Size of array1 = 3
$array1[0] = 10
$array1[1] = 20
$array1[2] = 30


Fatal error: Uncaught Error: Call to undefined function seizeof() in /users/2021/i2151064/public_html/2022/WebProg/ch04/exam04-13.php:41 Stack trace: #0 {main} thrown in /users/2021/i2151064/public_html/2022/WebProg/ch04/exam04-13.php on line 41