The counterUrl() function presented in this page can be used to make a
counter for the number of visits of your web site pages, with data (
URL of each accessed page, number of visits) stored into a text file on server, in JSON format.
- The function returns an array with:
['p'=>page_address, 'v'=>nr_visits]. For other details and usage, see the comments in code.
-
Click to select it.
/* PHP Script Counter Page Visits (PHP 5.4+) /from: https://coursesweb.net/
- Counter data is saved in JSON format into a text file on server
- Create a file on your server with the name added in $file_json, and permissions CHMOD 0755 (or 0777)
*/
// HERE add the path and Name of the file where to save the counter data
$file_json = 'count_url.json';
//function to get and save a Counter for accessed pages
//receives the page address, and the address of the file where to save data (in json format)
//returns array with: ['p':page_address, 'v':nr_visits]
function counterUrl($p, $f){
$url_c = ['p'=>$p, 'v'=>0]; //counter of current accessed page
//if $file_json exists, gets is data into an array
$ar_c = file_exists($f) ? json_decode(file_get_contents($f), true) :[];
//if array $ar_c, traverse it, checks if current $pg_url is saved and increments its counter
if(is_array($ar_c)){
$nr = count($ar_c);
for($i=0; $i<$nr; $i++){
if($ar_c[$i]['p'] == $url_c['p']) {
//store counter of current url, remove this item from array
$url_c['v'] = $ar_c[$i]['v'];
unset($ar_c[$i]);
$ar_c = array_values($ar_c);
break;
}
}
}
//increment counter and save data in json file (show error message if unable to save)
$url_c['v']++;
$ar_c[] = $url_c;
if(!file_put_contents($f, json_encode($ar_c))) echo 'Unable to save data in: '. $f;
return $url_c;
}
//Usage of the function, output the current page-address (without domain name) and number of visits
$url_c = counterUrl($_SERVER['REQUEST_URI'], $file_json);
echo 'Page: '. $url_c['p'] .' - Visits: '. $url_c['v'];
// Output: Page: /php-mysql/counter-page-visits_cs - Visits: 89
Daily Test with Code Example
HTML
CSS
JavaScript
PHP-MySQL
Which attribute is used in <img> tag for the address of the image?
href src rel<img src="http://coursesweb.net/imgs/webcourses.gif" width="191" height="63" alt="Courses-Web" />
Which CSS code hides the element on page?
display: none; display: inline; position: relative;#id {
display: none;
}
What instruction stops the execution of a while() or for() statement?
continue prompt() breakfor(var i = 0; i< 8; i++) {
if(i > 1) break;
alert(i);
}
Indicate the function that can create a constant.
define() include() defined()define("CONSTANT_NAME", "value");
echo CONSTANT_NAME;