{}
    <br />
<b>Warning</b>:  Undefined variable $link in <b>/System/Volumes/Data/Web/12/jan.hellberg/Database/Practice/pet shop/list-all-pets.php</b> on line <b>4</b><br />
<br />
<b>Warning</b>:  Undefined variable $query in <b>/System/Volumes/Data/Web/12/jan.hellberg/Database/Practice/pet shop/list-all-pets.php</b> on line <b>4</b><br />
<br />
<b>Fatal error</b>:  Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /System/Volumes/Data/Web/12/jan.hellberg/Database/Practice/pet shop/list-all-pets.php:4
Stack trace:
#0 /System/Volumes/Data/Web/12/jan.hellberg/Database/Practice/pet shop/list-all-pets.php(4): mysqli_query(NULL, NULL)
#1 {main}
  thrown in <b>/System/Volumes/Data/Web/12/jan.hellberg/Database/Practice/pet shop/list-all-pets.php</b> on line <b>4</b><br />