[pull] master from php:master

ext/hash/hash.c

@@ -361,7 +361,7 @@ static void php_hash_do_hash(
 	}
 	if (isfilename) {
 		if (zend_char_has_nul_byte(data, data_len)) {
-			zend_argument_value_error(1, "must not contain any null bytes");
+			zend_argument_value_error(2, "must not contain any null bytes");
 			RETURN_THROWS();
 		}
 		stream = php_stream_open_wrapper_ex(data, "rb", REPORT_ERRORS, NULL, FG(default_context));

ext/hash/tests/hash_file_error.phpt

@@ -19,6 +19,13 @@ try {
     echo $exception::class, ': ', $exception->getMessage(), "\n";
 }
 
+echo "\n-- Testing hash_file() function with a null byte in the filename --\n";
+try {
+    hash_file('md5', $filename . chr(0) . $filename);
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), "\n";
+}
+
 echo "\n-- Testing hash_file() function with a non-existent file --\n";
 var_dump(hash_file('md5', 'nonexistent.txt'));
 
@@ -36,6 +43,9 @@ unlink( $filename );
 -- Testing hash_file() function with an unknown algorithm --
 ValueError: hash_file(): Argument #1 ($algo) must be a valid hashing algorithm
 
+-- Testing hash_file() function with a null byte in the filename --
+ValueError: hash_file(): Argument #2 ($filename) must not contain any null bytes
+
 -- Testing hash_file() function with a non-existent file --
 
 Warning: hash_file(): Failed to open stream: No such file or directory in %s on line %d

ext/pcntl/pcntl.stub.php

@@ -1023,7 +1023,7 @@ function pcntl_waitid(int $idtype = P_ALL, ?int $id = null, &$info = [], int $fl
     function pcntl_wait(&$status, int $flags = 0, &$resource_usage = []): int {}
 
     /** @param callable|int $handler */
-    function pcntl_signal(int $signal, $handler, bool $restart_syscalls = true): bool {}
+    function pcntl_signal(int $signal, $handler, ?bool $restart_syscalls = null): bool {}
 
     /** @return callable|int */
     function pcntl_signal_get_handler(int $signal) {}

ext/pcntl/tests/pcntl_signal_restart_syscalls.phpt

@@ -0,0 +1,36 @@
+--TEST--
+pcntl_signal(): $restart_syscalls is nullable
+--EXTENSIONS--
+pcntl
+--FILE--
+<?php
+declare(strict_types=1);
+
+$parameter = (new ReflectionFunction('pcntl_signal'))->getParameters()[2];
+var_dump((string) $parameter->getType());
+var_dump($parameter->allowsNull());
+var_dump($parameter->getDefaultValue());
+
+var_dump(pcntl_signal(SIGALRM, SIG_IGN));
+var_dump(pcntl_signal(SIGALRM, SIG_IGN, null));
+var_dump(pcntl_signal(SIGALRM, SIG_IGN, true));
+var_dump(pcntl_signal(SIGALRM, SIG_IGN, false));
+
+try {
+    pcntl_signal(SIGALRM, SIG_IGN, 1);
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), "\n";
+}
+
+var_dump(pcntl_signal(SIGALRM, SIG_DFL));
+?>
+--EXPECT--
+string(5) "?bool"
+bool(true)
+NULL
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+TypeError: pcntl_signal(): Argument #3 ($restart_syscalls) must be of type ?bool, int given
+bool(true)