Fixing style errors.

htdocs/includes/mike42/escpos-php/autoload.php

@@ -1,26 +1,26 @@
 <?php
 /**
  * Users who do not have 'composer' to manage dependencies, include this
- * file to provide auto-loading of the classes in this library. 
+ * file to provide auto-loading of the classes in this library.
  */
-spl_autoload_register ( function ($class) {
+spl_autoload_register( function ($class) {
 	/*
 	 * PSR-4 autoloader, based on PHP Framework Interop Group snippet (Under MIT License.)
 	 * https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader-examples.md
 	 */
 	$prefix = "Mike42\\";
 	$base_dir = __DIR__ . "/src/Mike42/";
-	
+
 	/* Only continue for classes in this namespace */
-	$len = strlen ( $prefix );
-	if (strncmp ( $prefix, $class, $len ) !== 0) {
+	$len = strlen($prefix);
+	if (strncmp($prefix, $class, $len) !== 0) {
 		return;
 	}
-	
+
 	/* Require the file if it exists */
-	$relative_class = substr ( $class, $len );
-	$file = $base_dir . str_replace ( '\\', '/', $relative_class ) . '.php';
-	if (file_exists ( $file )) {
+	$relative_class = substr($class, $len);
+	$file = $base_dir . str_replace('\\', '/', $relative_class) . '.php';
+	if (file_exists($file)) {
 		require $file;
 	}
 } );

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/CapabilityProfile.php

@@ -83,13 +83,13 @@ class CapabilityProfile
      */
     protected $profileId;
 
-    
+
     /**
      * @var string $vendor
      *  Name of manufacturer.
      */
     protected $vendor;
-    
+
     /**
      *
      * @var array $encodings

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/EscposImage.php

@@ -42,51 +42,51 @@ abstract class EscposImage
      *  height of the image.
      */
     protected $imgHeight = 0;
-    
+
     /**
      * @var int $imgWidth
      *  width of the image
      */
     protected $imgWidth = 0;
-    
+
     /**
      * @var string $imgData
      *  Image data in rows: 1 for black, 0 for white.
      */
     private $imgData = null;
-    
+
     /**
      * @var array:string $imgColumnData
      *  Cached column-format data to avoid re-computation
      */
     private $imgColumnData = [];
-    
+
     /**
      * @var string $imgRasterData
      *  Cached raster format data to avoid re-computation
      */
     private $imgRasterData = null;
-    
+
     /**
      * @var string $filename
      *  Filename of image on disk - null if not loaded from disk.
      */
     private $filename = null;
-    
+
     /**
      * @var boolean $allowOptimisations
      *  True to allow faster library-specific rendering shortcuts, false to always just use
      *  image libraries to read pixels (more reproducible between systems).
      */
     private $allowOptimisations = true;
-    
+
     /**
      * Construct a new EscposImage.
      *
      * @param string $filename Path to image filename, or null to create an empty image.
      * @param boolean $allowOptimisations True (default) to use any library-specific tricks
-     *  to speed up rendering, false to force the image to be read in pixel-by-pixel,
-     *  which is easier to unit test and more reproducible between systems, but slower.
+     *                                    to speed up rendering, false to force the image to be read in pixel-by-pixel,
+     *                                    which is easier to unit test and more reproducible between systems, but slower.
      */
     public function __construct($filename = null, $allowOptimisations = true)
     {
@@ -101,15 +101,15 @@ abstract class EscposImage
     {
         return $this -> imgHeight;
     }
-    
+
     /**
      * @return int Number of bytes to represent a row of this image
      */
     public function getHeightBytes()
     {
-        return (int)(($this -> imgHeight + 7) / 8);
+        return (int) (($this -> imgHeight + 7) / 8);
     }
-    
+
     /**
      * @return int Width of the image
      */
@@ -117,13 +117,13 @@ abstract class EscposImage
     {
         return $this -> imgWidth;
     }
-    
+
     /**
      * @return int Number of bytes to represent a row of this image
      */
     public function getWidthBytes()
     {
-        return (int)(($this -> imgWidth + 7) / 8);
+        return (int) (($this -> imgWidth + 7) / 8);
     }
 
     /**
@@ -155,7 +155,7 @@ abstract class EscposImage
         }
         return $this -> imgRasterData;
     }
-    
+
     /**
      * Output the image in column format.
      *
@@ -199,7 +199,7 @@ abstract class EscposImage
         $this -> setImgHeight(0);
         $this -> setImgData("");
     }
-    
+
     /**
      * Set image data.
      *
@@ -209,7 +209,7 @@ abstract class EscposImage
     {
         $this -> imgData = $data;
     }
-    
+
     /**
      * Set image width.
      *
@@ -219,7 +219,7 @@ abstract class EscposImage
     {
         $this -> imgWidth = $width;
     }
-    
+
     /**
      * Set image height.
      *
@@ -229,7 +229,7 @@ abstract class EscposImage
     {
         $this -> imgHeight = $height;
     }
-    
+
     /**
      * @param string $filename
      *  Filename to load from
@@ -242,7 +242,7 @@ abstract class EscposImage
         // No optimised implementation to provide
         return null;
     }
-    
+
     /**
      * @param string $filename
      *  Filename to load from
@@ -257,7 +257,7 @@ abstract class EscposImage
         // No optimised implementation to provide
         return null;
     }
-    
+
     /**
      * Get column fromat from loaded image pixels, line by line.
      *
@@ -279,7 +279,7 @@ abstract class EscposImage
             return $data;
         }
         do {
-            $byteVal |= (int)$this -> imgData[$y * $widthPixels + $x] << (7 - $bit);
+            $byteVal |= (int) $this -> imgData[$y * $widthPixels + $x] << (7 - $bit);
             $x++;
             $bit++;
             if ($x >= $widthPixels) {
@@ -303,7 +303,7 @@ abstract class EscposImage
         }
         return $data;
     }
-    
+
     /**
      * Get column fromat from loaded image pixels, line by line.
      *
@@ -322,7 +322,7 @@ abstract class EscposImage
         }
         return $out;
     }
-    
+
     /**
      * Output image in column format. Must be called once for each line of output.
      *
@@ -356,7 +356,7 @@ abstract class EscposImage
         do {
             $yReal = $y + $yStart;
             if ($yReal < $heightPixels) {
-                $byteVal |= (int)$this -> imgData[$yReal * $widthPixels + $x] << (7 - $bit);
+                $byteVal |= (int) $this -> imgData[$yReal * $widthPixels + $x] << (7 - $bit);
             }
             $y++;
             $bit++;
@@ -381,7 +381,7 @@ abstract class EscposImage
         }
         return $data;
     }
-    
+
     /**
      * @return boolean True if GD is loaded, false otherwise
      */
@@ -389,7 +389,7 @@ abstract class EscposImage
     {
         return extension_loaded('gd');
     }
-    
+
     /**
      * @return boolean True if Imagick is loaded, false otherwise
      */
@@ -397,7 +397,7 @@ abstract class EscposImage
     {
         return extension_loaded('imagick');
     }
-    
+
 
     /**
      * This is a convinience method to load an image from file, auto-selecting

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/GdEscposImage.php

@@ -33,7 +33,7 @@ class GdEscposImage extends EscposImage
             /* Set to blank image */
             return parent::loadImageData($filename);
         }
-        
+
         $ext = pathinfo($filename, PATHINFO_EXTENSION);
         switch ($ext) {
             case "png":
@@ -73,7 +73,7 @@ class GdEscposImage extends EscposImage
                 /* Faster to average channels, blend alpha and negate the image here than via filters (tested!) */
                 $cols = imagecolorsforindex($im, imagecolorat($im, $x, $y));
                 // 1 for white, 0 for black, ignoring transparency
-                $greyness = (int)(($cols['red'] + $cols['green'] + $cols['blue']) / 3) >> 7;
+                $greyness = (int) (($cols['red'] + $cols['green'] + $cols['blue']) / 3) >> 7;
                 // 1 for black, 0 for white, taking into account transparency
                 $black = (1 - $greyness) >> ($cols['alpha'] >> 6);
                 $imgData[$y * $imgWidth + $x] = $black;

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/ImagickEscposImage.php

@@ -44,7 +44,7 @@ class ImagickEscposImage extends EscposImage
                 /* Faster to average channels, blend alpha and negate the image here than via filters (tested!) */
                 $cols = $im -> getImagePixelColor($x, $y);
                 $cols = $cols -> getcolor();
-                $greyness = (int)(($cols['r'] + $cols['g'] + $cols['b']) / 3) >> 7;  // 1 for white, 0 for black
+                $greyness = (int) (($cols['r'] + $cols['g'] + $cols['b']) / 3) >> 7;  // 1 for white, 0 for black
                 $imgData[$y * $imgWidth + $x] = (1 - $greyness); // 1 for black, 0 for white
             }
         }
@@ -70,7 +70,7 @@ class ImagickEscposImage extends EscposImage
         $im = $this -> getImageFromFile($filename);
         $this -> setImgWidth($im -> getimagewidth());
         $this -> setImgHeight($im -> getimageheight());
-        
+
         /* Strip transparency */
         $im = self::alphaRemove($im);
         $im -> setformat('pbm');
@@ -95,7 +95,7 @@ class ImagickEscposImage extends EscposImage
             /* Set to blank image */
             return parent::loadImageData($filename);
         }
-    
+
         $im = $this -> getImageFromFile($filename);
         $this -> readImageFromImagick($im);
     }

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintBuffers/EscposPrintBuffer.php

@@ -136,7 +136,7 @@ class EscposPrintBuffer implements PrintBuffer
             if ($c == "\r") {
                 /* Skip past Windows line endings (raw usage). */
                 continue;
-            } else if (self::asciiCheck($c, true)) {
+            } elseif (self::asciiCheck($c, true)) {
                 $outp[$j] = $c;
             }
             $j++;
@@ -167,7 +167,7 @@ class EscposPrintBuffer implements PrintBuffer
         }
         return false;
     }
-    
+
     /**
      * Based on the printer's connector, compute (or load a cached copy of) maps
      * of UTF character to unicode characters for later use.
@@ -219,7 +219,7 @@ class EscposPrintBuffer implements PrintBuffer
                 $encode[$num][$utf8] = chr($char);
             }
         }
-        
+
         /* Use generated data */
         $dataArray = ["available" => $available, "encode" => $encode, "key" => $cacheKey];
         $this -> available = $dataArray["available"];

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintBuffers/ImagePrintBuffer.php

@@ -74,7 +74,7 @@ class ImagePrintBuffer implements PrintBuffer
         $draw = new \ImagickDraw();
         $color = new \ImagickPixel('#000000');
         $background = new \ImagickPixel('white');
-            
+
         /* Create annotation */
         if ($this->font !== null) {
             // Allow fallback on defaults as necessary

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintConnectors/CupsPrintConnector.php

@@ -21,20 +21,20 @@ use BadMethodCallException;
  */
 class CupsPrintConnector implements PrintConnector
 {
-    
+
     /**
      * @var array $buffer
      *  Buffer of accumilated data.
      */
     private $buffer;
-    
+
     /**
      *
      * @var string $printerName
      *  The name of the target printer.
      */
     private $printerName;
-    
+
     /**
      * Construct new CUPS print connector.
      *
@@ -49,7 +49,7 @@ class CupsPrintConnector implements PrintConnector
             throw new BadMethodCallException("You do not have any printers installed on " .
                 "this system via CUPS. Check 'lpr -a'.");
         }
-        
+
         if (array_search($dest, $valid, true) === false) {
             throw new BadMethodCallException("'$dest' is not a printer on this system. " .
                 "Printers are: [" . implode(", ", $valid) . "]");
@@ -57,7 +57,7 @@ class CupsPrintConnector implements PrintConnector
         $this->buffer = array ();
         $this->printerName = $dest;
     }
-    
+
     /**
      * Cause a NOTICE if deconstructed before the job was printed.
      */
@@ -67,7 +67,7 @@ class CupsPrintConnector implements PrintConnector
             trigger_error("Print connector was not finalized. Did you forget to close the printer?", E_USER_NOTICE);
         }
     }
-    
+
     /**
      * Send job to printer.
      */
@@ -75,7 +75,7 @@ class CupsPrintConnector implements PrintConnector
     {
         $data = implode($this->buffer);
         $this->buffer = null;
-        
+
         // Build command to work on data
         $tmpfname = tempnam(sys_get_temp_dir(), 'print-');
         file_put_contents($tmpfname, $data);
@@ -92,7 +92,7 @@ class CupsPrintConnector implements PrintConnector
         }
         unlink($tmpfname);
     }
-    
+
     /**
      * Run a command and throw an exception if it fails, or return the output if it works.
      * (Basically exec() with good error handling)
@@ -129,7 +129,7 @@ class CupsPrintConnector implements PrintConnector
         }
         return $outputStr;
     }
-    
+
     /**
      * Read data from the printer.
      *
@@ -140,7 +140,7 @@ class CupsPrintConnector implements PrintConnector
     {
         return false;
     }
-    
+
     /**
      * @param string $data
      */
@@ -148,7 +148,7 @@ class CupsPrintConnector implements PrintConnector
     {
         $this->buffer [] = $data;
     }
-    
+
     /**
      * Load a list of CUPS printers.
      *
@@ -164,7 +164,7 @@ class CupsPrintConnector implements PrintConnector
         }
         return $ret;
     }
-    
+
     /**
      * Get the item before the first space in a string
      *

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintConnectors/DummyPrintConnector.php

@@ -41,7 +41,7 @@ final class DummyPrintConnector implements PrintConnector
     {
         $this -> buffer = [];
     }
-    
+
     public function __destruct()
     {
         if ($this -> buffer !== null) {

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintConnectors/FilePrintConnector.php

@@ -55,7 +55,7 @@ class FilePrintConnector implements PrintConnector
             $this -> fp = false;
         }
     }
-    
+
     /* (non-PHPdoc)
      * @see PrintConnector::read()
      */
@@ -66,7 +66,7 @@ class FilePrintConnector implements PrintConnector
         }
         return fread($this -> fp, $len);
     }
-    
+
     /**
      * Write data to the file
      *

htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/Printer.php

@@ -362,7 +362,7 @@ class Printer
     {
         /* Set connector */
         $this -> connector = $connector;
-        
+
         /* Set capability profile */
         if ($profile === null) {
             $profile = CapabilityProfile::load('default');
@@ -374,18 +374,18 @@ class Printer
         $this -> setPrintBuffer($buffer);
         $this -> initialize();
     }
-    
+
     /**
      * Print a barcode.
      *
      * @param string $content The information to encode.
      * @param int $type The barcode standard to output. Supported values are
-     * `Printer::BARCODE_UPCA`, `Printer::BARCODE_UPCE`, `Printer::BARCODE_JAN13`,
-     * `Printer::BARCODE_JAN8`, `Printer::BARCODE_CODE39`, `Printer::BARCODE_ITF`,
-     * `Printer::BARCODE_CODABAR`, `Printer::BARCODE_CODE93`, and `Printer::BARCODE_CODE128`.
-     * If not specified, `Printer::BARCODE_CODE39` will be used. Note that some
-     * barcode formats only support specific lengths or sets of characters, and that
-     * available barcode types vary between printers.
+     *                  `Printer::BARCODE_UPCA`, `Printer::BARCODE_UPCE`, `Printer::BARCODE_JAN13`,
+     *                  `Printer::BARCODE_JAN8`, `Printer::BARCODE_CODE39`, `Printer::BARCODE_ITF`,
+     *                  `Printer::BARCODE_CODABAR`, `Printer::BARCODE_CODE93`, and `Printer::BARCODE_CODE128`.
+     *                  If not specified, `Printer::BARCODE_CODE39` will be used. Note that some
+     *                  barcode formats only support specific lengths or sets of characters, and that
+     *                  available barcode types vary between printers.
      * @throws InvalidArgumentException Where the length or characters used in $content is invalid for the requested barcode format.
      */
     public function barcode($content, $type = Printer::BARCODE_CODE39)
@@ -441,7 +441,7 @@ class Printer
         // More advanced function B, used in preference
         $this -> connector -> write(self::GS . "k" . chr($type) . chr(strlen($content)) . $content);
     }
-    
+
     /**
      * Print an image, using the older "bit image" command. This creates padding on the right of the image,
      * if its width is not divisible by 8.
@@ -451,8 +451,8 @@ class Printer
      *
      * @param EscposImage $img The image to print
      * @param int $size Size modifier for the image. Must be either `Printer::IMG_DEFAULT`
-     *  (default), or any combination of the `Printer::IMG_DOUBLE_HEIGHT` and
-     *  `Printer::IMG_DOUBLE_WIDTH` flags.
+     *                  (default), or any combination of the `Printer::IMG_DOUBLE_HEIGHT` and
+     *                  `Printer::IMG_DOUBLE_WIDTH` flags.
      */
     public function bitImage(EscposImage $img, $size = Printer::IMG_DEFAULT)
     {
@@ -471,8 +471,8 @@ class Printer
      *
      * @param EscposImage $img The image to print
      * @param int $size Size modifier for the image. Must be either `Printer::IMG_DEFAULT`
-     *  (default), or any combination of the `Printer::IMG_DOUBLE_HEIGHT` and
-     *  `Printer::IMG_DOUBLE_WIDTH` flags.
+     *                  (default), or any combination of the `Printer::IMG_DOUBLE_HEIGHT` and
+     *                  `Printer::IMG_DOUBLE_WIDTH` flags.
      */
     public function bitImageColumnFormat(EscposImage $img, $size = Printer::IMG_DEFAULT)
     {
@@ -502,7 +502,7 @@ class Printer
     {
         $this -> connector -> finalize();
     }
-    
+
     /**
      * Cut the paper.
      *
@@ -514,7 +514,7 @@ class Printer
         // TODO validation on cut() inputs
         $this -> connector -> write(self::GS . "V" . chr($mode) . chr($lines));
     }
-    
+
     /**
      * Print and feed line / Print and feed n lines.
      *
@@ -565,7 +565,7 @@ class Printer
     {
         return $this -> characterTable;
     }
-    
+
     /**
      * @return PrintBuffer
      */
@@ -606,8 +606,8 @@ class Printer
      *
      * @param EscposImage $img The image to print.
      * @param int $size Size modifier for the image. Must be either `Printer::IMG_DEFAULT`
-     *  (default), or any combination of the `Printer::IMG_DOUBLE_HEIGHT` and
-     *  `Printer::IMG_DOUBLE_WIDTH` flags.
+     *                  (default), or any combination of the `Printer::IMG_DOUBLE_HEIGHT` and
+     *                  `Printer::IMG_DOUBLE_WIDTH` flags.
      */
     public function graphics(EscposImage $img, $size = Printer::IMG_DEFAULT)
     {
@@ -622,7 +622,7 @@ class Printer
         $this -> wrapperSendGraphicsData('0', 'p', $header . $rasterData);
         $this -> wrapperSendGraphicsData('0', '2');
     }
-    
+
     /**
      * Initialize printer. This resets formatting back to the defaults.
      */
@@ -637,15 +637,15 @@ class Printer
      *
      * @param string $content Text or numbers to store in the code
      * @param int $width Width of a module (pixel) in the printed code.
-     *  Default is 3 dots.
+     *                   Default is 3 dots.
      * @param int $heightMultiplier Multiplier for height of a module.
-     *  Default is 3 times the width.
+     *                              Default is 3 times the width.
      * @param int $dataColumnCount Number of data columns to use. 0 (default)
-     *  is to auto-calculate. Smaller numbers will result in a narrower code,
-     *  making larger pixel sizes possible. Larger numbers require smaller pixel sizes.
+     *                             is to auto-calculate. Smaller numbers will result in a narrower code,
+     *                             making larger pixel sizes possible. Larger numbers require smaller pixel sizes.
      * @param float $ec Error correction ratio, from 0.01 to 4.00. Default is 0.10 (10%).
      * @param int $options Standard code Printer::PDF417_STANDARD with
-     *  start/end bars, or truncated code Printer::PDF417_TRUNCATED with start bars only.
+     *                     start/end bars, or truncated code Printer::PDF417_TRUNCATED with start bars only.
      * @throws Exception If this profile indicates that PDF417 code is not supported
      */
     public function pdf417Code($content, $width = 3, $heightMultiplier = 3, $dataColumnCount = 0, $ec = 0.10, $options = Printer::PDF417_STANDARD)
@@ -672,7 +672,7 @@ class Printer
         $this -> wrapperSend2dCodeData(chr(67), $cn, chr($width));
         $this -> wrapperSend2dCodeData(chr(68), $cn, chr($heightMultiplier));
         // Set error correction ratio: 1% to 400%
-        $ec_int = (int)ceil(floatval($ec) * 10);
+        $ec_int = (int) ceil(floatval($ec) * 10);
         $this -> wrapperSend2dCodeData(chr(69), $cn, chr($ec_int), '1');
         // Send content & print
         $this -> wrapperSend2dCodeData(chr(80), $cn, $content, '0');
@@ -772,7 +772,7 @@ class Printer
 
         $this -> connector -> write(self::ESC . "!" . chr($mode));
     }
-    
+
     /**
      * Set barcode height.
      *
@@ -788,27 +788,27 @@ class Printer
      * Set barcode bar width.
      *
      * @param int $width Bar width in dots. If not specified, 3 will be used.
-     *  Values above 6 appear to have no effect.
+     *                   Values above 6 appear to have no effect.
      */
     public function setBarcodeWidth($width = 3)
     {
         self::validateInteger($width, 1, 255, __FUNCTION__);
         $this -> connector -> write(self::GS . "w" . chr($width));
     }
-    
+
     /**
      * Set the position for the Human Readable Interpretation (HRI) of barcode characters.
      *
      * @param int $position. Use Printer::BARCODE_TEXT_NONE to hide the text (default),
-     *  or any combination of Printer::BARCODE_TEXT_ABOVE and Printer::BARCODE_TEXT_BELOW
-     *  flags to display the text.
+     *                       or any combination of Printer::BARCODE_TEXT_ABOVE and Printer::BARCODE_TEXT_BELOW
+     *                       flags to display the text.
      */
     public function setBarcodeTextPosition($position = Printer::BARCODE_TEXT_NONE)
     {
         self::validateInteger($position, 0, 3, __FUNCTION__, "Barcode text position");
         $this -> connector -> write(self::GS . "H" . chr($position));
     }
-    
+
     /**
      * Turn double-strike mode on/off.
      *
@@ -841,7 +841,7 @@ class Printer
         self::validateBoolean($on, __FUNCTION__);
         $this -> connector -> write(self::ESC . "E". ($on ? chr(1) : chr(0)));
     }
-    
+
     /**
      * Select font. Most printers have two fonts (Fonts A and B), and some have a third (Font C).
      *
@@ -852,7 +852,7 @@ class Printer
         self::validateInteger($font, 0, 2, __FUNCTION__);
         $this -> connector -> write(self::ESC . "M" . chr($font));
     }
-    
+
     /**
      * Select justification.
      *
@@ -870,7 +870,7 @@ class Printer
      * Some printers will allow you to overlap lines with a smaller line feed.
      *
      * @param int|null $height The height of each line, in dots. If not set, the printer
-     *  will reset to its default line spacing.
+     *                         will reset to its default line spacing.
      */
     public function setLineSpacing($height = null)
     {
@@ -926,7 +926,7 @@ class Printer
         $this -> buffer = $buffer;
         $this -> buffer -> setPrinter($this);
     }
-    
+
     /**
      * Set black/white reverse mode on or off. In this mode, text is printed white on a black background.
      *
@@ -995,7 +995,7 @@ class Printer
     public function text($str = "")
     {
         self::validateString($str, __FUNCTION__);
-        $this -> buffer -> writeText((string)$str);
+        $this -> buffer -> writeText((string) $str);
     }
 
     /**
@@ -1010,7 +1010,7 @@ class Printer
         self::validateString($str, __FUNCTION__);
         $this -> connector -> write(self::FS . "&");
         $str = iconv("UTF-8", "GBK//IGNORE", $str);
-        $this -> buffer -> writeTextRaw((string)$str);
+        $this -> buffer -> writeTextRaw((string) $str);
         $this -> connector -> write(self::FS . ".");
     }
 
@@ -1025,9 +1025,9 @@ class Printer
     public function textRaw($str = "")
     {
         self::validateString($str, __FUNCTION__);
-        $this -> buffer -> writeTextRaw((string)$str);
+        $this -> buffer -> writeTextRaw((string) $str);
     }
-    
+
     /**
      * Wrapper for GS ( k, to calculate and send correct data length.
      *
@@ -1045,7 +1045,7 @@ class Printer
         $header = $this -> intLowHigh(strlen($data) + strlen($m) + 2, 2);
         $this -> connector -> write(self::GS . "(k" . $header . $cn . $fn . $m . $data);
     }
-    
+
     /**
      * Wrapper for GS ( L, to calculate and send correct data length.
      *
@@ -1062,7 +1062,7 @@ class Printer
         $header = $this -> intLowHigh(strlen($data) + 2, 2);
         $this -> connector -> write(self::GS . "(L" . $header . $m . $fn . $data);
     }
-    
+
     /**
      * Convert widths and heights to characters. Used before sending graphics to set the size.
      *
@@ -1083,7 +1083,7 @@ class Printer
         }
         return implode("", $outp);
     }
-    
+
     /**
      * Generate two characters for a number: In lower and higher parts, or more parts as needed.
      *
@@ -1098,11 +1098,11 @@ class Printer
         $outp = "";
         for ($i = 0; $i < $length; $i++) {
             $outp .= chr($input % 256);
-            $input = (int)($input / 256);
+            $input = (int) ($input / 256);
         }
         return $outp;
     }
-    
+
     /**
      * Throw an exception if the argument given is not a boolean
      *
@@ -1148,7 +1148,7 @@ class Printer
     {
         self::validateIntegerMulti($test, [[$min, $max]], $source, $argument);
     }
-    
+
     /**
      * Throw an exception if the argument given is not an integer within one of the specified ranges
      *
@@ -1198,7 +1198,7 @@ class Printer
             throw new InvalidArgumentException("$argument to $source must be a string");
         }
     }
-    
+
     /**
      * Throw an exception if the argument doesn't match the given regex.
      *