Adding JSON-type heredoc corresponding with this usage: http://gist.github.com/430200

Author: cowboy

Syntaxes/PHP.plist

@@ -689,9 +689,9 @@
 			<array>
 				<dict>
 					<key>begin</key>
-					<string>(?=&lt;&lt;&lt;\s*(HTML|XML|SQL|JAVASCRIPT|CSS)\s*$)</string>
+					<string>(?=&lt;&lt;&lt;\s*(HTML|XML|SQL|JAVASCRIPT|JSON|CSS)\s*$)</string>
 					<key>end</key>
-					<string>(?!&lt;?&lt;&lt;\s*(HTML|XML|SQL|JAVASCRIPT|CSS)\s*$)</string>
+					<string>(?!&lt;?&lt;&lt;\s*(HTML|XML|SQL|JAVASCRIPT|JSON|CSS)\s*$)</string>
 					<key>name</key>
 					<string>string.unquoted.heredoc.php</string>
 					<key>patterns</key>
@@ -924,6 +924,63 @@
 								</dict>
 							</array>
 						</dict>
+						<dict>
+							<key>begin</key>
+							<string>(&lt;&lt;&lt;)\s*(JSON)\s*$\n?</string>
+							<key>beginCaptures</key>
+							<dict>
+								<key>0</key>
+								<dict>
+									<key>name</key>
+									<string>punctuation.section.embedded.begin.php</string>
+								</dict>
+								<key>1</key>
+								<dict>
+									<key>name</key>
+									<string>punctuation.definition.string.php</string>
+								</dict>
+								<key>2</key>
+								<dict>
+									<key>name</key>
+									<string>keyword.operator.heredoc.php</string>
+								</dict>
+							</dict>
+							<key>contentName</key>
+							<string>source.json</string>
+							<key>end</key>
+							<string>^(JSON)(;?)$\n?</string>
+							<key>endCaptures</key>
+							<dict>
+								<key>0</key>
+								<dict>
+									<key>name</key>
+									<string>punctuation.section.embedded.end.php</string>
+								</dict>
+								<key>1</key>
+								<dict>
+									<key>name</key>
+									<string>keyword.operator.heredoc.php</string>
+								</dict>
+								<key>2</key>
+								<dict>
+									<key>name</key>
+									<string>punctuation.definition.string.php</string>
+								</dict>
+							</dict>
+							<key>name</key>
+							<string>meta.embedded.json</string>
+							<key>patterns</key>
+							<array>
+								<dict>
+									<key>include</key>
+									<string>source.json</string>
+								</dict>
+								<dict>
+									<key>include</key>
+									<string>#interpolation</string>
+								</dict>
+							</array>
+						</dict>
 						<dict>
 							<key>begin</key>
 							<string>(&lt;&lt;&lt;)\s*(CSS)\s*$\n?</string>