php write web page counter code

Source: Internet
Author: User
Keywords Network programming PHP tutorial
Tags code counter data directory echo file html network

<html>
<head>
<title> php tutorial to write the page counter code </ title>
<head>
<body>

<? php
$ countfile = "counter.txt";
// Define the counter to write the file is the counter.txt file 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 not open
printf ("open file% s failed!", $ countfile);
exit
}
else
{
// If the file can be opened normally, read the data in the file, it is assumed to be 1
$ count = fread ($ fp, 10);
// Read 10-bit data
$ count = $ count + 1;
// count ++
fclose ($ fp);
// Close the current file
$ fp = fopen ($ countfile, "w +");
// Open the file in overwrite mode
fwrite ($ fp, $ count);
// write new data after adding 1
fputs ($ fp, $ fg);
// Display the count result
// Digital Display
echo "<div align = center> <font size = 5> count: $ count </ font> <br>";

// graphics mode count
$ fp = fopen ($ countfile, "r"); // Open the file in read-only mode
$ array_count = 1; / / Define a variable that represents the position of the array element, the following use
while (! feof ($ fp)) {
$ current_number = fgetc ($ fp);
$ counter_array [$ array_count] = $ current_number;
$ array_elements = count ($ counter_array);
$ array_count = $ array_count + 1;
}
echo "<div align = center> <font size = 5> count:";
for ($ array_id = 1; $ array_id <$ array_elements; ++ $ array_id) {
echo "<img src = countimg /". $ counter_array [$ array_id]. ". gif>";
}
echo "</ font>";

fclose ($ fp);
// And close the file
}
?>

</ body>
</ html>

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.