Index: src/wp-includes/class-oembed.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/wp-includes/class-oembed.php	(revision 44691)
+++ src/wp-includes/class-oembed.php	(date 1548278760000)
@@ -114,6 +114,9 @@
 			'#https?://www\.someecards\.com/.+-cards/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ),
 			'#https?://www\.someecards\.com/usercards/viewcard/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ),
 			'#https?://some\.ly\/.+#i'                     => array( 'https://www.someecards.com/v2/oembed/', true ),
+			'#https?://giphy\.com/gifs/.+#i'                => array( 'https://giphy.com/services/oembed', true ),
+			'#https?://gph\.is/.+#i'                        => array( 'https://giphy.com/services/oembed', true ),
+			'#https?://media\.giphy\.com/media/.*/giphy\.gif.*#i' => array( 'https://giphy.com/services/oembed', true ),
 		);
 
 		if ( ! empty( self::$early_providers['add'] ) ) {
@@ -197,6 +200,9 @@
 		 * | Crowdsignal  | survey.fm                                 |      Yes       | 5.1.0   |
 		 * | Instagram TV | instagram.com                             |      Yes       | 5.1.0   |
 		 * | Instagram TV | instagr.am                                |      Yes       | 5.1.0   |
+		 * | Giphy        | giphy.com                                 |      Yes       | 5.1.0   |
+		 * | Giphy        | gph.is                                    |      Yes       | 5.1.0   |
+		 * | Giphy        | media.giphy.com/media                     |      Yes       | 5.1.0   |
 		 *
 		 * No longer supported providers:
 		 *