How can a visitor counter be implemented on a website using PHP?

To implement a visitor counter on a website using PHP, you can store the visitor count in a text file or database and increment it each time a user visits the website. You can then display the visitor count on the website to show the total number of visitors. 

// Check if the text file exists, if not create it and set the initial count to 0
$filename = 'visitor_count.txt';
if (!file_exists($filename)) {
    file_put_contents($filename, '0');
}

// Read the current count from the text file
$visitorCount = file_get_contents($filename);

// Increment the count by 1
$visitorCount++;

// Write the updated count back to the text file
file_put_contents($filename, $visitorCount);

// Display the visitor count on the website
echo 'Total visitors: ' . $visitorCount;

Keywords

visitor counter website PHP implementation functions

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