Merge pull request #76 from Yoast/stories/no-short-array-php-5-2

Do not use short array syntax

inc/configuration/class-yoast-acf-analysis-string-store.php

@@ -47,7 +47,7 @@ public function remove( $item ) {
 		}
 		$this->items = array_values(
 			array_diff(
-				$this->items, [ $item ]
+				$this->items, array( $item )
 			)
 		);
 		sort( $this->items );