diff --git a/UPGRADING b/UPGRADING
index 21fd5018a96e5..11b3ee4d63653 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -86,6 +86,12 @@ PHP 8.3 UPGRADE NOTES
     Underscores must be encoded as "=5F" in such MIME encoded words.
     (Alex Dowad)
 
+- Phar:
+  . Phar::delete, Phar::decompress, Phar::decompressFiles, Phar::copy,
+    Phar::delMetadata, Phar::setStub, Phar::unlinkArchive,
+    PharFileInfo::compress, PharFileInfo::decompress, PharFileInfo::delMetadata
+    no longer return true on success.
+
 - Standard:
   . E_NOTICEs emitted by unserialized() have been promoted to E_WARNING.
     RFC: https://wiki.php.net/rfc/improve_unserialize_error_handling
diff --git a/ext/phar/phar_object.c b/ext/phar/phar_object.c
index ba47cd88439c5..25311f4be5002 100644
--- a/ext/phar/phar_object.c
+++ b/ext/phar/phar_object.c
@@ -1331,7 +1331,6 @@ PHP_METHOD(Phar, unlinkArchive)
 	phar_archive_delref(phar);
 	unlink(fname);
 	efree(fname);
-	RETURN_TRUE;
 }
 /* }}} */
 
@@ -2609,7 +2608,7 @@ PHP_METHOD(Phar, delete)
 	if (NULL != (entry = zend_hash_str_find_ptr(&phar_obj->archive->manifest, fname, (uint32_t) fname_len))) {
 		if (entry->is_deleted) {
 			/* entry is deleted, but has not been flushed to disk yet */
-			RETURN_TRUE;
+			return;
 		} else {
 			entry->is_deleted = 1;
 			entry->is_modified = 1;
@@ -2626,8 +2625,6 @@ PHP_METHOD(Phar, delete)
 		efree(error);
 		RETURN_THROWS();
 	}
-
-	RETURN_TRUE;
 }
 /* }}} */
 
@@ -2872,7 +2869,7 @@ PHP_METHOD(Phar, setStub)
 				zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
 				efree(error);
 			}
-			RETURN_TRUE;
+			return;
 		} else {
 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
 				"Cannot change stub, unable to read from input stream");
@@ -2890,7 +2887,7 @@ PHP_METHOD(Phar, setStub)
 			RETURN_THROWS();
 		}
 
-		RETURN_TRUE;
+		return;
 	}
 
 	RETURN_THROWS();
@@ -3362,7 +3359,7 @@ PHP_METHOD(Phar, decompressFiles)
 	}
 
 	if (phar_obj->archive->is_tar) {
-		RETURN_TRUE;
+		return;
 	} else {
 		if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
@@ -3378,8 +3375,6 @@ PHP_METHOD(Phar, decompressFiles)
 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "%s", error);
 		efree(error);
 	}
-
-	RETURN_TRUE;
 }
 /* }}} */
 
@@ -3473,8 +3468,6 @@ PHP_METHOD(Phar, copy)
 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
 		efree(error);
 	}
-
-	RETURN_TRUE;
 }
 /* }}} */
 
@@ -4062,7 +4055,7 @@ PHP_METHOD(Phar, delMetadata)
 	}
 
 	if (!phar_metadata_tracker_has_data(&phar_obj->archive->metadata_tracker, phar_obj->archive->is_persistent)) {
-		RETURN_TRUE;
+		return;
 	}
 
 	phar_metadata_tracker_free(&phar_obj->archive->metadata_tracker, phar_obj->archive->is_persistent);
@@ -4073,8 +4066,6 @@ PHP_METHOD(Phar, delMetadata)
 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
 		efree(error);
 		RETURN_THROWS();
-	} else {
-		RETURN_TRUE;
 	}
 }
 /* }}} */
@@ -4771,12 +4762,7 @@ PHP_METHOD(PharFileInfo, delMetadata)
 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
 			efree(error);
 			RETURN_THROWS();
-		} else {
-			RETURN_TRUE;
 		}
-
-	} else {
-		RETURN_TRUE;
 	}
 }
 /* }}} */
@@ -4879,7 +4865,7 @@ PHP_METHOD(PharFileInfo, compress)
 	switch (method) {
 		case PHAR_ENT_COMPRESSED_GZ:
 			if (entry_obj->entry->flags & PHAR_ENT_COMPRESSED_GZ) {
-				RETURN_TRUE;
+				return;
 			}
 
 			if ((entry_obj->entry->flags & PHAR_ENT_COMPRESSED_BZ2) != 0) {
@@ -4910,7 +4896,7 @@ PHP_METHOD(PharFileInfo, compress)
 			break;
 		case PHAR_ENT_COMPRESSED_BZ2:
 			if (entry_obj->entry->flags & PHAR_ENT_COMPRESSED_BZ2) {
-				RETURN_TRUE;
+				return;
 			}
 
 			if ((entry_obj->entry->flags & PHAR_ENT_COMPRESSED_GZ) != 0) {
@@ -4952,8 +4938,6 @@ PHP_METHOD(PharFileInfo, compress)
 		efree(error);
 		RETURN_THROWS();
 	}
-
-	RETURN_TRUE;
 }
 /* }}} */
 
@@ -4976,7 +4960,7 @@ PHP_METHOD(PharFileInfo, decompress)
 	}
 
 	if ((entry_obj->entry->flags & PHAR_ENT_COMPRESSION_MASK) == 0) {
-		RETURN_TRUE;
+		return;
 	}
 
 	if (PHAR_G(readonly) && !entry_obj->entry->phar->is_data) {
@@ -5044,8 +5028,6 @@ PHP_METHOD(PharFileInfo, decompress)
 		efree(error);
 		RETURN_THROWS();
 	}
-
-	RETURN_TRUE;
 }
 /* }}} */
 
diff --git a/ext/phar/phar_object.stub.php b/ext/phar/phar_object.stub.php
index 3004a1ee83f43..6ce9a9c90b6c8 100644
--- a/ext/phar/phar_object.stub.php
+++ b/ext/phar/phar_object.stub.php
@@ -112,7 +112,7 @@ public function buildFromIterator(Traversable $iterator, ?string $baseDirectory
     public function compressFiles(int $compression): void {}
 
     /** @return bool */
-    public function decompressFiles() {} // TODO make return type void
+    public function decompressFiles(): void {}
 
     /** @tentative-return-type */
     public function compress(int $compression, ?string $extension = null): ?Phar {}
@@ -127,16 +127,16 @@ public function convertToExecutable(?int $format = null, ?int $compression = nul
     public function convertToData(?int $format = null, ?int $compression = null, ?string $extension = null): ?PharData {}
 
     /** @return bool */
-    public function copy(string $from, string $to) {} // TODO make return type void
+    public function copy(string $from, string $to): void {}
 
     /** @tentative-return-type */
     public function count(int $mode = COUNT_NORMAL): int {}
 
     /** @return bool */
-    public function delete(string $localName) {} // TODO make return type void
+    public function delete(string $localName): void {}
 
     /** @return bool */
-    public function delMetadata() {} // TODO make return type void
+    public function delMetadata(): void {}
 
     /** @tentative-return-type */
     public function extractTo(string $directory, array|string|null $files = null, bool $overwrite = false): bool {}
@@ -218,7 +218,7 @@ public function setSignatureAlgorithm(int $algo, ?string $privateKey = null): vo
      * @param resource|string $stub
      * @return bool
      */
-    public function setStub($stub, int $length = UNKNOWN) {} // TODO make return type void
+    public function setStub($stub, int $length = UNKNOWN): void {}
 
     /** @tentative-return-type */
     public function startBuffering(): void {}
@@ -252,7 +252,7 @@ final public static function mount(string $pharPath, string $externalPath): void
 
     final public static function mungServer(array $variables): void {}
 
-    final public static function unlinkArchive(string $filename): bool {} // TODO make return type void
+    final public static function unlinkArchive(string $filename): void {}
 
     final public static function webPhar(
         ?string $alias = null, ?string $index = null, ?string $fileNotFoundScript = null,
@@ -310,7 +310,7 @@ public function compressFiles(int $compression): void {}
      * @return bool
      * @implementation-alias Phar::decompressFiles
      */
-    public function decompressFiles() {} // TODO make return type void
+    public function decompressFiles(): void {}
 
     /**
      * @tentative-return-type
@@ -342,7 +342,7 @@ public function convertToData(?int $format = null, ?int $compression = null, ?st
      * @return bool
      * @implementation-alias Phar::copy
      */
-    public function copy(string $from, string $to) {} // TODO make return type void
+    public function copy(string $from, string $to): void {}
 
     /**
      * @tentative-return-type
@@ -354,13 +354,13 @@ public function count(int $mode = COUNT_NORMAL): int {}
      * @return bool
      * @implementation-alias Phar::delete
      */
-    public function delete(string $localName) {} // TODO make return type void
+    public function delete(string $localName): void {}
 
     /**
      * @return bool
      * @implementation-alias Phar::delMetadata
      */
-    public function delMetadata() {} // TODO make return type void
+    public function delMetadata(): void {}
 
     /**
      * @tentative-return-type
@@ -498,7 +498,7 @@ public function setSignatureAlgorithm(int $algo, ?string $privateKey = null): vo
      * @return bool
      * @implementation-alias Phar::setStub
      */
-    public function setStub($stub, int $length = UNKNOWN) {} // TODO make return type void
+    public function setStub($stub, int $length = UNKNOWN): void {}
 
     /**
      * @tentative-return-type
@@ -552,7 +552,7 @@ final public static function mount(string $pharPath, string $externalPath): void
     final public static function mungServer(array $variables): void {}
 
     /** @implementation-alias Phar::unlinkArchive */
-    final public static function unlinkArchive(string $filename): bool {} // TODO make return type void
+    final public static function unlinkArchive(string $filename): void {}
 
     /** @implementation-alias Phar::webPhar */
     final public static function webPhar(
@@ -570,13 +570,13 @@ public function __destruct() {}
     public function chmod(int $perms): void {}
 
     /** @return bool */
-    public function compress(int $compression) {} // TODO make return type void
+    public function compress(int $compression): void {}
 
     /** @return bool */
-    public function decompress() {} // TODO make return type void
+    public function decompress(): void {}
 
     /** @return bool */
-    public function delMetadata() {} // TODO make return type void
+    public function delMetadata(): void {}
 
     /** @tentative-return-type */
     public function getCompressedSize(): int {}
diff --git a/ext/phar/phar_object_arginfo.h b/ext/phar/phar_object_arginfo.h
index 17d96a94a0eb8..3caaeda4ad835 100644
--- a/ext/phar/phar_object_arginfo.h
+++ b/ext/phar/phar_object_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 799b653b10dbdfa58747e41715700cfd5300fa4f */
+ * Stub hash: 41840da6ed7a777dfec290a67751f6e812ad91eb */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Phar___construct, 0, 0, 1)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
@@ -38,7 +38,8 @@ ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo_class_Phar_compressFil
 	ZEND_ARG_TYPE_INFO(0, compression, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
-#define arginfo_class_Phar_decompressFiles arginfo_class_Phar___destruct
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_decompressFiles, 0, 0, IS_VOID, 0)
+ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_OBJ_INFO_EX(arginfo_class_Phar_compress, 0, 1, Phar, 1)
 	ZEND_ARG_TYPE_INFO(0, compression, IS_LONG, 0)
@@ -61,7 +62,7 @@ ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_OBJ_INFO_EX(arginfo_class_Phar_convertToDat
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, extension, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Phar_copy, 0, 0, 2)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_copy, 0, 2, IS_VOID, 0)
 	ZEND_ARG_TYPE_INFO(0, from, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, to, IS_STRING, 0)
 ZEND_END_ARG_INFO()
@@ -70,11 +71,11 @@ ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo_class_Phar_count, 0, 0
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, mode, IS_LONG, 0, "COUNT_NORMAL")
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Phar_delete, 0, 0, 1)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_delete, 0, 1, IS_VOID, 0)
 	ZEND_ARG_TYPE_INFO(0, localName, IS_STRING, 0)
 ZEND_END_ARG_INFO()
 
-#define arginfo_class_Phar_delMetadata arginfo_class_Phar___destruct
+#define arginfo_class_Phar_delMetadata arginfo_class_Phar_decompressFiles
 
 ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo_class_Phar_extractTo, 0, 1, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, directory, IS_STRING, 0)
@@ -150,7 +151,7 @@ ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo_class_Phar_setSignatur
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, privateKey, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Phar_setStub, 0, 0, 1)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_setStub, 0, 1, IS_VOID, 0)
 	ZEND_ARG_INFO(0, stub)
 	ZEND_ARG_TYPE_INFO(0, length, IS_LONG, 0)
 ZEND_END_ARG_INFO()
@@ -180,8 +181,7 @@ ZEND_END_ARG_INFO()
 
 #define arginfo_class_Phar_getSupportedSignatures arginfo_class_Phar_getSupportedCompression
 
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_interceptFileFuncs, 0, 0, IS_VOID, 0)
-ZEND_END_ARG_INFO()
+#define arginfo_class_Phar_interceptFileFuncs arginfo_class_Phar_decompressFiles
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_isValidPharFilename, 0, 1, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
@@ -211,7 +211,7 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_mungServer, 0, 1, IS_
 	ZEND_ARG_TYPE_INFO(0, variables, IS_ARRAY, 0)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_unlinkArchive, 0, 1, _IS_BOOL, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Phar_unlinkArchive, 0, 1, IS_VOID, 0)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
 ZEND_END_ARG_INFO()
 
@@ -244,7 +244,7 @@ ZEND_END_ARG_INFO()
 
 #define arginfo_class_PharData_compressFiles arginfo_class_Phar_compressFiles
 
-#define arginfo_class_PharData_decompressFiles arginfo_class_Phar___destruct
+#define arginfo_class_PharData_decompressFiles arginfo_class_Phar_decompressFiles
 
 ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_OBJ_INFO_EX(arginfo_class_PharData_compress, 0, 1, PharData, 1)
 	ZEND_ARG_TYPE_INFO(0, compression, IS_LONG, 0)
@@ -265,7 +265,7 @@ ZEND_END_ARG_INFO()
 
 #define arginfo_class_PharData_delete arginfo_class_Phar_delete
 
-#define arginfo_class_PharData_delMetadata arginfo_class_Phar___destruct
+#define arginfo_class_PharData_delMetadata arginfo_class_Phar_decompressFiles
 
 #define arginfo_class_PharData_extractTo arginfo_class_Phar_extractTo
 
@@ -327,7 +327,7 @@ ZEND_END_ARG_INFO()
 
 #define arginfo_class_PharData_getSupportedSignatures arginfo_class_Phar_getSupportedCompression
 
-#define arginfo_class_PharData_interceptFileFuncs arginfo_class_Phar_interceptFileFuncs
+#define arginfo_class_PharData_interceptFileFuncs arginfo_class_Phar_decompressFiles
 
 #define arginfo_class_PharData_isValidPharFilename arginfo_class_Phar_isValidPharFilename
 
@@ -355,13 +355,13 @@ ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo_class_PharFileInfo_chm
 	ZEND_ARG_TYPE_INFO(0, perms, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PharFileInfo_compress, 0, 0, 1)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_PharFileInfo_compress, 0, 1, IS_VOID, 0)
 	ZEND_ARG_TYPE_INFO(0, compression, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
-#define arginfo_class_PharFileInfo_decompress arginfo_class_Phar___destruct
+#define arginfo_class_PharFileInfo_decompress arginfo_class_Phar_decompressFiles
 
-#define arginfo_class_PharFileInfo_delMetadata arginfo_class_Phar___destruct
+#define arginfo_class_PharFileInfo_delMetadata arginfo_class_Phar_decompressFiles
 
 ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo_class_PharFileInfo_getCompressedSize, 0, 0, IS_LONG, 0)
 ZEND_END_ARG_INFO()
diff --git a/ext/phar/tests/bug76584.phpt b/ext/phar/tests/bug76584.phpt
index 6e729ce0b7321..0d9f8b480f623 100644
--- a/ext/phar/tests/bug76584.phpt
+++ b/ext/phar/tests/bug76584.phpt
@@ -19,9 +19,9 @@ var_dump($phar->extractTo(__DIR__ . '/76584'));
 echo file_get_contents(__DIR__ . '/76584/76584.txt');
 ?>
 --EXPECT--
+NULL
 bool(true)
-bool(true)
-bool(true)
+NULL
 bool(false)
 bool(true)
 This is a test file.
diff --git a/ext/phar/tests/bug79912.phpt b/ext/phar/tests/bug79912.phpt
index dba9fd17a1b25..69bcabf4bdb4d 100644
--- a/ext/phar/tests/bug79912.phpt
+++ b/ext/phar/tests/bug79912.phpt
@@ -19,10 +19,10 @@ var_dump($phar->extractTo(__DIR__ . "/bug79912")); //true
 var_dump(file_get_contents(__DIR__ . "/bug79912/test.txt")); //the extracted file in the folder should be decompressed
 ?>
 --EXPECT--
-bool(true)
+NULL
 string(60) "This is a test file.This is a test file.This is a test file."
 bool(true)
-bool(true)
+NULL
 bool(false)
 bool(true)
 string(60) "This is a test file.This is a test file.This is a test file."
diff --git a/ext/phar/tests/phar_metadata_read.phpt b/ext/phar/tests/phar_metadata_read.phpt
index f8b0f670bcbb9..37c9194c0b807 100644
--- a/ext/phar/tests/phar_metadata_read.phpt
+++ b/ext/phar/tests/phar_metadata_read.phpt
@@ -53,19 +53,19 @@ string(1) "c"
 string(1) "d"
 bool(true)
 string(8) "hi there"
-bool(true)
 NULL
-bool(true)
+NULL
+NULL
 NULL
   meta a
 bool(false)
 NULL
-bool(true)
+NULL
 NULL
   meta b
 bool(false)
 NULL
-bool(true)
+NULL
 NULL
   meta c
 bool(true)
@@ -75,7 +75,7 @@ array(2) {
   [1]=>
   string(5) "there"
 }
-bool(true)
+NULL
 NULL
   meta d
 bool(true)
@@ -85,7 +85,7 @@ array(2) {
   ["foo"]=>
   string(3) "bar"
 }
-bool(true)
+NULL
 NULL
 string(1) "a"
 string(1) "b"
diff --git a/ext/phar/tests/pharfileinfo_compression.phpt b/ext/phar/tests/pharfileinfo_compression.phpt
index ec016cc9d2b8c..ffed7c25c7d75 100644
--- a/ext/phar/tests/pharfileinfo_compression.phpt
+++ b/ext/phar/tests/pharfileinfo_compression.phpt
@@ -79,12 +79,12 @@ Unknown compression type specified
 Cannot compress with Gzip compression, not possible with tar-based phar archives
 Phar entry is a directory, cannot set compression
 Phar is readonly, cannot change compression
-bool(true)
-bool(true)
-bool(true)
-bool(true)
+NULL
+NULL
+NULL
+NULL
 decompress
 Phar is readonly, cannot decompress
 Phar entry is a directory, cannot set compression
-bool(true)
-bool(true)
+NULL
+NULL