PHP Barcode Reader for Linux

Version 8.8

The sample demonstrates how to make PHP barcode reader with PHP7 and Dynamsoft Barcode Reader for Linux.

License

Get the trial license.

Installation

• php-cli, php-dev, and libxml2-dev

  sudo apt install php-cli php-dev libxml2-dev
  

• Check php version php -v and download the corresponding source code

• Dynamsoft Barcode Reader SDK

  unzip dbr-c_cpp-8.8.zip
  sudo cp DynamsoftBarcodeReader/Lib/Linux/*.so /usr/lib
  

How to Build the Extension

1. Unzip PHP source code and then change directory to ext:

   tar xvf php-7.<version>.tar.gz
   cd php-7.<version>/ext/
   

2. Create an extension folder:

   php ext_skel.php --ext dbr
   cd dbr
   

3. Copy AllSupportedBarcodeTypes.tif, config.m4, DynamsoftBarcodeReader.h, DynamsoftCommon.h, reader.php and dbr.c to php-7./ext/dbr:

4. Copy php.ini to /etc/php/7./cli/php.ini.

5. Build and install the extension:

   phpize
   ./configure
   make
   sudo make install
   

6. Get a trial license and set it in reader.php:

   DBRInitLicense("LICENSE-KEY");

7. Run reader.php:

   php -c /etc/php/7.<version>/cli/php.ini reader.php
   

   

Online Barcode Reader with PHP Custom Extension

Get the source code and deploy it to any web server.

PHP on Apache

1. Install php7.-curl, apache2 and libapache2-mod-php7.:

   sudo apt-get install php7.<version>-curl apache2 libapache2-mod-php7.<version>
   

2. Add extension to /etc/php/7.<version>/apache2/php.ini :

   extension=dbr.so
   

3. Get write permissions:

   sudo chgrp -R www-data /var/www/html/reader
   sudo chmod -R g+rw /var/www/html/reader
   

4. Start Apache:

   sudo service apache2 start
   #sudo service apache2 stop // if you want to stop Apache
   

5. Visit http://localhost/reader/index.php.

PHP on Nginx

1. Install Nginx and php7.-cgi:

   sudo apt-get install nginx php7.<version>-cgi
   

2. Enable PHP in configuration file:

   sudo vi /etc/nginx/sites-available/default
   
   # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
   
   location ~ \.php$ {
           include snippets/fastcgi-php.conf;
   
           # With php7.<version>-cgi alone:
           fastcgi_pass 127.0.0.1:9000;
           # With php7.<version>-fpm:
           #fastcgi_pass unix:/run/php/php7.<version>-fpm.sock;
   }
   

3. Get write permissions:

   sudo chgrp -R www-data /usr/share/nginx/html/reader
   sudo chmod -R g+rw /usr/share/nginx/html/reader
   

4. Run Nginx and php-cgi:

   sudo nginx
   # sudo nginx –s stop // if you want to stop Nginx
   sudo php-cgi -b 127.0.0.1:9000 -c /etc/php/7.<version>/cli/php.ini
   

5. Visit http://localhost/reader/index.php.

Blog

• Building Enterprise-class PHP Barcode Extension for Web Development