first commit
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The MIT License (MIT)
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Copyright (c) 2013 David Tufts
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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php-barcode
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===========
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Source code for the article "How To Create Barcodes in PHP" found at:
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http://davidscotttufts.com/2009/03/31/how-to-create-barcodes-in-php/
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This script that generates barcodes in four barcode formats including
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Code 128, Code 39, Code 2of5, and Codabar. With a little over 100 lines
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of code you have the options of “vertical” or “horizontal” display,
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varying barcode heights, and one of four barcode formats. It does require
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the GD Library to be installed as a module in PHP.
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Usage:
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<img alt="testing" src="barcode.php?text=testing" />
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Result:
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<img alt="testing" src="http://davidscotttufts.com/code/barcode.php?text=testing" />
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<?php
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/*
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* Author David S. Tufts
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* Company davidscotttufts.com
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*
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* Date: 05/25/2003
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* Usage: <img src="/barcode.php?text=testing" alt="testing" />
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*/
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// For demonstration purposes, get pararameters that are passed in through $_GET or set to the default value
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$filepath = (isset($_GET["filepath"])?$_GET["filepath"]:"");
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$text = (isset($_GET["text"])?$_GET["text"]:"0");
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$size = (isset($_GET["size"])?$_GET["size"]:"20");
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$orientation = (isset($_GET["orientation"])?$_GET["orientation"]:"horizontal");
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$code_type = (isset($_GET["codetype"])?$_GET["codetype"]:"code128");
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$print = (isset($_GET["print"])&&$_GET["print"]=='true'?true:false);
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$sizefactor = (isset($_GET["sizefactor"])?$_GET["sizefactor"]:"1");
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// This function call can be copied into your project and can be made from anywhere in your code
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barcode( $filepath, $text, $size, $orientation, $code_type, $print, $sizefactor );
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function barcode( $filepath="", $text="0", $size="20", $orientation="horizontal", $code_type="code128", $print=false, $SizeFactor=1 ) {
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$code_string = "";
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// Translate the $text into barcode the correct $code_type
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if ( in_array(strtolower($code_type), array("code128", "code128b")) ) {
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$chksum = 104;
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// Must not change order of array elements as the checksum depends on the array's key to validate final code
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$code_array = array(" "=>"212222","!"=>"222122","\""=>"222221","#"=>"121223","$"=>"121322","%"=>"131222","&"=>"122213","'"=>"122312","("=>"132212",")"=>"221213","*"=>"221312","+"=>"231212",","=>"112232","-"=>"122132","."=>"122231","/"=>"113222","0"=>"123122","1"=>"123221","2"=>"223211","3"=>"221132","4"=>"221231","5"=>"213212","6"=>"223112","7"=>"312131","8"=>"311222","9"=>"321122",":"=>"321221",";"=>"312212","<"=>"322112","="=>"322211",">"=>"212123","?"=>"212321","@"=>"232121","A"=>"111323","B"=>"131123","C"=>"131321","D"=>"112313","E"=>"132113","F"=>"132311","G"=>"211313","H"=>"231113","I"=>"231311","J"=>"112133","K"=>"112331","L"=>"132131","M"=>"113123","N"=>"113321","O"=>"133121","P"=>"313121","Q"=>"211331","R"=>"231131","S"=>"213113","T"=>"213311","U"=>"213131","V"=>"311123","W"=>"311321","X"=>"331121","Y"=>"312113","Z"=>"312311","["=>"332111","\\"=>"314111","]"=>"221411","^"=>"431111","_"=>"111224","\`"=>"111422","a"=>"121124","b"=>"121421","c"=>"141122","d"=>"141221","e"=>"112214","f"=>"112412","g"=>"122114","h"=>"122411","i"=>"142112","j"=>"142211","k"=>"241211","l"=>"221114","m"=>"413111","n"=>"241112","o"=>"134111","p"=>"111242","q"=>"121142","r"=>"121241","s"=>"114212","t"=>"124112","u"=>"124211","v"=>"411212","w"=>"421112","x"=>"421211","y"=>"212141","z"=>"214121","{"=>"412121","|"=>"111143","}"=>"111341","~"=>"131141","DEL"=>"114113","FNC 3"=>"114311","FNC 2"=>"411113","SHIFT"=>"411311","CODE C"=>"113141","FNC 4"=>"114131","CODE A"=>"311141","FNC 1"=>"411131","Start A"=>"211412","Start B"=>"211214","Start C"=>"211232","Stop"=>"2331112");
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$code_keys = array_keys($code_array);
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$code_values = array_flip($code_keys);
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for ( $X = 1; $X <= strlen($text); $X++ ) {
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$activeKey = substr( $text, ($X-1), 1);
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$code_string .= $code_array[$activeKey];
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$chksum=($chksum + ($code_values[$activeKey] * $X));
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}
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$code_string .= $code_array[$code_keys[($chksum - (intval($chksum / 103) * 103))]];
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$code_string = "211214" . $code_string . "2331112";
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} elseif ( strtolower($code_type) == "code128a" ) {
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$chksum = 103;
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$text = strtoupper($text); // Code 128A doesn't support lower case
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// Must not change order of array elements as the checksum depends on the array's key to validate final code
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$code_array = array(" "=>"212222","!"=>"222122","\""=>"222221","#"=>"121223","$"=>"121322","%"=>"131222","&"=>"122213","'"=>"122312","("=>"132212",")"=>"221213","*"=>"221312","+"=>"231212",","=>"112232","-"=>"122132","."=>"122231","/"=>"113222","0"=>"123122","1"=>"123221","2"=>"223211","3"=>"221132","4"=>"221231","5"=>"213212","6"=>"223112","7"=>"312131","8"=>"311222","9"=>"321122",":"=>"321221",";"=>"312212","<"=>"322112","="=>"322211",">"=>"212123","?"=>"212321","@"=>"232121","A"=>"111323","B"=>"131123","C"=>"131321","D"=>"112313","E"=>"132113","F"=>"132311","G"=>"211313","H"=>"231113","I"=>"231311","J"=>"112133","K"=>"112331","L"=>"132131","M"=>"113123","N"=>"113321","O"=>"133121","P"=>"313121","Q"=>"211331","R"=>"231131","S"=>"213113","T"=>"213311","U"=>"213131","V"=>"311123","W"=>"311321","X"=>"331121","Y"=>"312113","Z"=>"312311","["=>"332111","\\"=>"314111","]"=>"221411","^"=>"431111","_"=>"111224","NUL"=>"111422","SOH"=>"121124","STX"=>"121421","ETX"=>"141122","EOT"=>"141221","ENQ"=>"112214","ACK"=>"112412","BEL"=>"122114","BS"=>"122411","HT"=>"142112","LF"=>"142211","VT"=>"241211","FF"=>"221114","CR"=>"413111","SO"=>"241112","SI"=>"134111","DLE"=>"111242","DC1"=>"121142","DC2"=>"121241","DC3"=>"114212","DC4"=>"124112","NAK"=>"124211","SYN"=>"411212","ETB"=>"421112","CAN"=>"421211","EM"=>"212141","SUB"=>"214121","ESC"=>"412121","FS"=>"111143","GS"=>"111341","RS"=>"131141","US"=>"114113","FNC 3"=>"114311","FNC 2"=>"411113","SHIFT"=>"411311","CODE C"=>"113141","CODE B"=>"114131","FNC 4"=>"311141","FNC 1"=>"411131","Start A"=>"211412","Start B"=>"211214","Start C"=>"211232","Stop"=>"2331112");
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$code_keys = array_keys($code_array);
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$code_values = array_flip($code_keys);
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for ( $X = 1; $X <= strlen($text); $X++ ) {
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$activeKey = substr( $text, ($X-1), 1);
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$code_string .= $code_array[$activeKey];
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$chksum=($chksum + ($code_values[$activeKey] * $X));
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}
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$code_string .= $code_array[$code_keys[($chksum - (intval($chksum / 103) * 103))]];
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$code_string = "211412" . $code_string . "2331112";
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} elseif ( strtolower($code_type) == "code39" ) {
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$code_array = array("0"=>"111221211","1"=>"211211112","2"=>"112211112","3"=>"212211111","4"=>"111221112","5"=>"211221111","6"=>"112221111","7"=>"111211212","8"=>"211211211","9"=>"112211211","A"=>"211112112","B"=>"112112112","C"=>"212112111","D"=>"111122112","E"=>"211122111","F"=>"112122111","G"=>"111112212","H"=>"211112211","I"=>"112112211","J"=>"111122211","K"=>"211111122","L"=>"112111122","M"=>"212111121","N"=>"111121122","O"=>"211121121","P"=>"112121121","Q"=>"111111222","R"=>"211111221","S"=>"112111221","T"=>"111121221","U"=>"221111112","V"=>"122111112","W"=>"222111111","X"=>"121121112","Y"=>"221121111","Z"=>"122121111","-"=>"121111212","."=>"221111211"," "=>"122111211","$"=>"121212111","/"=>"121211121","+"=>"121112121","%"=>"111212121","*"=>"121121211");
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// Convert to uppercase
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$upper_text = strtoupper($text);
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for ( $X = 1; $X<=strlen($upper_text); $X++ ) {
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$code_string .= $code_array[substr( $upper_text, ($X-1), 1)] . "1";
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}
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$code_string = "1211212111" . $code_string . "121121211";
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} elseif ( strtolower($code_type) == "code25" ) {
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$code_array1 = array("1","2","3","4","5","6","7","8","9","0");
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$code_array2 = array("3-1-1-1-3","1-3-1-1-3","3-3-1-1-1","1-1-3-1-3","3-1-3-1-1","1-3-3-1-1","1-1-1-3-3","3-1-1-3-1","1-3-1-3-1","1-1-3-3-1");
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for ( $X = 1; $X <= strlen($text); $X++ ) {
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for ( $Y = 0; $Y < count($code_array1); $Y++ ) {
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if ( substr($text, ($X-1), 1) == $code_array1[$Y] )
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$temp[$X] = $code_array2[$Y];
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}
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}
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for ( $X=1; $X<=strlen($text); $X+=2 ) {
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if ( isset($temp[$X]) && isset($temp[($X + 1)]) ) {
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$temp1 = explode( "-", $temp[$X] );
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$temp2 = explode( "-", $temp[($X + 1)] );
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for ( $Y = 0; $Y < count($temp1); $Y++ )
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$code_string .= $temp1[$Y] . $temp2[$Y];
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}
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}
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$code_string = "1111" . $code_string . "311";
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} elseif ( strtolower($code_type) == "codabar" ) {
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$code_array1 = array("1","2","3","4","5","6","7","8","9","0","-","$",":","/",".","+","A","B","C","D");
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$code_array2 = array("1111221","1112112","2211111","1121121","2111121","1211112","1211211","1221111","2112111","1111122","1112211","1122111","2111212","2121112","2121211","1121212","1122121","1212112","1112122","1112221");
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// Convert to uppercase
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$upper_text = strtoupper($text);
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for ( $X = 1; $X<=strlen($upper_text); $X++ ) {
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for ( $Y = 0; $Y<count($code_array1); $Y++ ) {
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if ( substr($upper_text, ($X-1), 1) == $code_array1[$Y] )
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$code_string .= $code_array2[$Y] . "1";
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}
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}
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$code_string = "11221211" . $code_string . "1122121";
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}
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// Pad the edges of the barcode
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$code_length = 20;
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if ($print) {
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$text_height = 30;
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} else {
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$text_height = 0;
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}
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for ( $i=1; $i <= strlen($code_string); $i++ ){
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$code_length = $code_length + (integer)(substr($code_string,($i-1),1));
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}
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if ( strtolower($orientation) == "horizontal" ) {
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$img_width = $code_length*$SizeFactor;
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$img_height = $size;
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} else {
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$img_width = $size;
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$img_height = $code_length*$SizeFactor;
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}
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$image = imagecreate($img_width, $img_height + $text_height);
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$black = imagecolorallocate ($image, 0, 0, 0);
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$white = imagecolorallocate ($image, 255, 255, 255);
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imagefill( $image, 0, 0, $white );
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if ( $print ) {
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imagestring($image, 5, 31, $img_height, $text, $black );
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}
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$location = 10;
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for ( $position = 1 ; $position <= strlen($code_string); $position++ ) {
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$cur_size = $location + ( substr($code_string, ($position-1), 1) );
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if ( strtolower($orientation) == "horizontal" )
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imagefilledrectangle( $image, $location*$SizeFactor, 0, $cur_size*$SizeFactor, $img_height, ($position % 2 == 0 ? $white : $black) );
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else
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imagefilledrectangle( $image, 0, $location*$SizeFactor, $img_width, $cur_size*$SizeFactor, ($position % 2 == 0 ? $white : $black) );
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$location = $cur_size;
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}
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// Draw barcode to the screen or save in a file
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if ( $filepath=="" ) {
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header ('Content-type: image/png');
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imagepng($image);
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imagedestroy($image);
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} else {
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imagepng($image,$filepath);
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imagedestroy($image);
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}
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}
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?>
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