Type declaration ‘%s’ must be unqualified¶
Description¶
Scalar types are absolute, and shall not be written with the initial \
. It is always omitted.
This error is reported for string
, int
, bool
, iterable
, never
, void
, object
, float
, null
, mixed
, true
, false
.
For some reason, array
and callable
are still not reported with this error. resource
is also ignored, although it is only reserved, and not supported anyway.
Example¶
<?php
function foo(\string $x) {}
?>
Literal Examples¶
Type declaration ‘array’ must be unqualified
Type declaration ‘string’ must be unqualified
Type declaration ‘int’ must be unqualified
Type declaration ‘null’ must be unqualified
Solutions¶
Remove the leading backslash.
Remove the whole type.
Use a class type, which supports the leading backaslash.