php send to printer

PHP How to print the page and determine if the print is successful (printer), I use Window.print ()! But this function does not return a value Can't tell if the print is successful! I'm going to add a piece of data to the database after I've judged

Finance has a new boss. When he gave him a notebook and installed the HP1007 printer, the printer remained unchanged. This computer is an XP system and uses a built-in CD to install the driver, but the last reason is that the driver is

Using PHP to create images is a fairly easy thing to do. As long as you install some Third-party library files and have some knowledge of geometry, you can use PHP to create and process images. PHP currently uses the GD library to process images.

Original address: https://phphub.org/topics/14301. Everything starts with Iterator and GeneratorTo make it easier for new start-up developers to understand, half of this article is about iterator interfaces (Iterator) and Generator classes, which

Php and java implement code through socket communication. The simple function implemented by the demo is to accept the strings written by the PHP end and return them to the output end as they are. The code is as follows: Copy the code as follows:

Follow the instructions in the PHP documentationA generator function looks like a normal function, unlike a normal function that returns a value, and a generator can yield many of the values it needs.When a generator is called, it returns an object

According to someone, cross-platform C ++ network programming ice is king. So I learned ice. Two years ago, ice was "a modern object-oriented middleware that can be used to replace middleware such as CORBA or COM/DCOM/COM +. While being easy to

The communication between PHP and java through socket is no different from the basic sockent programming. One read and one write are just for the convenience of writing in java and PHP. The communication between PHP and java through socket is no

The shopping mall system developed in php requires the ability to print delivery orders and express parcels in batches. How to implement this. The current method is to use the browser's built-in printing function to print the web page, display the

The shopping mall system developed in php requires the ability to print delivery orders and express parcels in batches. How to implement this. The current method is to use the browser's built-in printing function to print the web page, display the