UseDeclaration
Ensures USE blocks are declared correctly.
Scope
PSR2.Namespaces.UseDeclaration
Description
Each use declaration must contain only one namespace and must come after the first namespace declaration. There should be one blank line after the final use statement.
Usage
xml
<rule ref="PSR2.Namespaces.UseDeclaration"></rule>
Examples
Example 1
Valid: One use declaration per namespace.
php
use \Foo;
use \Bar;
Invalid: Multiple namespaces in a use declaration.
php
use \Foo, \Bar;
Example 2
Valid: Use statements come after first namespace.
php
namespace \Foo;
use \Bar;
Invalid: Namespace declared after use.
php
use \Bar;
namespace \Foo;
Example 3
Valid: A single blank line after the final use statement.
php
use \Foo;
use \Bar;
class Baz
{
}
Invalid: No blank line after the final use statement.
php
use \Foo;
use \Bar;
class Baz
{
}