php_ini_loaded_file : the path of php.ini file

echo php_ini_loaded_file()

Output is True or False and the path is returned if php.ini file is loaded.

$path = php_ini_loaded_file();

if ($path) {
    echo 'Path of  php.ini: ' . $path;
} else {
    echo 'No php.ini file is loaded';
}

Output is

Path of php.ini: C:\php\php.ini

You can get the path of php.ini by using php_info()
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