PHP: Removed useless keyword tokens (#3121)

Author: RunDevelopment

components/prism-php.js

@@ -66,31 +66,19 @@
 				greedy: true,
 				lookbehind: true
 			},
-			{
-				pattern: /([(,?]\s*[\w|]\|\s*)(?:false|null)\b(?=\s*\$)/i,
-				alias: 'type-hint',
-				greedy: true,
-				lookbehind: true
-			},
 			{
 				pattern: /(\)\s*:\s*(?:\?\s*)?)\b(?:array(?!\s*\()|bool|callable|(?:false|null)(?=\s*\|)|float|int|iterable|mixed|object|self|static|string|void)\b/i,
 				alias: 'return-type',
 				greedy: true,
 				lookbehind: true
 			},
 			{
-				pattern: /(\)\s*:\s*(?:\?\s*)?[\w|]\|\s*)(?:false|null)\b/i,
-				alias: 'return-type',
-				greedy: true,
-				lookbehind: true
-			},
-			{
-				pattern: /\b(?:array(?!\s*\()|bool|(?:false|null)(?=\s*\|)|float|int|iterable|mixed|object|string|void)\b/i,
+				pattern: /\b(?:array(?!\s*\()|bool|float|int|iterable|mixed|object|string|void)\b/i,
 				alias: 'type-declaration',
 				greedy: true
 			},
 			{
-				pattern: /(\|\s*)(?:false|null)\b/i,
+				pattern: /(\|\s*)(?:false|null)\b|\b(?:false|null)(?=\s*\|)/i,
 				alias: 'type-declaration',
 				greedy: true,
 				lookbehind: true

components/prism-php.min.js

@@ -16,6 +16,9 @@ function f($variable): ?Foo {}
 
 function f(Foo|Bar $variable): Foo|Bar {}
 
+function f(Foo|false $variable): Foo|Bar {}
+function f(Foo|null $variable): Foo|Bar {}
+
 function f(\Package\Foo|\Package\Bar $variable): \Package\Foo|\Package\Bar {}
 
 class Foo extends Bar implements Baz {}
@@ -134,6 +137,36 @@ class Foo extends \Package\Bar implements App\Baz {}
 	["punctuation", "{"],
 	["punctuation", "}"],
 
+	["keyword", "function"],
+	["function-definition", "f"],
+	["punctuation", "("],
+	["class-name", "Foo"],
+	["operator", "|"],
+	["keyword", "false"],
+	["variable", "$variable"],
+	["punctuation", ")"],
+	["punctuation", ":"],
+	["class-name", "Foo"],
+	["operator", "|"],
+	["class-name", "Bar"],
+	["punctuation", "{"],
+	["punctuation", "}"],
+
+	["keyword", "function"],
+	["function-definition", "f"],
+	["punctuation", "("],
+	["class-name", "Foo"],
+	["operator", "|"],
+	["keyword", "null"],
+	["variable", "$variable"],
+	["punctuation", ")"],
+	["punctuation", ":"],
+	["class-name", "Foo"],
+	["operator", "|"],
+	["class-name", "Bar"],
+	["punctuation", "{"],
+	["punctuation", "}"],
+
 	["keyword", "function"],
 	["function-definition", "f"],
 	["punctuation", "("],