How to cooperate with php and golang

A scenario I encountered recently at work was that a third-party function needed to be used in the PHP project, and there happened to be a class library written in Golang. So the question becomes, how to achieve communication between different languages? Let’s take a look below.

Conventional solution (Recommended learning: PHP video tutorial)

1. Use Golang writes an http/TCP service, and php communicates with Golang through http/TCP

2. Golang is encapsulated as a php extension.

3. PHP calls the Golang executable file through system commands

Existing problems

1. HTTP requests and network I/O will consume a lot of time

2. A large amount of code needs to be encapsulated

3. Every time PHP calls a Golang program, it needs One initialization consumes a lot of time

Optimization goals

1. The Golang program is only initialized once (because initialization is time-consuming)

2. All requests do not need to go through the network

3. Try not to modify the code a lot

Solution

1. Simple Golang encapsulation, compile the third-party class library into an executable file

2. PHP and Golang communicate through a two-way pipeline

Advantages of using two-way pipeline communication

1: Only minimal encapsulation of the original Golang class library is required

2: Best performance (IPC communication is the best way to communicate between processes)

3: No need to make network requests, saving a lot of time

4: The program only needs to be initialized once, and Always kept in memory

Specific implementation steps

1: Original call demo in the class library

package main
import (
 "fmt"
 "github.com/yanyiwu/gojieba"
 "strings"
)
 
func main() {
 x := gojieba.NewJieba()
 defer x.Free()
 
 s := "小明硕士毕业于中国科学院计算所，后在日本京都大学深造"
 words := x.CutForSearch(s, true)
 fmt.Println(strings.Join(words, "/"))
}

Save the file as main .go, you can run

2: The adjusted code is:

package main
import (
 "bufio"
 "fmt"
 "github.com/yanyiwu/gojieba"
 "io"
 "os"
 "strings"
)
 
func main() {
 
 x := gojieba.NewJieba(
  "/data/tmp/jiebaDict/jieba.dict.utf8", 
  "/data/tmp/jiebaDict/hmm_model.utf8", 
  "/data/tmp/jiebaDict/user.dict.utf8"
 )
 defer x.Free()
 
 inputReader := bufio.NewReader(os.Stdin)
 for {
  s, err := inputReader.ReadString('\n')
  if err != nil && err == io.EOF {
   break
  }
  s = strings.TrimSpace(s)
 
  if s != "" {
   words := x.CutForSearch(s, true)
   fmt.Println(strings.Join(words, " "))
  } else {
   fmt.Println("get empty \n")
  }
 }
}

It only takes a few simple adjustments to achieve: receiving a string from the standard input , after word segmentation, output

Test:

# go build test
# ./test
# //等待用户输入，输入”这是一个测试“
# 这是 一个 测试 //程序

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