diff --git a/package.json b/package.json
index bb2c4c42e..61b649888 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   ],
   "dependencies": {
     "linguist-languages": "^8.0.0",
-    "php-parser": "^3.2.5"
+    "php-parser": "^3.4.0"
   },
   "devDependencies": {
     "@babel/preset-env": "^7.27.2",
diff --git a/src/options.mjs b/src/options.mjs
index e7444d804..e650f85ad 100644
--- a/src/options.mjs
+++ b/src/options.mjs
@@ -7,7 +7,7 @@ const CATEGORY_PHP = "PHP";
 const SUPPORTED_PHP_VERSIONS = [
   5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6,
   7.0, 7.1, 7.2, 7.3, 7.4,
-  8.0, 8.1, 8.2, 8.3, 8.4,
+  8.0, 8.1, 8.2, 8.3, 8.4, 8.5,
 ];
 
 export const LATEST_SUPPORTED_PHP_VERSION = Math.max(...SUPPORTED_PHP_VERSIONS);
diff --git a/src/printer.mjs b/src/printer.mjs
index c3cf11cd0..67f987c2f 100644
--- a/src/printer.mjs
+++ b/src/printer.mjs
@@ -1219,7 +1219,7 @@ function printClass(path, options, print) {
     declaration.push("abstract ");
   }
 
-  if (node.isReadonly) {
+  if (node.isReadonly && !isAnonymousClass) {
     declaration.push("readonly ");
   }
 
@@ -2094,7 +2094,7 @@ function printNode(path, options, print) {
             () => printAttrs(path, options, print, { inline: true }),
             "what"
           ),
-          "class",
+          node.what.isReadonly ? "readonly class" : "class",
           node.arguments.length > 0
             ? [" ", printArgumentsList(path, options, print)]
             : "",
diff --git a/src/util.mjs b/src/util.mjs
index b4bf9e473..41a415534 100644
--- a/src/util.mjs
+++ b/src/util.mjs
@@ -41,6 +41,7 @@ const PRECEDENCE = new Map(
       "<<=",
       ">>=",
     ],
+    ["|>"],
     ["??"],
     ["||"],
     ["&&"],
diff --git a/tests/pipe/jsfmt.spec.mjs b/tests/pipe/jsfmt.spec.mjs
new file mode 100644
index 000000000..49eaa5ec8
--- /dev/null
+++ b/tests/pipe/jsfmt.spec.mjs
@@ -0,0 +1 @@
+run_spec(import.meta, ["php"], { phpVersion: "8.5" });
diff --git a/tests/pipe/pipe.php b/tests/pipe/pipe.php
new file mode 100644
index 000000000..d96ddbddd
--- /dev/null
+++ b/tests/pipe/pipe.php
@@ -0,0 +1,17 @@
+<?php
+
+$result = "Hello, World!" |> strtoupper(...);
+$result = "Hello, World!" |> strtoupper(...) |> trim(...);
+$result = "Hello, World!" |> strtoupper(...) |> trim(...) |> htmlspecialchars(...);
+
+return $value |> transform(...);
+echo $value |> format(...);
+
+if ($x |> validate(...)) {}
+
+$result = $value |> fn1(...) ?? $fallback;
+$result = $value ?? $fallback |> fn1(...);
+
+foo($value |> transform(...), $other);
+
+$veryLongVariableName |> someVeryLongFunctionName(...) |> anotherVeryLongFunctionName(...);
diff --git a/tests/readonly-class/anonymous.php b/tests/readonly-class/anonymous.php
new file mode 100644
index 000000000..1dc0bd302
--- /dev/null
+++ b/tests/readonly-class/anonymous.php
@@ -0,0 +1,21 @@
+<?php
+
+new readonly class() {};
+new readonly class {};
+new readonly class($one, $two, $three) {};
+
+$class = new readonly class {};
+$class = new readonly class() {};
+$class = new readonly class { public int $x = 0; };
+$class = new readonly class implements MyInterface {};
+$class = new readonly class implements MyInterface, MyOtherInterface {};
+$class = new readonly class extends MyParent {};
+$class = new readonly class extends MyParent implements MyInterface {};
+$class = new readonly class extends MyParent implements MyInterface, MyOtherInterface {};
+
+$class = new readonly class implements VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyOtherClass {};
+$class = new readonly class extends VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyClass {};
+$class = new readonly class extends VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyClass implements MyI, MyII, MyIII {};
+
+$class = new readonly class($one, $two) implements MyInterface {};
+$class = new readonly class($one, $two) extends MyParent implements MyInterface {};
diff --git a/tests/readonly-class/jsfmt.spec.mjs b/tests/readonly-class/jsfmt.spec.mjs
new file mode 100644
index 000000000..074ded787
--- /dev/null
+++ b/tests/readonly-class/jsfmt.spec.mjs
@@ -0,0 +1 @@
+run_spec(import.meta, ["php"], { phpVersion: "8.4" });
diff --git a/yarn.lock b/yarn.lock
index b36e788a3..8a28a943e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4701,10 +4701,10 @@ path-type@^4.0.0:
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
   integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
 
-php-parser@^3.2.5:
-  version "3.2.5"
-  resolved "https://registry.yarnpkg.com/php-parser/-/php-parser-3.2.5.tgz#24ff4b4f3e1788967f7737e43c273a5a8e7cd0ac"
-  integrity sha512-M1ZYlALFFnESbSdmRtTQrBFUHSriHgPhgqtTF/LCbZM4h7swR5PHtUceB2Kzby5CfqcsYwBn7OXTJ0+8Sajwkw==
+php-parser@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/php-parser/-/php-parser-3.4.0.tgz#dcd7743bf01caaaa7281e8b253f4cdbbea6e1265"
+  integrity sha512-JoDPazv8OESrVtcoIuO8HC587zVNJYSYUIl9zYn+JEpwlHSOrxmyMHB+sDS0O1ID5z1aFxPnr+vAUGoSKphlHA==
 
 picocolors@^1.0.0:
   version "1.0.0"