代码嵌入测试

<?php echo "hello world";?>

#include<stdio.h>
int main(){
    printf("hello world");
    return 0;
}

public class HelloWorld {
	public static void main(String[] args) {
		System.out.println("Hello World!");
	}
}

package main

import (
 "fmt"
)

func main() {
 fmt.Println("Hello World")
}

print("hello world")

测试黑幕