diff --git a/components/prism-php.js b/components/prism-php.js
index 37c1325402..52293f128e 100644
--- a/components/prism-php.js
+++ b/components/prism-php.js
@@ -34,7 +34,7 @@
 			}
 		},
 		'class-name-definition': {
-			pattern: /(\b(?:class|interface|trait)\s+)\b[a-z_]\w*(?!\\)\b/i,
+			pattern: /(\b(?:class|enum|interface|trait)\s+)\b[a-z_]\w*(?!\\)\b/i,
 			lookbehind: true,
 			alias: 'class-name'
 		},
@@ -85,7 +85,7 @@
 				alias: 'static-context',
 				greedy: true
 			},
-			/\b(?:__halt_compiler|abstract|and|array|as|break|callable|case|catch|class|clone|const|continue|declare|default|die|do|echo|else|elseif|empty|enddeclare|endfor|endforeach|endif|endswitch|endwhile|eval|exit|extends|final|finally|for|foreach|function|global|goto|if|implements|include|include_once|instanceof|insteadof|interface|isset|list|namespace|match|new|or|parent|print|private|protected|public|require|require_once|return|self|static|switch|throw|trait|try|unset|use|var|while|xor|yield)\b/i
+			/\b(?:__halt_compiler|abstract|and|array|as|break|callable|case|catch|class|clone|const|continue|declare|default|die|do|echo|else|elseif|empty|enddeclare|endfor|endforeach|endif|endswitch|endwhile|enum|eval|exit|extends|final|finally|for|foreach|function|global|goto|if|implements|include|include_once|instanceof|insteadof|interface|isset|list|namespace|match|new|or|parent|print|private|protected|public|require|require_once|return|self|static|switch|throw|trait|try|unset|use|var|while|xor|yield)\b/i
 		],
 		'argument-name': /\b[a-z_]\w*(?=\s*:(?!:))/i,
 		'class-name': [
diff --git a/components/prism-php.min.js b/components/prism-php.min.js
index 4df681f881..bf06e87dbc 100644
--- a/components/prism-php.min.js
+++ b/components/prism-php.min.js
@@ -1 +1 @@
-!function(a){var e=/\/\*[\s\S]*?\*\/|\/\/.*|#(?!\[).*/,t=[{pattern:/\b(?:false|true)\b/i,alias:"boolean"},/\b[A-Z_][A-Z0-9_]*\b(?!\s*\()/,/\b(?:null)\b/i],i=/\b0b[01]+(?:_[01]+)*\b|\b0o[0-7]+(?:_[0-7]+)*\b|\b0x[\da-f]+(?:_[\da-f]+)*\b|(?:\b\d+(?:_\d+)*\.?(?:\d+(?:_\d+)*)?|\B\.\d+)(?:e[+-]?\d+)?/i,n=/<?=>|\?\?=?|\.{3}|\??->|[!=]=?=?|::|\*\*=?|--|\+\+|&&|\|\||<<|>>|[?~]|[/^|%*&<>.+-]=?/,s=/[{}\[\](),:;]/;a.languages.php={delimiter:{pattern:/\?>$|^<\?(?:php(?=\s)|=)?/i,alias:"important"},comment:e,variable:/\$+(?:\w+\b|(?={))/i,package:{pattern:/(namespace\s+|use\s+(?:function\s+)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,lookbehind:!0,inside:{punctuation:/\\/}},"class-name-definition":{pattern:/(\b(?:class|interface|trait)\s+)\b[a-z_]\w*(?!\\)\b/i,lookbehind:!0,alias:"class-name"},keyword:[{pattern:/(\(\s*)\b(?:bool|boolean|int|integer|float|string|object|array)\b(?=\s*\))/i,alias:"type-casting",greedy:!0,lookbehind:!0},{pattern:/([(,?]\s*)\b(?:bool|int|float|string|object|array(?!\s*\()|mixed|self|static|callable|iterable|(?:null|false)(?=\s*\|))\b(?=\s*\$)/i,alias:"type-hint",greedy:!0,lookbehind:!0},{pattern:/([(,?]\s*[a-z0-9_|]\|\s*)(?:null|false)\b(?=\s*\$)/i,alias:"type-hint",greedy:!0,lookbehind:!0},{pattern:/(\)\s*:\s*(?:\?\s*)?)\b(?:bool|int|float|string|object|void|array(?!\s*\()|mixed|self|static|callable|iterable|(?:null|false)(?=\s*\|))\b/i,alias:"return-type",greedy:!0,lookbehind:!0},{pattern:/(\)\s*:\s*(?:\?\s*)?[a-z0-9_|]\|\s*)(?:null|false)\b/i,alias:"return-type",greedy:!0,lookbehind:!0},{pattern:/\b(?:bool|int|float|string|object|void|array(?!\s*\()|mixed|iterable|(?:null|false)(?=\s*\|))\b/i,alias:"type-declaration",greedy:!0},{pattern:/(\|\s*)(?:null|false)\b/i,alias:"type-declaration",greedy:!0,lookbehind:!0},{pattern:/\b(?:parent|self|static)(?=\s*::)/i,alias:"static-context",greedy:!0},/\b(?:__halt_compiler|abstract|and|array|as|break|callable|case|catch|class|clone|const|continue|declare|default|die|do|echo|else|elseif|empty|enddeclare|endfor|endforeach|endif|endswitch|endwhile|eval|exit|extends|final|finally|for|foreach|function|global|goto|if|implements|include|include_once|instanceof|insteadof|interface|isset|list|namespace|match|new|or|parent|print|private|protected|public|require|require_once|return|self|static|switch|throw|trait|try|unset|use|var|while|xor|yield)\b/i],"argument-name":/\b[a-z_]\w*(?=\s*:(?!:))/i,"class-name":[{pattern:/(\b(?:extends|implements|instanceof|new(?!\s+self|\s+static))\s+|\bcatch\s*\()\b[a-z_]\w*(?!\\)\b/i,greedy:!0,lookbehind:!0},{pattern:/(\|\s*)\b[a-z_]\w*(?!\\)\b/i,greedy:!0,lookbehind:!0},{pattern:/\b[a-z_]\w*(?!\\)\b(?=\s*\|)/i,greedy:!0},{pattern:/(\|\s*)(?:\\?\b[a-z_]\w*)+\b/i,alias:"class-name-fully-qualified",greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}},{pattern:/(?:\\?\b[a-z_]\w*)+\b(?=\s*\|)/i,alias:"class-name-fully-qualified",greedy:!0,inside:{punctuation:/\\/}},{pattern:/(\b(?:extends|implements|instanceof|new(?!\s+self\b|\s+static\b))\s+|\bcatch\s*\()(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,alias:"class-name-fully-qualified",greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}},{pattern:/\b[a-z_]\w*(?=\s*\$)/i,alias:"type-declaration",greedy:!0},{pattern:/(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,alias:["class-name-fully-qualified","type-declaration"],greedy:!0,inside:{punctuation:/\\/}},{pattern:/\b[a-z_]\w*(?=\s*::)/i,alias:"static-context",greedy:!0},{pattern:/(?:\\?\b[a-z_]\w*)+(?=\s*::)/i,alias:["class-name-fully-qualified","static-context"],greedy:!0,inside:{punctuation:/\\/}},{pattern:/([(,?]\s*)[a-z_]\w*(?=\s*\$)/i,alias:"type-hint",greedy:!0,lookbehind:!0},{pattern:/([(,?]\s*)(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,alias:["class-name-fully-qualified","type-hint"],greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}},{pattern:/(\)\s*:\s*(?:\?\s*)?)\b[a-z_]\w*(?!\\)\b/i,alias:"return-type",greedy:!0,lookbehind:!0},{pattern:/(\)\s*:\s*(?:\?\s*)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,alias:["class-name-fully-qualified","return-type"],greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}}],constant:t,function:/\w+\s*(?=\()/,property:{pattern:/(->)[\w]+/,lookbehind:!0},number:i,operator:n,punctuation:s};var l={pattern:/{\$(?:{(?:{[^{}]+}|[^{}]+)}|[^{}])+}|(^|[^\\{])\$+(?:\w+(?:\[[^\r\n\[\]]+\]|->\w+)*)/,lookbehind:!0,inside:a.languages.php},r=[{pattern:/<<<'([^']+)'[\r\n](?:.*[\r\n])*?\1;/,alias:"nowdoc-string",greedy:!0,inside:{delimiter:{pattern:/^<<<'[^']+'|[a-z_]\w*;$/i,alias:"symbol",inside:{punctuation:/^<<<'?|[';]$/}}}},{pattern:/<<<(?:"([^"]+)"[\r\n](?:.*[\r\n])*?\1;|([a-z_]\w*)[\r\n](?:.*[\r\n])*?\2;)/i,alias:"heredoc-string",greedy:!0,inside:{delimiter:{pattern:/^<<<(?:"[^"]+"|[a-z_]\w*)|[a-z_]\w*;$/i,alias:"symbol",inside:{punctuation:/^<<<"?|[";]$/}},interpolation:l}},{pattern:/`(?:\\[\s\S]|[^\\`])*`/,alias:"backtick-quoted-string",greedy:!0},{pattern:/'(?:\\[\s\S]|[^\\'])*'/,alias:"single-quoted-string",greedy:!0},{pattern:/"(?:\\[\s\S]|[^\\"])*"/,alias:"double-quoted-string",greedy:!0,inside:{interpolation:l}}];a.languages.insertBefore("php","variable",{string:r}),a.languages.insertBefore("php","variable",{attribute:{pattern:/#\[(?:[^"'\/#]|\/(?![*/])|\/\/.*$|#(?!\[).*$|\/\*(?:[^*]|\*(?!\/))*\*\/|"(?:\\[\s\S]|[^\\"])*"|'(?:\\[\s\S]|[^\\'])*')+\](?=\s*[a-z$#])/im,greedy:!0,inside:{"attribute-content":{pattern:/^(#\[)[\s\S]+(?=]$)/,lookbehind:!0,inside:{comment:e,string:r,"attribute-class-name":[{pattern:/([^:]|^)\b[a-z_]\w*(?!\\)\b/i,alias:"class-name",greedy:!0,lookbehind:!0},{pattern:/([^:]|^)(?:\\?\b[a-z_]\w*)+/i,alias:["class-name","class-name-fully-qualified"],greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}}],constant:t,number:i,operator:n,punctuation:s}},delimiter:{pattern:/^#\[|]$/,alias:"punctuation"}}}}),a.hooks.add("before-tokenize",function(e){if(/<\?/.test(e.code)){a.languages["markup-templating"].buildPlaceholders(e,"php",/<\?(?:[^"'/#]|\/(?![*/])|("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|(?:\/\/|#(?!\[))(?:[^?\n\r]|\?(?!>))*(?=$|\?>|[\r\n])|#\[|\/\*(?:[^*]|\*(?!\/))*(?:\*\/|$))*?(?:\?>|$)/gi)}}),a.hooks.add("after-tokenize",function(e){a.languages["markup-templating"].tokenizePlaceholders(e,"php")})}(Prism);
\ No newline at end of file
+!function(a){var e=/\/\*[\s\S]*?\*\/|\/\/.*|#(?!\[).*/,t=[{pattern:/\b(?:false|true)\b/i,alias:"boolean"},/\b[A-Z_][A-Z0-9_]*\b(?!\s*\()/,/\b(?:null)\b/i],i=/\b0b[01]+(?:_[01]+)*\b|\b0o[0-7]+(?:_[0-7]+)*\b|\b0x[\da-f]+(?:_[\da-f]+)*\b|(?:\b\d+(?:_\d+)*\.?(?:\d+(?:_\d+)*)?|\B\.\d+)(?:e[+-]?\d+)?/i,n=/<?=>|\?\?=?|\.{3}|\??->|[!=]=?=?|::|\*\*=?|--|\+\+|&&|\|\||<<|>>|[?~]|[/^|%*&<>.+-]=?/,s=/[{}\[\](),:;]/;a.languages.php={delimiter:{pattern:/\?>$|^<\?(?:php(?=\s)|=)?/i,alias:"important"},comment:e,variable:/\$+(?:\w+\b|(?={))/i,package:{pattern:/(namespace\s+|use\s+(?:function\s+)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,lookbehind:!0,inside:{punctuation:/\\/}},"class-name-definition":{pattern:/(\b(?:class|enum|interface|trait)\s+)\b[a-z_]\w*(?!\\)\b/i,lookbehind:!0,alias:"class-name"},keyword:[{pattern:/(\(\s*)\b(?:bool|boolean|int|integer|float|string|object|array)\b(?=\s*\))/i,alias:"type-casting",greedy:!0,lookbehind:!0},{pattern:/([(,?]\s*)\b(?:bool|int|float|string|object|array(?!\s*\()|mixed|self|static|callable|iterable|(?:null|false)(?=\s*\|))\b(?=\s*\$)/i,alias:"type-hint",greedy:!0,lookbehind:!0},{pattern:/([(,?]\s*[a-z0-9_|]\|\s*)(?:null|false)\b(?=\s*\$)/i,alias:"type-hint",greedy:!0,lookbehind:!0},{pattern:/(\)\s*:\s*(?:\?\s*)?)\b(?:bool|int|float|string|object|void|array(?!\s*\()|mixed|self|static|callable|iterable|(?:null|false)(?=\s*\|))\b/i,alias:"return-type",greedy:!0,lookbehind:!0},{pattern:/(\)\s*:\s*(?:\?\s*)?[a-z0-9_|]\|\s*)(?:null|false)\b/i,alias:"return-type",greedy:!0,lookbehind:!0},{pattern:/\b(?:bool|int|float|string|object|void|array(?!\s*\()|mixed|iterable|(?:null|false)(?=\s*\|))\b/i,alias:"type-declaration",greedy:!0},{pattern:/(\|\s*)(?:null|false)\b/i,alias:"type-declaration",greedy:!0,lookbehind:!0},{pattern:/\b(?:parent|self|static)(?=\s*::)/i,alias:"static-context",greedy:!0},/\b(?:__halt_compiler|abstract|and|array|as|break|callable|case|catch|class|clone|const|continue|declare|default|die|do|echo|else|elseif|empty|enddeclare|endfor|endforeach|endif|endswitch|endwhile|enum|eval|exit|extends|final|finally|for|foreach|function|global|goto|if|implements|include|include_once|instanceof|insteadof|interface|isset|list|namespace|match|new|or|parent|print|private|protected|public|require|require_once|return|self|static|switch|throw|trait|try|unset|use|var|while|xor|yield)\b/i],"argument-name":/\b[a-z_]\w*(?=\s*:(?!:))/i,"class-name":[{pattern:/(\b(?:extends|implements|instanceof|new(?!\s+self|\s+static))\s+|\bcatch\s*\()\b[a-z_]\w*(?!\\)\b/i,greedy:!0,lookbehind:!0},{pattern:/(\|\s*)\b[a-z_]\w*(?!\\)\b/i,greedy:!0,lookbehind:!0},{pattern:/\b[a-z_]\w*(?!\\)\b(?=\s*\|)/i,greedy:!0},{pattern:/(\|\s*)(?:\\?\b[a-z_]\w*)+\b/i,alias:"class-name-fully-qualified",greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}},{pattern:/(?:\\?\b[a-z_]\w*)+\b(?=\s*\|)/i,alias:"class-name-fully-qualified",greedy:!0,inside:{punctuation:/\\/}},{pattern:/(\b(?:extends|implements|instanceof|new(?!\s+self\b|\s+static\b))\s+|\bcatch\s*\()(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,alias:"class-name-fully-qualified",greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}},{pattern:/\b[a-z_]\w*(?=\s*\$)/i,alias:"type-declaration",greedy:!0},{pattern:/(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,alias:["class-name-fully-qualified","type-declaration"],greedy:!0,inside:{punctuation:/\\/}},{pattern:/\b[a-z_]\w*(?=\s*::)/i,alias:"static-context",greedy:!0},{pattern:/(?:\\?\b[a-z_]\w*)+(?=\s*::)/i,alias:["class-name-fully-qualified","static-context"],greedy:!0,inside:{punctuation:/\\/}},{pattern:/([(,?]\s*)[a-z_]\w*(?=\s*\$)/i,alias:"type-hint",greedy:!0,lookbehind:!0},{pattern:/([(,?]\s*)(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,alias:["class-name-fully-qualified","type-hint"],greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}},{pattern:/(\)\s*:\s*(?:\?\s*)?)\b[a-z_]\w*(?!\\)\b/i,alias:"return-type",greedy:!0,lookbehind:!0},{pattern:/(\)\s*:\s*(?:\?\s*)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,alias:["class-name-fully-qualified","return-type"],greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}}],constant:t,function:/\w+\s*(?=\()/,property:{pattern:/(->)[\w]+/,lookbehind:!0},number:i,operator:n,punctuation:s};var l={pattern:/{\$(?:{(?:{[^{}]+}|[^{}]+)}|[^{}])+}|(^|[^\\{])\$+(?:\w+(?:\[[^\r\n\[\]]+\]|->\w+)*)/,lookbehind:!0,inside:a.languages.php},r=[{pattern:/<<<'([^']+)'[\r\n](?:.*[\r\n])*?\1;/,alias:"nowdoc-string",greedy:!0,inside:{delimiter:{pattern:/^<<<'[^']+'|[a-z_]\w*;$/i,alias:"symbol",inside:{punctuation:/^<<<'?|[';]$/}}}},{pattern:/<<<(?:"([^"]+)"[\r\n](?:.*[\r\n])*?\1;|([a-z_]\w*)[\r\n](?:.*[\r\n])*?\2;)/i,alias:"heredoc-string",greedy:!0,inside:{delimiter:{pattern:/^<<<(?:"[^"]+"|[a-z_]\w*)|[a-z_]\w*;$/i,alias:"symbol",inside:{punctuation:/^<<<"?|[";]$/}},interpolation:l}},{pattern:/`(?:\\[\s\S]|[^\\`])*`/,alias:"backtick-quoted-string",greedy:!0},{pattern:/'(?:\\[\s\S]|[^\\'])*'/,alias:"single-quoted-string",greedy:!0},{pattern:/"(?:\\[\s\S]|[^\\"])*"/,alias:"double-quoted-string",greedy:!0,inside:{interpolation:l}}];a.languages.insertBefore("php","variable",{string:r}),a.languages.insertBefore("php","variable",{attribute:{pattern:/#\[(?:[^"'\/#]|\/(?![*/])|\/\/.*$|#(?!\[).*$|\/\*(?:[^*]|\*(?!\/))*\*\/|"(?:\\[\s\S]|[^\\"])*"|'(?:\\[\s\S]|[^\\'])*')+\](?=\s*[a-z$#])/im,greedy:!0,inside:{"attribute-content":{pattern:/^(#\[)[\s\S]+(?=]$)/,lookbehind:!0,inside:{comment:e,string:r,"attribute-class-name":[{pattern:/([^:]|^)\b[a-z_]\w*(?!\\)\b/i,alias:"class-name",greedy:!0,lookbehind:!0},{pattern:/([^:]|^)(?:\\?\b[a-z_]\w*)+/i,alias:["class-name","class-name-fully-qualified"],greedy:!0,lookbehind:!0,inside:{punctuation:/\\/}}],constant:t,number:i,operator:n,punctuation:s}},delimiter:{pattern:/^#\[|]$/,alias:"punctuation"}}}}),a.hooks.add("before-tokenize",function(e){if(/<\?/.test(e.code)){a.languages["markup-templating"].buildPlaceholders(e,"php",/<\?(?:[^"'/#]|\/(?![*/])|("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|(?:\/\/|#(?!\[))(?:[^?\n\r]|\?(?!>))*(?=$|\?>|[\r\n])|#\[|\/\*(?:[^*]|\*(?!\/))*(?:\*\/|$))*?(?:\?>|$)/gi)}}),a.hooks.add("after-tokenize",function(e){a.languages["markup-templating"].tokenizePlaceholders(e,"php")})}(Prism);
\ No newline at end of file
diff --git a/tests/languages/php/class-name_feature.test b/tests/languages/php/class-name_feature.test
index bf3502ae6e..2755dc32d4 100644
--- a/tests/languages/php/class-name_feature.test
+++ b/tests/languages/php/class-name_feature.test
@@ -22,6 +22,8 @@ class Foo extends Bar implements Baz {}
 
 class Foo extends \Package\Bar implements App\Baz {}
 
+enum Foo implements Bar {}
+
 ----------------------------------------------------
 
 [
@@ -194,6 +196,13 @@ class Foo extends \Package\Bar implements App\Baz {}
 		"Baz"
 	]],
 	["punctuation", "{"],
+	["punctuation", "}"],
+
+	["keyword", "enum"],
+	["class-name-definition", "Foo"],
+	["keyword", "implements"],
+	["class-name", "Bar"],
+	["punctuation", "{"],
 	["punctuation", "}"]
 ]