Fix stream_bucket_make_writeable

Author: VincentLanglet

resources/functionMap.php

@@ -11699,7 +11699,7 @@
 'strcoll' => ['int', 'str1'=>'string', 'str2'=>'string'],
 'strcspn' => ['int', 'str'=>'string', 'mask'=>'string', 'start='=>'int', 'length='=>'int'],
 'stream_bucket_append' => ['void', 'brigade'=>'resource', 'bucket'=>'object'],
-'stream_bucket_make_writeable' => ['object|null', 'brigade'=>'resource'],
+'stream_bucket_make_writeable' => ['stdClass|null', 'brigade'=>'resource'],
 'stream_bucket_new' => ['object', 'stream'=>'resource', 'buffer'=>'string'],
 'stream_bucket_prepend' => ['void', 'brigade'=>'resource', 'bucket'=>'object'],
 'stream_context_create' => ['resource', 'options='=>'array', 'params='=>'array'],

tests/PHPStan/Analyser/NodeScopeResolverTest.php

@@ -899,6 +899,7 @@ public function dataFileAsserts(): iterable
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/unset-conditional-expressions.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/conditional-types-inference.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-7210.php');
+		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-7341.php');
 	}
 
 	/**

tests/PHPStan/Analyser/data/bug-7341.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Bug7341;
+
+use function PHPStan\Testing\assertType;
+
+final class CsvWriterTerminate extends \php_user_filter
+{
+	/**
+	 * @param resource $in
+	 * @param resource $out
+	 * @param int      $consumed
+	 * @param bool     $closing
+	 */
+	public function filter($in, $out, &$consumed, $closing): int
+	{
+		while ($bucket = stream_bucket_make_writeable($in)) {
+			assertType('stdClass', $bucket);
+
+			if (isset($this->params['terminate'])) {
+				$bucket->data = preg_replace('/([^\r])\n/', '$1'.$this->params['terminate'], $bucket->data);
+			}
+			$consumed += $bucket->datalen;
+			stream_bucket_append($out, $bucket);
+		}
+
+		return \PSFS_PASS_ON;
+	}
+}