Using js to call php content in HTML_PHP tutorial

We often see that the statistical codes of many websites are displayed in the form of js calls. Let’s take a look at how to implement them.

2. $countfile = "num.txt";//The file to define the counter is count.txt in the current directory, Then we should test whether the file can be opened
3. if (($fp = fopen($countfile, "r ")) == false) { //Open the file in read-write mode, exit if it cannot be opened
4. printf ("Failed to open file %s!",$countfile);
5. exit;
6. }else{
7. $count = fread ($ fp,10); //If the file can be opened normally, read the data in the file, assuming it is 1
8. $count = $count 1; //Read 10-bit data
9. fclose ($fp);//Close the current file
10. $fp = fopen($countfile, "w ");//Open the file in overwrite mode
11. fwrite ($fp,$count) ;//Write the new data after adding 1
12. ​​​ fclose ($fp);//And close the file
13. ​​​ Echo document.write(".$count.")n;// Use javascript to output data
14. }
15. ?>
16. Call the js method in the html file.
18. Hello, you are the No.
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TechArticleWe often see that the statistical codes of many websites are displayed in the form of js calls. Let’s do it below Let’s see how that works out. ?PHP $countfile = "num.txt";//Define counter write...