php 8 22 3c 3f 3d 22

1// php8 class and construct
2class Point {
3  public function __construct(
4    public float $x = 0.0,
5    public float $y = 0.0,
6    public float $z = 0.0,
7  ) {}
8}
9
10

1pub   4096R/70D12172 2017-04-14 [expires: 2024-04-21]
2      Key fingerprint = 1729 F839 38DA 44E2 7BA0  F4D3 DBDB 3974 70D1 2172
3uid                  Sara Golemon <pollita@php.net>
4
5pub   rsa4096 2020-05-09 [SC] [expires: 2024-05-08]
6      BFDD D286 4282 4F81 18EF  7790 9B67 A5C1 2229 118F
7uid           [ultimate] Gabriel Caruso (Release Manager) <carusogabriel@php.net>
8sub   rsa4096 2020-05-09 [E] [expires: 2024-05-08]
9  

1// php8 is null or not
2$country = $session?->user?->getAddress()?->country;
3
4//-----------------------------
5// php7 below.
6$country =  null;
7
8if ($session !== null) {
9  $user = $session->user;
10
11  if ($user !== null) {
12    $address = $user->getAddress();
13  
14    if ($address !== null) {
15      $country = $address->country;
16    }
17  }
18}
19
20

1<?= is a shorthand for <?php echo $a; ?>