Ticket #47824: 47824.2.diff

src/wp-includes/post-template.php

@@ -276 +276 @@
                 return '';
         }
 
-        if ( null === $post ) {
+        if ( null === $post && in_the_loop() ) {
                 $elements = compact( 'page', 'more', 'preview', 'pages', 'multipage' );
         } else {
                 $elements = generate_postdata( $_post );

tests/phpunit/tests/post/getTheContent.php

@@ -75 +75 @@
 
                 $this->assertSame( 'Bang', $found );
         }
+
+        /**
+         * @ticket 47824
+         */
+        public function test_should_fall_back_to_post_global_outside_of_the_loop() {
+                $GLOBALS['post'] = self::factory()->post->create( array( 'post_content' => 'Foo' ) );
+
+                $this->assertSame( 'Foo', get_the_content() );
+        }
 }