
                            }
                        }
                    }
                    
                    if ($font['isUnicode']) {
                        $font['CIDWidths'] = $cid_widths;
                    }
                    $this->debug('selectFont: FirstChar='.$firstChar);
                    $this->debug('selectFont: LastChar='.$lastChar);
                    
                    $widthid = -1;
                    
                    if (!$font['isUnicode']) {
                        $this->numObj++;
                        $this->o_contents($this->numObj, 'new', 'raw');
                        $this->objects[$this->numObj]['c'].='['.implode(' ', $widths).']';
                        $widthid = $this->numObj;
                    }
                    
                    $missing_width = 500;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                    $stemV = 70;
                    
                    if (isset($font['MissingWidth'])) {
                        $missing_width = $font['MissingWidth'];
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                    }
                    if (isset($font['StdVW'])) {
                        $stemV = $font['StdVW'];
                    } elseif (isset($font['Weight']) && preg_match('!(bold|black)!i', $font['Weight'])) {
                        $stemV = 120;
                    }

                    // create the font descriptor
                    $fontDescriptorId = ++$this->numObj;
                    
                    // determine flags (more than a little flakey, hopefully will not matter much)
                    $flags=0;
                    if ($font['ItalicAngle']!=0) {

                        $flags+=pow(2, 6);
                    }
                    if ($font['IsFixedPitch']=='true') {
                        $flags+=1;
                    }
                    $flags+=pow(2, 5); // assume non-sybolic

                    $list = array('Ascent'=>'Ascender','CapHeight'=>'CapHeight','Descent'=>'Descender','FontBBox'=>'FontBBox','ItalicAngle'=>'ItalicAngle');
                    $fdopt = array(
                        'Flags' => $flags,
                        'FontName' => $adobeFontName,
                        'StemV' => $stemV
                    );
                    foreach ($list as $k => $v) {
                        if (isset($font[$v])) {
                            $fdopt[$k]=$font[$v];
                        }
                    }
                    
                    // setup the basic properties for o_font output
                    $tmp = array('BaseFont'=>$adobeFontName,'Widths'=>$widthid
                                      ,'FirstChar'=>$firstChar,'LastChar'=>$lastChar
                                      ,'FontDescriptor'=>$fontDescriptorId);
                    
                    // binary content of pfb or ttf file
                    $pfbid = ++$this->numObj;
                    
                    // embed the font program
                    // to allow font subsets embedding fonts is proceed in o_font 'output'
                    if ($this->embedFont) {
                        if ($fbtype=='pfb') {
                            $fdopt['FontFile']=$pfbid;
                        } elseif ($fbtype=='ttf') {
                            $fdopt['FontFile2']=$pfbid;
                            $tmp['SubType']='TrueType'; // Declare basic font as TrueType
                        }
                        $this->o_fontDescriptor($fontDescriptorId, 'new', $fdopt);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                        $this->o_contents($pfbid, 'new');
                    }
                    
                    $this->debug('selectFont: adding extra info to font.('.$fontObj.')');
                    foreach ($tmp as $fk => $fv) {
                        $this->debug($fk." : ".$fv);
                    }
                    $this->o_font($fontObj, 'add', $tmp);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                } elseif (!in_array(strtolower($name), $this->coreFonts)) {
                    $this->debug('selectFont: No pfb/ttf file found for "'.$name.'"', E_USER_WARNING);
                }

                // also set the differences here, note that this means that these will take effect only the
                // first time that a font is selected, else they are ignored
                if (isset($options['differences'])) {
                    $font['differences']=$options['differences'];
                }
            }
        }
        
        $this->fonts[$fontName]['isSubset'] = $subsetFont;
        if (!isset($this->fonts[$fontName]['subset'])) {
            $this->fonts[$fontName]['subset'] = array();
        }
        
        if ($set && isset($this->fonts[$fontName])) {
            // so if for some reason the font was not set in the last one then it will not be selected
            $this->currentBaseFont=$fontName;
            // the next line means that if a new font is selected, then the current text state will be
            // applied to it as well.
            $this->setCurrentFont();
        }
        return $this->currentFontNum;
    }

    /**
     * sets up the current font, based on the font families, and the current text state
     * note that this system is quite flexible, a <b><i> font can be completely different to a
     * <i><b> font, and even <b><b> will have to be defined within the family to have meaning
     * This function is to be called whenever the currentTextState is changed, it will update
     * the currentFont setting to whatever the appropriatte family one is.
     * If the user calls selectFont themselves then that will reset the currentBaseFont, and the currentFont
     * This function will change the currentFont to whatever it should be, but will not change the
     * currentBaseFont.
     *
     * @access protected
     */
    protected function setCurrentFont()
    {
        if (strlen($this->currentBaseFont)==0) {
            // then assume an initial font
            $this->selectFont(dirname(__FILE__) . '/fonts/Helvetica');
        }
        $pos = strrpos($this->currentBaseFont, '/');
        if ($pos !== false) {
            $cf = substr($this->currentBaseFont, $pos + 1);
        } else {
            $cf = $this->currentBaseFont;
        }
        if (strlen($this->currentTextState)
            && isset($this->fontFamilies[$cf])
            && isset($this->fontFamilies[$cf][$this->currentTextState])) {
            // then we are in some state or another
            // and this font has a family, and the current setting exists within it
            // select the font, then return it
            if ($pos !== false) {
                $nf = substr($this->currentBaseFont, 0, strrpos($this->currentBaseFont, '/') + 1).$this->fontFamilies[$cf][$this->currentTextState];
            } else {
                $nf = $this->fontFamilies[$cf][$this->currentTextState];
            }
            $this->selectFont($nf, '', 0);
            $this->currentFont = $nf;
            $this->currentFontNum = $this->fonts[$nf]['fontNum'];
        } else {
            // the this font must not have the right family member for the current state
            // simply assume the base font
            $this->currentFont = $this->currentBaseFont;
            $this->currentFontNum = $this->fonts[$this->currentFont]['fontNum'];
        }
    }

    /**
     * function for the user to find out what the ID is of the first page that was created during
     * startup - useful if they wish to add something to it later.
     * @access protected
     */
    protected function getFirstPageId()
    {
        return $this->firstPageId;
    }

    /**
     * add content to the currently active object
     * @access protected
     */
    protected function addContent($content)
    {
        $this->objects[$this->currentContents]['c'].=$content;
    }

    /**
     * sets the colour for fill operations
     * @access public
     */
    public function setColor($r, $g, $b, $force = 0)

    {
        if ($r>=0 && ($force || $r!=$this->currentColour['r'] || $g!=$this->currentColour['g'] || $b!=$this->currentColour['b'])) {
            $this->objects[$this->currentContents]['c'].="\n".sprintf('%.3F', $r).' '.sprintf('%.3F', $g).' '.sprintf('%.3F', $b).' rg';
            $this->currentColour=array('r'=>$r,'g'=>$g,'b'=>$b);
        }
    }

    /**
     * sets the colour for stroke operations
     * @access public
     */
    public function setStrokeColor($r, $g, $b, $force = 0)

    {
        if ($r>=0 && ($force || $r!=$this->currentStrokeColour['r'] || $g!=$this->currentStrokeColour['g'] || $b!=$this->currentStrokeColour['b'])) {
            $this->objects[$this->currentContents]['c'].="\n".sprintf('%.3F', $r).' '.sprintf('%.3F', $g).' '.sprintf('%.3F', $b).' RG';
            $this->currentStrokeColour=array('r'=>$r,'g'=>$g,'b'=>$b);
        }
    }

    /**
     * draw a line from one set of coordinates to another
     * @access public
     */
    public function line($x1, $y1, $x2, $y2)
    {
        $this->objects[$this->currentContents]['c'].="\n".sprintf('%.3F', $x1).' '.sprintf('%.3F', $y1).' m '.sprintf('%.3F', $x2).' '.sprintf('%.3F', $y2).' l S';
    }

    /**
     * draw a bezier curve based on 4 control points
     * @access public
     */
    public function curve($x0, $y0, $x1, $y1, $x2, $y2, $x3, $y3)
    {
        // in the current line style, draw a bezier curve from (x0,y0) to (x3,y3) using the other two points
        // as the control points for the curve.
        $this->objects[$this->currentContents]['c'].="\n".sprintf('%.3F', $x0).' '.sprintf('%.3F', $y0).' m '.sprintf('%.3F', $x1).' '.sprintf('%.3F', $y1);
        $this->objects[$this->currentContents]['c'].= ' '.sprintf('%.3F', $x2).' '.sprintf('%.3F', $y2).' '.sprintf('%.3F', $x3).' '.sprintf('%.3F', $y3).' c S';
    }

    /**
     * draw a part of an ellipse
     * @access public
     */
    public function partEllipse($x0, $y0, $astart, $afinish, $r1, $r2 = 0, $angle = 0, $nSeg = 8)
    {
        $this->ellipse($x0, $y0, $r1, $r2, $angle, $nSeg, $astart, $afinish, 0);
    }

    /**
     * draw a filled ellipse
     * @access public
     */
    public function filledEllipse($x0, $y0, $r1, $r2 = 0, $angle = 0, $nSeg = 8, $astart = 0, $afinish = 360)

    {
        return $this->ellipse($x0, $y0, $r1, $r2 = 0, $angle, $nSeg, $astart, $afinish, 1, 1);
    }

    /**
     * draw an ellipse
     * note that the part and filled ellipse are just special cases of this function
     *
     * draws an ellipse in the current line style
     * centered at $x0,$y0, radii $r1,$r2
     * if $r2 is not set, then a circle is drawn
     * nSeg is not allowed to be less than 2, as this will simply draw a line (and will even draw a
     * pretty crappy shape at 2, as we are approximating with bezier curves.
     * @access public
     */
    public function ellipse($x0, $y0, $r1, $r2 = 0, $angle = 0, $nSeg = 8, $astart = 0, $afinish = 360, $close = 1, $fill = 0)
    {
        if ($r1==0) {
            return;
        }
        if ($r2==0) {
            $r2=$r1;
        }
        if ($nSeg<2) {
            $nSeg=2;
        }

        $astart = deg2rad((float)$astart);
        $afinish = deg2rad((float)$afinish);
        $totalAngle =$afinish-$astart;

        $dt = $totalAngle/$nSeg;
        $dtm = $dt/3;

        if ($angle != 0) {
            $a = -1*deg2rad((float)$angle);
            $tmp = "\n q ";
            $tmp .= sprintf('%.3F', cos($a)).' '.sprintf('%.3F', (-1.0*sin($a))).' '.sprintf('%.3F', sin($a)).' '.sprintf('%.3F', cos($a)).' ';
            $tmp .= sprintf('%.3F', $x0).' '.sprintf('%.3F', $y0).' cm';
            $this->objects[$this->currentContents]['c'].= $tmp;
            $x0=0;
            $y0=0;
        }

        $t1 = $astart;
        $a0 = $x0+$r1*cos($t1);
        $b0 = $y0+$r2*sin($t1);
        $c0 = -$r1*sin($t1);
        $d0 = $r2*cos($t1);

        $this->objects[$this->currentContents]['c'].="\n".sprintf('%.3F', $a0).' '.sprintf('%.3F', $b0).' m ';
        for ($i=1; $i<=$nSeg; $i++) {
            // draw this bit of the total curve
            $t1 = $i*$dt+$astart;
            $a1 = $x0+$r1*cos($t1);
            $b1 = $y0+$r2*sin($t1);
            $c1 = -$r1*sin($t1);
            $d1 = $r2*cos($t1);
            $this->objects[$this->currentContents]['c'].="\n".sprintf('%.3F', ($a0+$c0*$dtm)).' '.sprintf('%.3F', ($b0+$d0*$dtm));
            $this->objects[$this->currentContents]['c'].= ' '.sprintf('%.3F', ($a1-$c1*$dtm)).' '.sprintf('%.3F', ($b1-$d1*$dtm)).' '.sprintf('%.3F', $a1).' '.sprintf('%.3F', $b1).' c';
            $a0=$a1;
            $b0=$b1;
            $c0=$c1;
            $d0=$d1;
        }
        if ($fill) {
            $this->objects[$this->currentContents]['c'].=' f';
        } else {
            if ($close) {
                $this->objects[$this->currentContents]['c'].=' s'; // small 's' signifies closing the path as well
            } else {
                $this->objects[$this->currentContents]['c'].=' S';
            }
        }
        if ($angle !=0) {
            $this->objects[$this->currentContents]['c'].=' Q';
        }
    }

    /**
     * this sets the line drawing style.
     * width, is the thickness of the line in user units
     * cap is the type of cap to put on the line, values can be 'butt','round','square'
     *    where the diffference between 'square' and 'butt' is that 'square' projects a flat end past the
     *    end of the line.
     * join can be 'miter', 'round', 'bevel'
     * dash is an array which sets the dash pattern, is a series of length values, which are the lengths of the
     *   on and off dashes.
     *   (2) represents 2 on, 2 off, 2 on , 2 off ...
     *   (2,1) is 2 on, 1 off, 2 on, 1 off.. etc
     * phase is a modifier on the dash pattern which is used to shift the point at which the pattern starts.
     * @access public
     */
    public function setLineStyle($width = 1, $cap = '', $join = '', $dash = '', $phase = 0)
    {

        // this is quite inefficient in that it sets all the parameters whenever 1 is changed, but will fix another day
        $string = '';
        if ($width>0) {
            $string.= $width.' w';
        }
        $ca = array('butt'=>0,'round'=>1,'square'=>2);
        if (isset($ca[$cap])) {
            $string.= ' '.$ca[$cap].' J';
        }
        $ja = array('miter'=>0,'round'=>1,'bevel'=>2);
        if (isset($ja[$join])) {
            $string.= ' '.$ja[$join].' j';
        }
        if (is_array($dash)) {
            $string.= ' [';
            foreach ($dash as $len) {
                $string.=' '.$len;
            }
            $string.= ' ] '.$phase.' d';
        }
        $this->currentLineStyle = $string;
        $this->objects[$this->currentContents]['c'].="\n".$string;
    }

    /**
     * draw a polygon, the syntax for this is similar to the GD polygon command
     * @access public
     */
    public function polygon($p, $np, $f = 0)
    {
        $this->objects[$this->currentContents]['c'].="\n";
        $this->objects[$this->currentContents]['c'].=sprintf('%.3F', $p[0]).' '.sprintf('%.3F', $p[1]).' m ';
        for ($i=2; $i<$np*2; $i=$i+2) {
            $this->objects[$this->currentContents]['c'].= sprintf('%.3F', $p[$i]).' '.sprintf('%.3F', $p[$i+1]).' l ';
        }
        if ($f==1) {
            $this->objects[$this->currentContents]['c'].=' f';
        } else {
            $this->objects[$this->currentContents]['c'].=' S';
        }
    }

    /**
     * a filled rectangle, note that it is the width and height of the rectangle which are the secondary paramaters, not
     * the coordinates of the upper-right corner
     * @access public
     */
    public function filledRectangle($x1, $y1, $width, $height)
    {
        $this->objects[$this->currentContents]['c'].="\n".sprintf('%.3F', $x1).' '.sprintf('%.3F', $y1).' '.sprintf('%.3F', $width).' '.sprintf('%.3F', $height).' re f';
    }

    /**
     * draw a rectangle, note that it is the width and height of the rectangle which are the secondary paramaters, not
     * the coordinates of the upper-right corner
     * @access public
     */
    public function rectangle($x1, $y1, $width, $height)
    {
        $this->objects[$this->currentContents]['c'].="\n".sprintf('%.3F', $x1).' '.sprintf('%.3F', $y1).' '.sprintf('%.3F', $width).' '.sprintf('%.3F', $height).' re S';
    }

    /**
     * add a new page to the document
     * this also makes the new page the current active object
     * @access public
     */
    public function newPage($insert = 0, $id = 0, $pos = 'after')
    {

        // if there is a state saved, then go up the stack closing them
        // then on the new page, re-open them with the right setings

        if ($this->nStateStack) {
            for ($i=$this->nStateStack; $i>=1; $i--) {
                $this->restoreState($i);
            }
        }

        $this->numObj++;
        if ($insert) {
            // the id from the ezPdf class is the od of the contents of the page, not the page object itself
            // query that object to find the parent
            $rid = $this->objects[$id]['onPage'];
            $opt= array('rid'=>$rid,'pos'=>$pos);
            $this->o_page($this->numObj, 'new', $opt);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        } else {
            $this->o_page($this->numObj, 'new');
        }
        // if there is a stack saved, then put that onto the page
        if ($this->nStateStack) {
            for ($i=1; $i<=$this->nStateStack; $i++) {
                $this->saveState($i);
            }
        }
        // and if there has been a stroke or fill colour set, then transfer them
        if ($this->currentColour['r']>=0) {
            $this->setColor($this->currentColour['r'], $this->currentColour['g'], $this->currentColour['b'], 1);
        }
        if ($this->currentStrokeColour['r']>=0) {
            $this->setStrokeColor($this->currentStrokeColour['r'], $this->currentStrokeColour['g'], $this->currentStrokeColour['b'], 1);
        }

        // if there is a line style set, then put this in too
        if (strlen($this->currentLineStyle)) {
            $this->objects[$this->currentContents]['c'].="\n".$this->currentLineStyle;
        }

        // the call to the o_page object set currentContents to the present page, so this can be returned as the page id
        return $this->currentContents;
    }

    /**
     * output the pdf code, streaming it to the browser
     * the relevant headers are set so that hopefully the browser will recognise it
     * this method is protected to force user to use ezStream method from Cezpdf.php
     * @access protected
     */
    protected function stream($options = '')
    {
        // setting the options allows the adjustment of the headers
        // values at the moment are:
        // 'Content-Disposition'=>'filename'  - sets the filename, though not too sure how well this will
        //        work as in my trial the browser seems to use the filename of the php file with .pdf on the end
        // 'Accept-Ranges'=>1 or 0 - if this is not set to 1, then this header is not included, off by default
        //    this header seems to have caused some problems despite tha fact that it is supposed to solve
        //    them, so I am leaving it off by default.
        // 'compress'=> 1 or 0 - apply content stream compression, this is on (1) by default
        // 'download'=> 1 or 0 - provide download dialog
        if (!is_array($options)) {
            $options=array();
        }
        if (isset($options['compress']) && $options['compress']==0) {
            $tmp = $this->output(1);
        } else {
            $tmp = $this->output();
        }
        header("Content-Type: application/pdf");
        header("Content-Length: ".strlen(ltrim($tmp)));
        $fileName = (isset($options['Content-Disposition'])?$options['Content-Disposition']:'file.pdf');
        if (isset($options['download']) && $options['download'] == 1) {
            $attached = 'attachment';
        } else {
            $attached = 'inline';
        }
        header("Content-Disposition: $attached; filename=".$fileName);
        if (isset($options['Accept-Ranges']) && $options['Accept-Ranges']==1) {
            header("Accept-Ranges: ".strlen(ltrim($tmp)));
        }
        echo ltrim($tmp);
    }

    /**
     * return the height in units of the current font in the given size
     * @access public
     */
    public function getFontHeight($size)
    {
        if (!$this->numFonts) {
            $this->selectFont('./fonts/Helvetica');
        }
        
        $font = &$this->fonts[$this->currentFont];
        // for the current font, and the given size, what is the height of the font in user units
        $h = $font['FontBBox'][3] - $font['FontBBox'][1];
        return $size*$h/1000;
    }

    /**
     * return the font decender, this will normally return a negative number
     * if you add this number to the baseline, you get the level of the bottom of the font
     * it is in the pdf user units
     * @access public
     */
    public function getFontDecender($size)
    {
        // note that this will most likely return a negative value
        if (!$this->numFonts) {
            $this->selectFont('./fonts/Helvetica');
        }
        $h = $this->fonts[$this->currentFont]['Descender'];
        return $size*$h/1000;
    }
   
    /**
     * filter the text, this is applied to all text just before being inserted into the pdf document
     * it escapes the various things that need to be escaped, and so on
     *
     * @access protected
     */
    protected function filterText($text, $bom = true, $convert_encoding = true)
    {
        
        if ($convert_encoding) {
            $cf = $this->currentFont;
            if (isset($this->fonts[$cf]) && $this->fonts[$cf]['isUnicode']) {
                $text = $this->utf8toUtf16BE($text, $bom); // convert utf8 chars into utf16
                // store all used characters if subset font is set to true
                if ($this->fonts[$cf]['isSubset']) {
                    for ($i = 0; $i < mb_strlen($text, 'UTF-16BE'); $i++) {
                        $this->fonts[$cf]['subset'][mb_substr($text, $i, 1, 'UTF-16BE')] = true;
                    }
                }
            } else {
                $text = mb_convert_encoding($text, $this->targetEncoding);
                $hexStr = $this->strToHex($text);
                // store all used characters if subset font is set to true
                if ($this->fonts[$cf]['isSubset']) {
                    for ($i = 0; $i < (strlen($hexStr) / 2); $i++) {
                        array_push($this->fonts[$cf]['subset'], substr($hexStr, ($i * 2), 2));
                    }
                }
            }
        }
        $text = strtr($text, array(')' => '\\)', '(' => '\\(', '\\' => '\\\\', chr(8) => '\\b', chr(9) => '\\t', chr(10) => '\\n', chr(12) => '\\f' ,chr(13) => '\\r'));

        if ($this->rtl) {
            $text = strrev($text);
        }

        return $text;
    }

    /**
       * return array containing codepoints (UTF-8 character values) for the
       * string passed in.
       *
       * based on the excellent TCPDF code by Nicola Asuni and the
       * RFC for UTF-8 at http://www.faqs.org/rfcs/rfc3629.html
       *
       * @access private
       * @author Orion Richardson
       * @since January 5, 2008
       * @param string $text UTF-8 string to process
       * @return array UTF-8 codepoints array for the string
       */
    private function utf8toCodePointsArray(&$text)
    {
        $length = mb_strlen($text, '8bit'); // http://www.php.net/manual/en/function.mb-strlen.php#77040
        $unicode = array(); // array containing unicode values
        $bytes = array(); // array containing single character byte sequences
        $numbytes = 1; // number of octetc needed to represent the UTF-8 character

        for ($i = 0; $i < $length; $i++) {
            $c = ord($text[$i]); // get one string character at time
            if (count($bytes) === 0) { // get starting octect
                if ($c <= 0x7F) {
                    $unicode[] = $c; // use the character "as is" because is ASCII
                    $numbytes = 1;
                } elseif (($c >> 0x05) === 0x06) { // 2 bytes character (0x06 = 110 BIN)
                    $bytes[] = ($c - 0xC0) << 0x06;
                    $numbytes = 2;
                } elseif (($c >> 0x04) === 0x0E) { // 3 bytes character (0x0E = 1110 BIN)
                    $bytes[] = ($c - 0xE0) << 0x0C;
                    $numbytes = 3;
                } elseif (($c >> 0x03) === 0x1E) { // 4 bytes character (0x1E = 11110 BIN)
                    $bytes[] = ($c - 0xF0) << 0x12;
                    $numbytes = 4;
                } else {
                    // use replacement character for other invalid sequences
                    $unicode[] = 0xFFFD;
                    $bytes = array();
                    $numbytes = 1;
                }
            } elseif (($c >> 0x06) === 0x02) { // bytes 2, 3 and 4 must start with 0x02 = 10 BIN
                $bytes[] = $c - 0x80;
                if (count($bytes) === $numbytes) {
                    // compose UTF-8 bytes to a single unicode value
                    $c = $bytes[0];
                    for ($j = 1; $j < $numbytes; $j++) {
                        $c += ($bytes[$j] << (($numbytes - $j - 1) * 0x06));
                    }
                    if ((($c >= 0xD800) and ($c <= 0xDFFF)) or ($c >= 0x10FFFF)) {
// Logical operators have lower precedence:
$f = false or true;

// is executed like this:
($f = false) or true;


// Boolean operators have higher precedence:
$f = false || true;

// is executed like this:
$f = (false || true);
                        // The definition of UTF-8 prohibits encoding character numbers between
                        // U+D800 and U+DFFF, which are reserved for use with the UTF-16
                        // encoding form (as surrogate pairs) and do not directly represent
                        // characters.
                        $unicode[] = 0xFFFD; // use replacement character
                    } else {
                        $unicode[] = $c; // add char to array
                    }
                    // reset data for next char
                    $bytes = array();
                    $numbytes = 1;
                }
            } else {
                // use replacement character for other invalid sequences
                $unicode[] = 0xFFFD;
                $bytes = array();
                $numbytes = 1;
            }
        }
        return $unicode;
    }

      /**
       * convert UTF-8 to UTF-16 with an additional byte order marker
       * at the front if required.
       *
       * based on the excellent TCPDF code by Nicola Asuni and the
       * RFC for UTF-8 at http://www.faqs.org/rfcs/rfc3629.html
       *
       * @access private
       * @author Orion Richardson
       * @since January 5, 2008
       * @param string $text UTF-8 string to process
       * @param boolean $bom whether to add the byte order marker
       * @return string UTF-16 result string
       */
    private function utf8toUtf16BE(&$text, $bom = true)
    {
        $cf = $this->currentFont;
        if (!$this->fonts[$cf]['isUnicode']) {
            return $text;
        }
        $out = $bom ? "\xFE\xFF" : '';
        $unicode = $this->utf8toCodePointsArray($text);
        foreach ($unicode as $c) {
            if ($c === 0xFFFD) {
                $out .= "\xFF\xFD"; // replacement character
            } elseif ($c < 0x10000) {
                $out .= chr($c >> 0x08) . chr($c & 0xFF);
            } else {
                $c -= 0x10000;
                $w1 = 0xD800 | ($c >> 0x10);
                $w2 = 0xDC00 | ($c & 0x3FF);
                $out .= chr($w1 >> 0x08) . chr($w1 & 0xFF) . chr($w2 >> 0x08) . chr($w2 & 0xFF);
            }
        }
        return $out;
    }

    /**
     * given a start position and information about how text is to be laid out, calculate where
     * on the page the text will end
     *
     * @access protected
     */
    protected function getTextPosition($x, $y, $angle, $size, $wa, $text)
    {
        // given this information return an array containing x and y for the end position as elements 0 and 1
        $w = $this->getTextWidth($size, $text);
        // need to adjust for the number of spaces in this text
        $words = explode(' ', $text);
        $nspaces=count($words)-1;
        $w += $wa*$nspaces;
        $a = deg2rad((float)$angle);
        return array(cos($a)*$w+$x,-sin($a)*$w+$y);
    }

    /**
     * wrapper function for checkTextDirective1
     *
     * @access private
     */
    private function checkTextDirective(&$text, $i, &$f)
    {
        $x=0;
        $y=0;
        return $this->checkTextDirective1($text, $i, $f, 0, $x, $y);
    }

    /**
     * checks if the text stream contains a control directive
     * if so then makes some changes and returns the number of characters involved in the directive
     * this has been re-worked to include everything neccesary to fins the current writing point, so that
     * the location can be sent to the callback function if required
     * if the directive does not require a font change, then $f should be set to 0
     *
     * @access private
     */
    private function checkTextDirective1(&$text, $i, &$f, $final, &$x, &$y, $size = 0, $angle = 0, $wordSpaceAdjust = 0)
    {
        $directive = 0;
        $j=$i;
        if ($text[$j]=='<') {
            $j++;
            switch ($text[$j]) {
                case '/':
                    $j++;
                    if (strlen($text) <= $j) {
                        return $directive;
                    }
                    switch ($text[$j]) {
                        case 'b':
                        case 'i':
                            $j++;
                            if ($text[$j]=='>') {
                                $p = strrpos($this->currentTextState, $text[$j-1]);
                                if ($p !== false) {
                                    // then there is one to remove
                                    $this->currentTextState = substr($this->currentTextState, 0, $p).substr($this->currentTextState, $p+1);
                                }
                                $directive=$j-$i+1;
                            }
                            break;
                        case 'c':
                            // this this might be a callback function
                            $j++;
                            $k = strpos($text, '>', $j);
                            if ($k!==false && $text[$j]==':') {
                                // then this will be treated as a callback directive
                                $directive = $k-$i+1;
                                $f=0;
                                // split the remainder on colons to get the function name and the paramater
                                $tmp = substr($text, $j+1, $k-$j-1);
                                $b1 = strpos($tmp, ':');
                                if ($b1!==false) {
                                    $func = substr($tmp, 0, $b1);
                                    $parm = substr($tmp, $b1+1);
                                } else {
                                    $func=$tmp;
                                    $parm='';
                                }
                                if (!isset($func) || !strlen(trim($func))) {
                                    $directive=0;
                                } else {
                                    // only call the function if this is the final call
                                    if ($final) {
                                        // need to assess the text position, calculate the text width to this point
                                        // can use getTextWidth to find the text width I think
                                        $tmp = $this->getTextPosition($x, $y, $angle, $size, $wordSpaceAdjust, substr($text, 0, $i));
                                        $info = array('x'=>$tmp[0],'y'=>$tmp[1],'angle'=>$angle,'status'=>'end','p'=>$parm,'nCallback'=>$this->nCallback);
                                        $x=$tmp[0];
                                        $y=$tmp[1];
                                        $ret = $this->$func($info);
                                        if (is_array($ret)) {
                                            // then the return from the callback function could set the position, to start with, later will do font colour, and font
                                            foreach ($ret as $rk => $rv) {
                                                switch ($rk) {
                                                    case 'x':
                                                    case 'y':
                                                        $$rk=$rv;
                                                        break;
                                                }
                                            }
                                        }
                                        // also remove from to the stack
                                        // for simplicity, just take from the end, fix this another day
                                        $this->nCallback--;
                                        if ($this->nCallback<0) {
                                            $this->nCallBack=0;

                                        }
                                    }
                                }
                            }
                            break;
                    }
                    break;
                case 'b':
                case 'i':
                    $j++;
                    if ($text[$j]=='>') {
                        $this->currentTextState.=$text[$j-1];
                        $directive=$j-$i+1;
                    }
                    break;
                case 'C':
                    $noClose=1;
                case 'c':
                    // this this might be a callback function
                    $j++;
                    $k = strpos($text, '>', $j);
                    if ($k!==false && $text[$j]==':') {
                        // then this will be treated as a callback directive
                        $directive = $k-$i+1;
                        $f=0;
                        // split the remainder on colons to get the function name and the paramater
                        // $bits = explode(':',substr($text,$j+1,$k-$j-1));

                        $tmp = substr($text, $j+1, $k-$j-1);
                        $b1 = strpos($tmp, ':');
                        if ($b1!==false) {
                            $func = substr($tmp, 0, $b1);
                            $parm = substr($tmp, $b1+1);
                        } else {
                            $func=$tmp;
                            $parm='';
                        }
                        if (!isset($func) || !strlen(trim($func))) {
                            $directive=0;
                        } else {
                        // only call the function if this is the final call, ie, the one actually doing printing, not measurement
                            if ($final) {
                                // need to assess the text position, calculate the text width to this point
                                // can use getTextWidth to find the text width I think
                                // also add the text height and decender
                                $tmp = $this->getTextPosition($x, $y, $angle, $size, $wordSpaceAdjust, substr($text, 0, $i));
                                $info = array('x'=>$tmp[0],'y'=>$tmp[1],'angle'=>$angle,'status'=>'start','p'=>$parm,'f'=>$func,'height'=>$this->getFontHeight($size),'decender'=>$this->getFontDecender($size));
                                $x=$tmp[0];
                                $y=$tmp[1];
                                if (!isset($noClose) || !$noClose) {
                                    // only add to the stack if this is a small 'c', therefore is a start-stop pair
                                    $this->nCallback++;
                                    $info['nCallback']=$this->nCallback;
                                    $this->callback[$this->nCallback]=$info;
                                }
                                $ret = $this->$func($info);
                                if (is_array($ret)) {
                                    // then the return from the callback function could set the position, to start with, later will do font colour, and font
                                    foreach ($ret as $rk => $rv) {
                                        switch ($rk) {
                                            case 'x':
                                            case 'y':
                                                $$rk=$rv;
                                                break;
                                        }
                                    }
                                }
                            }
                        }
                    }
                    break;
            }
        }
        return $directive;
    }

    /**
     * add text to the document, at a specified location, size and angle on the page
     * @access public
     */
    public function addText($x, $y, $size, $text, $angle = 0, $wordSpaceAdjust = 0)
    {
        if (!$this->numFonts) {
            $this->selectFont(dirname(__FILE__) . '/fonts/Helvetica');
        }
        // if there are any open callbacks, then they should be called, to show the start of the line
        if ($this->nCallback > 0) {
            for ($i = $this->nCallback; $i > 0; $i--) {
                // call each function
                $info = array('x'=>$x,'y'=>$y,'angle'=>$angle,'status'=>'sol','p'=>$this->callback[$i]['p'],'nCallback'=>$this->callback[$i]['nCallback'],'height'=>$this->callback[$i]['height'],'decender'=>$this->callback[$i]['decender']);
                $func = $this->callback[$i]['f'];
                $this->$func($info);
            }
        }
        if ($angle == 0) {
            $this->addContent(sprintf("\nBT %.3F %.3F Td", $x, $y));
        } else {
            $a = deg2rad((float)$angle);
            $this->addContent(sprintf("\nBT %.3F %.3F %.3F %.3F %.3F %.3F Tm", cos($a), -sin($a), sin($a), cos($a), $x, $y));
        }

        if ($wordSpaceAdjust != 0 || $wordSpaceAdjust != $this->wordSpaceAdjust) {
            $this->wordSpaceAdjust = $wordSpaceAdjust;
            $this->addContent(sprintf(" %.3F Tw", $wordSpaceAdjust));
        }
        
        $len = strlen($text);
        $start=0;
        for ($i=0; $i<$len; $i++) {
            $f=1;
            $directive = $this->checkTextDirective($text, $i, $f);
            if ($directive) {
                // then we should write what we need to
                if ($i>$start) {
                    $part = substr($text, $start, $i-$start);
                    $this->addContent(' /F'.$this->currentFontNum.' '.sprintf('%.1f', $size).' Tf ');
                    $this->addContent(' ('.$this->filterText($part, false).') Tj');
                }
                if ($f) {
                    // then there was nothing drastic done here, restore the contents
                    $this->setCurrentFont();
                } else {
                    $this->addContent(' ET');
                    $f=1;
                    $xp=$x;
                    $yp=$y;
                    $directive = $this->checkTextDirective1($text, $i, $f, 1, $xp, $yp, $size, $angle, $wordSpaceAdjust);

                    // restart the text object
                    if ($angle==0) {
                        $this->addContent("\n".'BT '.sprintf('%.3F', $xp).' '.sprintf('%.3F', $yp).' Td');
                    } else {
                        $a = deg2rad((float)$angle);
                        $tmp = "\n".'BT ';
                        $tmp .= sprintf('%.3F', cos($a)).' '.sprintf('%.3F', (-1.0*sin($a))).' '.sprintf('%.3F', sin($a)).' '.sprintf('%.3F', cos($a)).' ';
                        $tmp .= sprintf('%.3F', $xp).' '.sprintf('%.3F', $yp).' Tm';
                        $this->addContent($tmp);
                    }
                    if ($wordSpaceAdjust!=0 || $wordSpaceAdjust != $this->wordSpaceAdjust) {
                        $this->wordSpaceAdjust=$wordSpaceAdjust;
                        $this->addContent(' '.sprintf('%.3F', $wordSpaceAdjust).' Tw');
                    }
                }
                // and move the writing point to the next piece of text
                $i=$i+$directive-1;
                $start=$i+1;
            }
        }

        if ($start < $len) {
            $part = substr($text, $start);
            $place_text = $this->filterText($part, false);
          // modify unicode text so that extra word spacing is manually implemented (bug #)
            $cf = $this->currentFont;
            if ($this->fonts[$cf]['isUnicode'] && $wordSpaceAdjust != 0) {
                $space_scale = 1000 / $size;
                $place_text = str_replace(' ', ' ) '.(-round($space_scale*$wordSpaceAdjust)).' (', $place_text);
            }
            $this->addContent(" /F$this->currentFontNum ".sprintf('%.1F Tf ', $size));
            $this->addContent(" [($place_text)] TJ");
        }

        $this->addContent(' ET');

        // if there are any open callbacks, then they should be called, to show the end of the line
        if ($this->nCallback > 0) {
            for ($i = $this->nCallback; $i > 0; $i--) {
                // call each function
                $tmp = $this->getTextPosition($x, $y, $angle, $size, $wordSpaceAdjust, $text);
                $info = array(
                'x' => $tmp[0],
                'y' => $tmp[1],
                'angle' => $angle,
                'status' => 'eol',
                'p'         => $this->callback[$i]['p'],
                'nCallback' => $this->callback[$i]['nCallback'],
                'height'    => $this->callback[$i]['height'],
                'descender' => $this->callback[$i]['descender']
                );
                $func = $this->callback[$i]['f'];
                $this->$func($info);
            }
        }
    }

    /**
     * calculate how wide a given text string will be on a page, at a given size.
     * this can be called externally, but is alse used by the other class functions
     * @access public
     */
    public function getTextWidth($size, $text)
    {
        // this function should not change any of the settings, though it will need to
        // track any directives which change during calculation, so copy them at the start
        // and put them back at the end.
        $store_currentTextState = $this->currentTextState;

        if (!$this->numFonts) {
            $this->selectFont('./fonts/Helvetica');
        }

        // converts a number or a float to a string so it can get the width
        $text = "$text";

        // hmm, this is where it all starts to get tricky - use the font information to
        // calculate the width of each character, add them up and convert to user units
        $w=0;
        $len = strlen($text);
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
        $cf = $this->currentFont;
        // font is set to unicode mode
        $unicode = $this->fonts[$cf]['isUnicode'];
        
        if ($unicode) {
            $out = $this->utf8toUtf16BE($text);
        }
        
        for ($i=0; $i< strlen($text); $i++) {
            $f=1;
            $directive = $this->checkTextDirective($text, $i, $f);
            if ($directive) {
                if ($f) {
                    $this->setCurrentFont();
                    $cf = $this->currentFont;
                }
                $i=$i+$directive-1;
            } else {
                if ($unicode) {
                    // use the previous converted text (utf8toUtf16BE) and get the correct character index by using below workaround
                    $char = hexdec(bin2hex(mb_substr($out, $i + 1, 1, 'UTF-16BE')));
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                } else {
                    // normal ANSI text characters
                    $char = ord($text[$i]);
                }
                if (isset($this->fonts[$cf]['differences'][$char])) {
                    // then this character is being replaced by another
                    $name = $this->fonts[$cf]['differences'][$char];
                    if (isset($this->fonts[$cf]['C'][$name])) {
                        $w+=$this->fonts[$cf]['C'][$name];
                    }
                } elseif (isset($this->fonts[$cf]['C'][$char])) {
                    $w+=$this->fonts[$cf]['C'][$char];
                }
            }
        }
        $this->currentTextState = $store_currentTextState;
        $this->setCurrentFont();
        return $w*$size/1000;
    }

    /**
     * do a part of the calculation for sorting out the justification of the text
     *
     * @access private
     */
    private function adjustWrapText($text, $actual, $width, &$x, &$adjust, $justification)
    {
        switch ($justification) {
            case 'left':
                return;
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
            case 'right':
                $x+=$width-$actual;
                break;
            case 'center':
            case 'centre':
                $x+=($width-$actual)/2;
                break;
            case 'full':
                // count the number of words
                $words = explode(' ', $text);
                $nspaces=count($words)-1;
                if ($nspaces>0) {
                    $adjust = ($width-$actual)/$nspaces;
                } else {
                    $adjust=0;
                }
                break;
        }
    }

    /**
     * add text to the page, but ensure that it fits within a certain width
     * if it does not fit then put in as much as possible, splitting at word boundaries
     * and return the remainder.
     * justification and angle can also be specified for the text
     * @access public
     */
    public function addTextWrap($x, $y, $width, $size, $text, $justification = 'left', $angle = 0, $test = 0)
    {
        // this will display the text, and if it goes beyond the width $width, will backtrack to the
        // previous space or hyphen, and return the remainder of the text.

        // $justification can be set to 'left','right','center','centre','full'


        // need to store the initial text state, as this will change during the width calculation
        // but will need to be re-set before printing, so that the chars work out right
        $store_currentTextState = $this->currentTextState;

        if (!$this->numFonts) {
            $this->selectFont(dirname(__FILE__) . '/fonts/Helvetica');
        }
        if ($width<=0) {
            // error, pretend it printed ok, otherwise risking a loop
            return '';
        }
        $w=0;
        $break=0;
        $breakWidth=0;
        $len=strlen($text);
        $cf = $this->currentFont;
        $tw = $width/$size*1000;
        for ($i=0; $i<$len; $i++) {
            $f=1;
            $directive = $this->checkTextDirective($text, $i, $f);
            if ($directive) {
                if ($f) {
                    $this->setCurrentFont();
                    $cf = $this->currentFont;
                }
                $i=$i+$directive-1;
            } else {
                $cOrd = ord($text[$i]);
                if (isset($this->fonts[$cf]['differences'][$cOrd])) {
                    // then this character is being replaced by another
                    $cOrd2 = $this->fonts[$cf]['differences'][$cOrd];
                } else {
                    $cOrd2 = $cOrd;
                }

                if (isset($this->fonts[$cf]['C'][$cOrd2])) {
                    $w+=$this->fonts[$cf]['C'][$cOrd2];
                }
                if ($w>$tw) {
                    // then we need to truncate this line
                    if ($break>0) {
                        // then we have somewhere that we can split :)
                        if ($text[$break]==' ') {
                            $tmp = substr($text, 0, $break);
                        } else {
                            $tmp = substr($text, 0, $break+1);
                        }
                        $adjust=0;
                        $this->adjustWrapText($tmp, $breakWidth, $width, $x, $adjust, $justification);

                        // reset the text state
                        $this->currentTextState = $store_currentTextState;
                        $this->setCurrentFont();
                        if (!$test) {
                            $this->addText($x, $y, $size, $tmp, $angle, $adjust);
                        }
                        return substr($text, $break+1);
                    } else {
                        // just split before the current character
                        $tmp = substr($text, 0, $i);
                        $adjust=0;
                        $ctmp=ord($text[$i]);
                        if (isset($this->fonts[$cf]['differences'][$ctmp])) {
                            $ctmp=$this->fonts[$cf]['differences'][$ctmp];
                        }
                        $tmpw=($w-$this->fonts[$cf]['C'][$ctmp])*$size/1000;
                        $this->adjustWrapText($tmp, $tmpw, $width, $x, $adjust, $justification);
                        // reset the text state
                        $this->currentTextState = $store_currentTextState;
                        $this->setCurrentFont();
                        if (!$test) {
                            $this->addText($x, $y, $size, $tmp, $angle, $adjust);
                        }
                        return substr($text, $i);
                    }
                }
                if ($text[$i]=='-') {
                    $break=$i;
                    $breakWidth = $w*$size/1000;
                }
                if ($text[$i]==' ') {
                    $break=$i;
                    $ctmp=ord($text[$i]);
                    if (isset($this->fonts[$cf]['differences'][$ctmp])) {
                        $ctmp=$this->fonts[$cf]['differences'][$ctmp];
                    }
                    $breakWidth = ($w-$this->fonts[$cf]['C'][$ctmp])*$size/1000;
                }
            }
        }
        // then there was no need to break this line
        if ($justification=='full') {
            $justification='left';
        }
        $adjust=0;
        $tmpw=$w*$size/1000;
        $this->adjustWrapText($text, $tmpw, $width, $x, $adjust, $justification);
        // reset the text state
        $this->currentTextState = $store_currentTextState;
        $this->setCurrentFont();
        if (!$test) {
            $this->addText($x, $y, $size, $text, $angle, $adjust, $angle);

        }
        return '';
    }

    /**
     * this will be called at a new page to return the state to what it was on the
     * end of the previous page, before the stack was closed down
     * This is to get around not being able to have open 'q' across pages
     * @access public
     */
    public function saveState($pageEnd = 0)
    {
        if ($pageEnd) {
            // this will be called at a new page to return the state to what it was on the
            // end of the previous page, before the stack was closed down
            // This is to get around not being able to have open 'q' across pages
            $opt = $this->stateStack[$pageEnd]; // ok to use this as stack starts numbering at 1
            $this->setColor($opt['col']['r'], $opt['col']['g'], $opt['col']['b'], 1);
            $this->setStrokeColor($opt['str']['r'], $opt['str']['g'], $opt['str']['b'], 1);
            $this->objects[$this->currentContents]['c'].="\n".$opt['lin'];
            // $this->currentLineStyle = $opt['lin'];

        } else {
            $this->nStateStack++;
            $this->stateStack[$this->nStateStack]=array(
                'col'=>$this->currentColour
                ,'str'=>$this->currentStrokeColour
                ,'lin'=>$this->currentLineStyle
            );
        }
        $this->objects[$this->currentContents]['c'].="\nq";
    }

    /**
     * restore a previously saved state
     * @access public
     */
    public function restoreState($pageEnd = 0)
    {
        if (!$pageEnd) {
            $n = $this->nStateStack;
            $this->currentColour = $this->stateStack[$n]['col'];
            $this->currentStrokeColour = $this->stateStack[$n]['str'];
            $this->objects[$this->currentContents]['c'].="\n".$this->stateStack[$n]['lin'];
            $this->currentLineStyle = $this->stateStack[$n]['lin'];
            unset($this->stateStack[$n]);
            $this->nStateStack--;
        }
        $this->objects[$this->currentContents]['c'].="\nQ";
    }

    /**
     * make a loose object, the output will go into this object, until it is closed, then will revert to
     * the current one.
     * this object will not appear until it is included within a page.
     * the function will return the object number
     * @access public
     */
    public function openObject()
    {
        $this->nStack++;
        $this->stack[$this->nStack]=array('c'=>$this->currentContents,'p'=>$this->currentPage);
        // add a new object of the content type, to hold the data flow
        $this->numObj++;
        $this->o_contents($this->numObj, 'new');
        $this->currentContents=$this->numObj;
        $this->looseObjects[$this->numObj]=1;

        return $this->numObj;
    }

    /**
    * open an existing object for editing
    * @access public
    */
    public function reopenObject($id)
    {
        $this->nStack++;
        $this->stack[$this->nStack]=array('c'=>$this->currentContents,'p'=>$this->currentPage);
        $this->currentContents=$id;
       // also if this object is the primary contents for a page, then set the current page to its parent
        if (isset($this->objects[$id]['onPage'])) {
            $this->currentPage = $this->objects[$id]['onPage'];
        }
    }

    /**
     * close an object
     * @access public
     */
    public function closeObject()
    {
        // close the object, as long as there was one open in the first place, which will be indicated by
        // an objectId on the stack.
        if ($this->nStack>0) {
            $this->currentContents=$this->stack[$this->nStack]['c'];
            $this->currentPage=$this->stack[$this->nStack]['p'];
            $this->nStack--;
            // easier to probably not worry about removing the old entries, they will be overwritten
            // if there are new ones.
        }
    }

    /**
     * stop an object from appearing on pages from this point on
     * @access public
     */
    public function stopObject($id)
    {
        // if an object has been appearing on pages up to now, then stop it, this page will
        // be the last one that could contian it.
        if (isset($this->addLooseObjects[$id])) {
            $this->addLooseObjects[$id]='';
        }
    }

    /**
     * after an object has been created, it wil only show if it has been added, using this function.
     * @access public
     */
    public function addObject($id, $options = 'add')
    {
        // add the specified object to the page
        if (isset($this->looseObjects[$id]) && $this->currentContents!=$id) {
            // then it is a valid object, and it is not being added to itself
            switch ($options) {
                case 'all':
                    // then this object is to be added to this page (done in the next block) and
                    // all future new pages.
                    $this->addLooseObjects[$id]='all';
                case 'add':
                    if (isset($this->objects[$this->currentContents]['onPage'])) {
                        // then the destination contents is the primary for the page
                        // (though this object is actually added to that page)
                        $this->o_page($this->objects[$this->currentContents]['onPage'], 'content', $id);
                    }
                    break;
                case 'even':
                    $this->addLooseObjects[$id]='even';
                    $pageObjectId=$this->objects[$this->currentContents]['onPage'];
                    if ($this->objects[$pageObjectId]['info']['pageNum']%2==0) {
                        $this->addObject($id); // hacky huh :)
                    }
                    break;
                case 'odd':
                    $this->addLooseObjects[$id]='odd';
                    $pageObjectId=$this->objects[$this->currentContents]['onPage'];
                    if ($this->objects[$pageObjectId]['info']['pageNum']%2==1) {
                        $this->addObject($id); // hacky huh :)
                    }
                    break;
                case 'next':
                    $this->addLooseObjects[$id]='all';
                    break;
                case 'nexteven':
                    $this->addLooseObjects[$id]='even';
                    break;
                case 'nextodd':
                    $this->addLooseObjects[$id]='odd';
                    break;
            }
        }
    }

    /**
     * add content to the documents info object
     * @access public
     */
    public function addInfo($label, $value = 0)
    {
        // this will only work if the label is one of the valid ones.
        // modify this so that arrays can be passed as well.
        // if $label is an array then assume that it is key=>value pairs
        // else assume that they are both scalar, anything else will probably error
        if (is_array($label)) {
            foreach ($label as $l => $v) {
                $this->o_info($this->infoObject, $l, $v);
            }
        } else {
            $this->o_info($this->infoObject, $label, $value);
        }
    }

    /**
     * set the viewer preferences of the document, it is up to the browser to obey these.
     * @access public
     */
    public function setPreferences($label, $value = 0)
    {
        // this will only work if the label is one of the valid ones.
        if (is_array($label)) {
            foreach ($label as $l => $v) {
                $this->o_catalog($this->catalogId, 'viewerPreferences', array($l=>$v));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            }
        } else {
            $this->o_catalog($this->catalogId, 'viewerPreferences', array($label=>$value));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        }
    }

    /**
     * extract an integer from a position in a byte stream
     *
     * @access private
     */
    private function getBytes(&$data, $pos, $num)
    {
        // return the integer represented by $num bytes from $pos within $data
        $ret=0;
        for ($i=0; $i<$num; $i++) {
            $ret=$ret*256;
            $ret+=ord($data[$pos+$i]);
        }
        return $ret;
    }

    /**
     * reads the PNG chunk
     * @param $data - binary part of the png image
     * @access private
     */
    private function readPngChunks(&$data)
    {
        $default = array('info'=> array(), 'transparency'=> null, 'idata'=> null, 'pdata'=> null, 'haveHeader'=> false);
        // set pointer
        $p = 8;
        $len = strlen($data);
        // cycle through the file, identifying chunks
        while ($p<$len) {
            $chunkLen = $this->getBytes($data, $p, 4);
            $chunkType = substr($data, $p+4, 4);
            //error_log($chunkType. ' - '.$chunkLen);

            switch ($chunkType) {
                case 'IHDR':
                //this is where all the file information comes from
                    $default['info']['width']=$this->getBytes($data, $p+8, 4);
                    $default['info']['height']=$this->getBytes($data, $p+12, 4);
                    $default['info']['bitDepth']=ord($data[$p+16]);
                    $default['info']['colorType']=ord($data[$p+17]);
                    $default['info']['compressionMethod']=ord($data[$p+18]);
                    $default['info']['filterMethod']=ord($data[$p+19]);
                    $default['info']['interlaceMethod']=ord($data[$p+20]);
                
                    $this->debug('readPngChunks: ColorType is' . $default['info']['colorType'], E_USER_NOTICE);
                
                    $default['haveHeader'] = true;
                
                    if ($default['info']['compressionMethod']!=0) {
                        $error = true;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                        $errormsg = "unsupported compression method";
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                    }
                    if ($default['info']['filterMethod']!=0) {
                        $error = true;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                        $errormsg = "unsupported filter method";
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                    }
                
                    $default['transparency'] = array('type'=> null, 'data' => null);
                
                    if ($default['info']['colorType'] == 3) { // indexed color, rbg
                        // corresponding to entries in the plte chunk
                        // Alpha for palette index 0: 1 byte
                        // Alpha for palette index 1: 1 byte
                        // ...etc...
        
                        // there will be one entry for each palette entry. up until the last non-opaque entry.
                        // set up an array, stretching over all palette entries which will be o (opaque) or 1 (transparent)
                        $default['transparency']['type']='indexed';
                        //$numPalette = strlen($default['pdata'])/3;

                        $trans=0;
                        for ($i=$chunkLen; $i>=0; $i--) {
                            if (ord($data[$p+8+$i])==0) {
                                $trans=$i;
                            }
                        }
                        $default['transparency']['data'] = $trans;
                    } elseif ($default['info']['colorType'] == 0) { // grayscale
                        // corresponding to entries in the plte chunk
                        // Gray: 2 bytes, range 0 .. (2^bitdepth)-1

        
                        // $transparency['grayscale']=$this->getBytes($data,$p+8,2); // g = grayscale

                        $default['transparency']['type']='indexed';
                        $default['transparency']['data'] = ord($data[$p+8+1]);
                    } elseif ($default['info']['colorType'] == 2) { // truecolor
                        // corresponding to entries in the plte chunk
                        // Red: 2 bytes, range 0 .. (2^bitdepth)-1

                        // Green: 2 bytes, range 0 .. (2^bitdepth)-1

                        // Blue: 2 bytes, range 0 .. (2^bitdepth)-1

                        $default['transparency']['r']=$this->getBytes($data, $p+8, 2); // r from truecolor
                        $default['transparency']['g']=$this->getBytes($data, $p+10, 2); // g from truecolor
                        $default['transparency']['b']=$this->getBytes($data, $p+12, 2); // b from truecolor
                    } elseif ($default['info']['colorType'] == 6 || $default['info']['colorType'] == 4) {
                        // set transparency type to "alpha" and proceed with it in $this->o_image later
                        $default['transparency']['type'] = 'alpha';
                    
                        $img = imagecreatefromstring($data);
                    
                        $imgalpha = imagecreate($default['info']['width'], $default['info']['height']);
                        // generate gray scale palette (0 -> 255)
                        for ($c = 0; $c < 256; ++$c) {
                            ImageColorAllocate($imgalpha, $c, $c, $c);
                        }
                        // extract alpha channel
                        for ($xpx = 0; $xpx < $default['info']['width']; ++$xpx) {
                            for ($ypx = 0; $ypx < $default['info']['height']; ++$ypx) {
                                $colorBits = imagecolorat($img, $xpx, $ypx);
                                $color = imagecolorsforindex($img, $colorBits);
                                $color['alpha'] = (((127 - $color['alpha']) / 127) * 255);
                                imagesetpixel($imgalpha, $xpx, $ypx, $color['alpha']);
                            }
                        }
                        $tmpfile_alpha=tempnam($this->tempPath, 'ezImg');
                    
                        imagepng($imgalpha, $tmpfile_alpha);
                        imagedestroy($imgalpha);
                    
                        $alphaData = file_get_contents($tmpfile_alpha);
                        // nested method call to receive info on alpha image
                        $alphaImg = $this->readPngChunks($alphaData);
                        // use 'pdate' to fill alpha image as "palette". But it s the alpha channel
                        $default['pdata'] = $alphaImg['idata'];
                    
                        // generate true color image with no alpha channel
                        $tmpfile_tt=tempnam($this->tempPath, 'ezImg');
                    
                        $imgplain = imagecreatetruecolor($default['info']['width'], $default['info']['height']);
                        imagecopy($imgplain, $img, 0, 0, 0, 0, $default['info']['width'], $default['info']['height']);
                        imagepng($imgplain, $tmpfile_tt);
                        imagedestroy($imgplain);
                    
                        $ttData = file_get_contents($tmpfile_tt);
                        $ttImg = $this->readPngChunks($ttData);
                    
                        $default['idata'] = $ttImg['idata'];
                    
                        // remove temp files
                        unlink($tmpfile_alpha);
                        unlink($tmpfile_tt);
                        // return to addPngImage prematurely. IDAT has already been read and PLTE is not required
                        return $default;
                    }
                    break;
                case 'PLTE':
                    $default['pdata'] = substr($data, $p+8, $chunkLen);
                    break;
                case 'IDAT':
                    $default['idata'] .= substr($data, $p+8, $chunkLen);
                    break;
                case 'tRNS': // this HEADER info is optional. More info: rfc2083 (http://tools.ietf.org/html/rfc2083)
                    // error_log('OPTIONAL HEADER -tRNS- exist:');

                    // this chunk can only occur once and it must occur after the PLTE chunk and before IDAT chunk
                    // KS End new code
                    break;
                default:
                    break;
            }
            $p += $chunkLen+12;
        }
        return $default;
    }
    
    /**
     * add a PNG image into the document, from a file
     * this should work with remote files
     * @access public
     */
    public function addPngFromFile($file, $x, $y, $w = 0, $h = 0)
    {
        // read in a png file, interpret it, then add to the system
        $error = false;
        $errormsg = "";
        
        $this->debug('addPngFromFile: opening image ' . $file);
        
        $data = file_get_contents($file);
        
        if ($data === false) {
            $this->debug('addPngFromFile: trouble opening file ' . $file, E_USER_WARNING);
            return;
        }
        
        $header = chr(137).chr(80).chr(78).chr(71).chr(13).chr(10).chr(26).chr(10);
        if (substr($data, 0, 8)!=$header) {
            $this->debug('addPngFromFile: Invalid PNG header for file: ' . $file, E_USER_WARNING);
            return;
        }
        
        $iChunk = $this->readPngChunks($data);
        
        if (!$iChunk['haveHeader']) {
            $error = true;
            $errormsg = "information header is missing.";
        }
        if (isset($iChunk['info']['interlaceMethod']) && $iChunk['info']['interlaceMethod']) {
            $error = true;
            $errormsg = "There appears to be no support for interlaced images in pdf.";
        }
        
        if ($iChunk['info']['bitDepth'] > 8) {
            $error = true;
            $errormsg = "only bit depth of 8 or less is supported.";
        }

        if ($iChunk['info']['colorType'] == 1 || $iChunk['info']['colorType'] == 5 || $iChunk['info']['colorType']== 7) {
            $error = true;
            $errormsg = 'Unsupported PNG color type: '.$iChunk['info']['colorType'];
        } elseif (isset($iChunk['info'])) {
            switch ($iChunk['info']['colorType']) {
                case 3:
                    $color = 'DeviceRGB';
                    $ncolor=1;
                    break;
                case 6:
                case 2:
                    $color = 'DeviceRGB';
                    $ncolor=3;
                    break;
                case 4:
                case 0:
                    $color = 'DeviceGray';
                    $ncolor=1;
                    break;
            }
        }
            
        if ($error) {
            $this->debug('addPngFromFile: '.$errormsg, E_USER_WARNING);
            return;
        }
        if ($w==0) {
            $w=$h/$iChunk['info']['height']*$iChunk['info']['width'];
        }
        if ($h==0) {
            $h=$w*$iChunk['info']['height']/$iChunk['info']['width'];
        }
        
        if ($this->hashed) {
            $oHash = md5($iChunk['idata']);
        }
        if (isset($oHash) && isset($this->objectHash[$oHash])) {

            $label = $this->objectHash[$oHash];

        } else {
            $this->numImages++;
            $label='I'.$this->numImages;
            $this->numObj++;
            
            if (isset($oHash)) {
                $this->objectHash[$oHash] = $label;

            }
            
            $options = array('label'=>$label,'data'=>$iChunk['idata'],'bitsPerComponent'=>$iChunk['info']['bitDepth'],'pdata'=>$iChunk['pdata']
                                      ,'iw'=>$iChunk['info']['width'],'ih'=>$iChunk['info']['height'],'type'=>'png','color'=>$color,'ncolor'=>$ncolor);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
            if (isset($iChunk['transparency'])) {
                $options['transparency']=$iChunk['transparency'];
            }
            $this->o_image($this->numObj, 'new', $options);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        }
        
        $this->objects[$this->currentContents]['c'].="\nq ".sprintf('%.3F', $w)." 0 0 ".sprintf('%.3F', $h)." ".sprintf('%.3F', $x)." ".sprintf('%.3F', $y)." cm";
        $this->objects[$this->currentContents]['c'].=" /".$label.' Do';
        $this->objects[$this->currentContents]['c'].=" Q";
    }
    
    /**
     * add a JPEG image into the document, from a file
     * @access public
     */
    public function addJpegFromFile($img, $x, $y, $w = 0, $h = 0)
    {
        // attempt to add a jpeg image straight from a file, using no GD commands
        // note that this function is unable to operate on a remote file.

        if (!file_exists($img)) {
            return;
        }

        $tmp=getimagesize($img);
        $imageWidth=$tmp[0];
        $imageHeight=$tmp[1];

        if (isset($tmp['channels'])) {
            $channels = $tmp['channels'];
        } else {
            $channels = 3;
        }

        if ($w<=0 && $h<=0) {
            $w=$imageWidth;
        }
        if ($w==0) {
            $w=$h/$imageHeight*$imageWidth;
        }
        if ($h==0) {
            $h=$w*$imageHeight/$imageWidth;
        }

        $data = file_get_contents($img);

        $this->addJpegImage_common($data, $x, $y, $w, $h, $imageWidth, $imageHeight, $channels);
    }

    /**
     * read gif image from file, converts it into an JPEG (no transparancy) and display it
     * @param $img - file path ti gif image
     * @param $x - coord x
     * @param $y - y cord
     * @param $w - width
     * @param $h - height
     * @access public
     */
    public function addGifFromFile($img, $x, $y, $w = 0, $h = 0)
    {
        if (!file_exists($img)) {
            return;
        }
        
        if (!function_exists("imagecreatefromgif")) {
            $this->debug('addGifFromFile: Missing GD function imageCreateFromGif', E_USER_ERROR);
            return;
        }
        
        $tmp=getimagesize($img);
        $imageWidth=$tmp[0];
        $imageHeight=$tmp[1];
        
        
        if ($w<=0 && $h<=0) {
            $w=$imageWidth;
        }
        if ($w==0) {
            $w=$h/$imageHeight*$imageWidth;
        }
        if ($h==0) {
            $h=$w*$imageHeight/$imageWidth;
        }
        
        $imgres = imagecreatefromgif($img);
        $tmpName=tempnam($this->tempPath, 'img');
        imagejpeg($imgres, $tmpName, 90);
        
        $this->addJpegFromFile($tmpName, $x, $y, $w, $h);
    }
    
     /**
     * add an image into the document, from a GD object
     * this function is not all that reliable, and I would probably encourage people to use
     * the file based functions
     * @param $img - gd image resource
     * @param $x coord x
     * @param $y coord y
     * @param $w width
     * @param $h height
     * @param $quality image quality
     * @access protected
     */
    protected function addImage(&$img, $x, $y, $w = 0, $h = 0, $quality = 75)
    {
        // add a new image into the current location, as an external object
        // add the image at $x,$y, and with width and height as defined by $w & $h

        // note that this will only work with full colour images and makes them jpg images for display
        // later versions could present lossless image formats if there is interest.

        // there seems to be some problem here in that images that have quality set above 75 do not appear
        // not too sure why this is, but in the meantime I have restricted this to 75.
        if ($quality>75) {
            $quality=75;
        }

        // if the width or height are set to zero, then set the other one based on keeping the image
        // height/width ratio the same, if they are both zero, then give up :)
        $imageWidth=imagesx($img);
        $imageHeight=imagesy($img);

        if ($w<=0 && $h<=0) {
            return;
        }
        if ($w==0) {
            $w=$h/$imageHeight*$imageWidth;
        }
        if ($h==0) {
            $h=$w*$imageHeight/$imageWidth;
        }

        $tmpName=tempnam($this->tempPath, 'img');
        imagejpeg($img, $tmpName, $quality);
        
        $data = file_get_contents($tmpName);
        if ($data === false) {
            $this->debug('addImage: trouble opening image resource', E_USER_WARNING);
        }
        unlink($tmpName);
        $this->addJpegImage_common($data, $x, $y, $w, $h, $imageWidth, $imageHeight);
    }

    /**
     * common code used by the two JPEG adding functions
     * @access private
     */
    private function addJpegImage_common(&$data, $x, $y, $w = 0, $h = 0, $imageWidth, $imageHeight, $channels = 3)
    {
        // note that this function is not to be called externally
        // it is just the common code between the GD and the file options
        if ($this->hashed) {
            $oHash = md5($data);
        }
        if (isset($oHash) && isset($this->objectHash[$oHash])) {

            $label = $this->objectHash[$oHash];

        } else {
            $this->numImages++;
            $label='I'.$this->numImages;
            $this->numObj++;
            
            if (isset($oHash)) {
                $this->objectHash[$oHash] = $label;

            }
            
            $this->o_image($this->numObj, 'new', array('label'=>$label,'data'=>$data,'iw'=>$imageWidth,'ih'=>$imageHeight,'channels'=>$channels));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        }

        $this->objects[$this->currentContents]['c'].="\nq ".sprintf('%.3F', $w)." 0 0 ".sprintf('%.3F', $h)." ".sprintf('%.3F', $x)." ".sprintf('%.3F', $y)." cm";
        $this->objects[$this->currentContents]['c'].=" /".$label.' Do';
        $this->objects[$this->currentContents]['c'].=" Q";
    }

    /**
     * specify where the document should open when it first starts
     * @access public
     */
    public function openHere($style, $a = 0, $b = 0, $c = 0)

    {
        // this function will open the document at a specified page, in a specified style
        // the values for style, and the required paramters are:
        // 'XYZ'  left, top, zoom
        // 'Fit'
        // 'FitH' top
        // 'FitV' left
        // 'FitR' left,bottom,right

        // 'FitB'
        // 'FitBH' top
        // 'FitBV' left
        $this->numObj++;
        $this->o_destination($this->numObj, 'new', array('page'=>$this->currentPage,'type'=>$style,'p1'=>$a,'p2'=>$b,'p3'=>$c));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        $id = $this->catalogId;
        $this->o_catalog($id, 'openHere', $this->numObj);
    }

    /**
     * create a labelled destination within the document
     * @access public
     */
    public function addDestination($label, $style, $a = 0, $b = 0, $c = 0)

    {
        // associates the given label with the destination, it is done this way so that a destination can be specified after
        // it has been linked to
        // styles are the same as the 'openHere' function
        $this->numObj++;
        $this->o_destination($this->numObj, 'new', array('page'=>$this->currentPage,'type'=>$style,'p1'=>$a,'p2'=>$b,'p3'=>$c));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        $id = $this->numObj;
        // store the label->idf relationship, note that this means that labels can be used only once
        $this->destinations["$label"]=$id;
    }

    /**
     * define font families, this is used to initialize the font families for the default fonts
     * and for the user to add new ones for their fonts. The default bahavious can be overridden should
     * that be desired.
     * @access public
     */
    public function setFontFamily($family, $options = '')
    {
        if (is_array($options)) {
            // the user is trying to set a font family
            // note that this can also be used to set the base ones to something else
            if (strlen($family)) {
                $this->fontFamilies[$family] = $options;
            }
        }
    }

    /**
     * used to add messages for use in debugging
     * @access protected
     */
    protected function debug($message, $error_type = E_USER_NOTICE)
    {
        if ($error_type <= $this->DEBUGLEVEL) {
            switch (strtolower($this->DEBUG)) {
                default:
                case 'none':
                    break;
                case 'error_log':
                    trigger_error($message, $error_type);
                    break;
                case 'variable':
                    $this->messages.=$message."\n";
                    break;
            }
        }
    }

    /**
     * a few functions which should allow the document to be treated transactionally.
     *
     * @param string $action WHAT IS THIS?
     * @return void
     * @access protected
     */
    public function transaction($action)
    {
        switch ($action) {
            case 'start':
                // store all the data away into the checkpoint variable
                $data = get_object_vars($this);
                $this->checkpoint = $data;

                unset($data);
                break;
            case 'commit':
                if (is_array($this->checkpoint) && isset($this->checkpoint['checkpoint'])) {
                    $tmp = $this->checkpoint['checkpoint'];
                    $this->checkpoint = $tmp;
                    unset($tmp);
                } else {
                    $this->checkpoint='';
                }
                break;
            case 'rewind':
                // do not destroy the current checkpoint, but move us back to the state then, so that we can try again
                if (is_array($this->checkpoint)) {
                    // can only abort if were inside a checkpoint
                    $tmp = $this->checkpoint;
                    foreach ($tmp as $k => $v) {
                        if ($k != 'checkpoint') {
                            $this->$k=$v;
                        }
                    }
                    unset($tmp);
                }
                break;
            case 'abort':
                if (is_array($this->checkpoint)) {
                    // can only abort if were inside a checkpoint
                    $tmp = $this->checkpoint;
                    foreach ($tmp as $k => $v) {
                        $this->$k=$v;
                    }
                    unset($tmp);
                }
                break;
        }
    }
} // end of class

Intraface_LegacyCpdf::o_fontGIDtoCIDMap() C
last analyzed 2017-03-20 12:20 UTC

Complexity

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Duplication

Code Coverage

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Available Fixes

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Logical Operators are used for Control-Flow

Logical Operators are used for Control-Flow

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intraface / intraface.dk

Intraface_LegacyCpdf::o_fontGIDtoCIDMap() C last analyzed 2017-03-20 12:20 UTC

Complexity

Size

Duplication

Code Coverage

Importance

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Logical Operators are used for Control-Flow

Logical Operators are used for Control-Flow

Available Fixes

Available Fixes

Available Fixes

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Intraface_LegacyCpdf::o_fontGIDtoCIDMap() C
last analyzed 2017-03-20 12:20 UTC
