fix 21705

Author: LamentXU123

ext/zip/php_zip.c

@@ -2788,7 +2788,7 @@ static void php_zip_get_from(INTERNAL_FUNCTION_PARAMETERS, int type) /* {{{ */
 
 		ZIP_FROM_OBJECT(intern, self);
 
-		PHP_ZIP_STAT_INDEX(intern, index, 0, sb);
+		PHP_ZIP_STAT_INDEX(intern, index, flags, sb);
 	}
 
 	if (sb.size < 1) {

ext/zip/tests/ZipArchive_getFromIndex_unchanged_deleted.phpt

@@ -0,0 +1,41 @@
+--TEST--
+ZipArchive::getFromIndex() honors FL_UNCHANGED for deleted entries
+--EXTENSIONS--
+zip
+--FILE--
+<?php
+$name = __DIR__ . '/ZipArchive_getFromIndex_unchanged_deleted.zip';
+
+$zip = new ZipArchive;
+var_dump($zip->open($name, ZipArchive::CREATE));
+var_dump($zip->addFromString('foo.txt', 'foo'));
+var_dump($zip->addFromString('bar.txt', 'bar'));
+var_dump($zip->close());
+
+$zip = new ZipArchive;
+var_dump($zip->open($name));
+$index = $zip->locateName('bar.txt');
+var_dump($index);
+var_dump($zip->deleteName('bar.txt'));
+
+var_dump($zip->getFromName('bar.txt', 0, ZipArchive::FL_UNCHANGED));
+var_dump($zip->getFromIndex($index, 0, ZipArchive::FL_UNCHANGED));
+
+var_dump($zip->close());
+?>
+--CLEAN--
+<?php
+$name = __DIR__ . '/ZipArchive_getFromIndex_unchanged_deleted.zip';
+@unlink($name);
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+int(1)
+bool(true)
+string(3) "bar"
+string(3) "bar"
+bool(true)