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Improve example code

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Matthew Brown 2020-03-20 19:19:24 -04:00
parent 51f92dd1e5
commit 33dc3a62be
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6
docs/running_psalm/issues/PossiblyUndefinedArrayOffset.md
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@ -18,13 +18,17 @@ echo $arr["b"];
You can use the null coalesce operator to provide a default value in the event the array offset doesn’t exist: You can use the null coalesce operator to provide a default value in the event the array offset doesn’t exist:
``` ```php
<?php
echo $arr["b"] ?? 0; echo $arr["b"] ?? 0;
``` ```
Alternatively, you can ensure that the array offset always exists: Alternatively, you can ensure that the array offset always exists:
```php ```php
<?php
if (rand(0, 1)) { if (rand(0, 1)) {
$arr = ["a" => 1, "b" => 2]; $arr = ["a" => 1, "b" => 2];
} else { } else {