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4 changes: 3 additions & 1 deletion spec.md
Original file line number Diff line number Diff line change
Expand Up @@ -990,7 +990,9 @@ $i++;
++$j;
```

Type casting operators MUST NOT have any space within the parentheses:
Type casting operators MUST NOT have any space within the parentheses and MUST be separated from the variable they are
operating on by exactly one space:

```php
$intValue = (int) $input;
```
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