Using js to call php content in HTML web pages_PHP tutorial

WBOY
Release: 2016-07-13 10:34:14
Original
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We often see that the statistical codes of many websites are displayed in the form of js calls. Let’s take a look at an example.

 $countfile = "num.txt";

//The file written by the definition counter is num.txt in the current directory, and then we should test whether the file can be opened

 if (($fp = fopen($countfile, "r+")) == false) { //Open the file in read-write mode, exit if it cannot be opened

printf ("Failed to open file %s!",$countfile);

exit;

 }

else

 {

//If the file can be opened normally, read the data in the file, assuming it is 1

 $count = fread ($fp,10);

//Read 10-bit data

 $count = $count + 1;

 fclose ($fp);

//Close the current file

 $fp = fopen($countfile, "w+");

//Open the file in overwrite mode

 fwrite ($fp,$count);

//Write new data plus 1

 fclose ($fp);

//And close the file

echo 'document.write("'.$count.'")';

//Output data in javascript form

 }

 ?>

Save the above content to FileCount.php, and create num.txt in the same directory.

In the html file, js calls the method.

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/752062.htmlTechArticleWe often see that the statistical codes of many websites are displayed in the form of js calls. Let’s do this below Let’s look at an example. $countfile = num.txt; //The file that defines the counter is written to...
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