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authorktunprasert <35368006+ktunprasert@users.noreply.github.com>2021-11-01 21:20:59 +0000
committerGitHub <noreply@github.com>2021-11-01 22:20:59 +0100
commitc465acbc3a150fa3c3f8350482075e7daec47ff7 (patch)
treeceafc401f4ca7b129dc7dffafc48e278cfb34664
parent8af43d446ec2afb9d5dbb4a978a976e682399a4d (diff)
[PHP/en] Nullsafe operator (#4248)
-rw-r--r--php.html.markdown6
1 files changed, 6 insertions, 0 deletions
diff --git a/php.html.markdown b/php.html.markdown
index 57ba29c4..821bde8f 100644
--- a/php.html.markdown
+++ b/php.html.markdown
@@ -591,6 +591,12 @@ echo $my_class->property; // => "public"
echo $my_class->instanceProp; // => "An instance property"
$my_class->myMethod(); // => "MyClass"
+// Nullsafe operators since PHP 8
+// You can use this when you're unsure if the abstraction of $my_class contains has a property/method
+// it can be used in conjunction with the nullish coalesce operator to ensure proper value
+echo $my_class->invalid_property // An error is thrown
+echo $my_class?->invalid_property // => NULL
+echo $my_class?->invalid_property ?? "public" // => "public"
// Extend classes using "extends"
class MyOtherClass extends MyClass