Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, int given in /var/www/vhosts/fysiotherapiekoninginneweg.nl/httpdocs/scripts/specialisatie.php:18 Stack trace: #0 /var/www/vhosts/fysiotherapiekoninginneweg.nl/httpdocs/index.php(56): include() #1 {main} thrown in /var/www/vhosts/fysiotherapiekoninginneweg.nl/httpdocs/scripts/specialisatie.php on line 18