Issues that came up during review fixed

Author: lloc

includes/MslsJson.php

@@ -52,7 +52,7 @@ public static function compare( array $a, array $b ): int {
 	public function get(): array {
 		$arr = $this->arr;
 
-		usort( $arr, \Closure::fromCallable( array( __CLASS__, 'compare' ) ) );
+		usort( $arr, array( __CLASS__, 'compare' ) );
 
 		return $arr;
 	}

includes/MslsOptions.php

@@ -106,7 +106,7 @@ public static function create( $id = 0 ) {
 			$options = new MslsOptionsPost( get_queried_object_id() );
 		}
 
-		add_filter( self::MSLS_GET_POSTLINK_HOOK, \Closure::fromCallable( array( self::class, 'check_for_blog_slug' ) ), 10, 2 );
+		add_filter( self::MSLS_GET_POSTLINK_HOOK, array( self::class, 'check_for_blog_slug' ), 10, 2 );
 
 		return $options;
 	}

includes/MslsShortCode.php

@@ -5,7 +5,7 @@
 class MslsShortCode {
 
 	public static function init(): void {
-		add_shortcode( 'sc_msls_widget', \Closure::fromCallable( array( __CLASS__, 'render_widget' ) ) );
+		add_shortcode( 'sc_msls_widget', array( __CLASS__, 'render_widget' ) );
 		add_shortcode( 'sc_msls', 'msls_get_switcher' );
 	}
 

tests/phpunit/TestMslsShortCode.php

@@ -9,7 +9,7 @@
 final class TestMslsShortCode extends MslsUnitTestCase {
 
 	public function test_init(): void {
-		Functions\expect( 'add_shortcode' )->once()->with( 'sc_msls_widget', \Mockery::type( \Closure::class ) );
+		Functions\expect( 'add_shortcode' )->once()->with( 'sc_msls_widget', array( MslsShortCode::class, 'render_widget' ) );
 		Functions\expect( 'add_shortcode' )->once()->with( 'sc_msls', 'msls_get_switcher' );
 
 		$this->expectNotToPerformAssertions();