--- /dev/null
+--TEST--
+Bug #25671 (subarrays not copied correctly)
+--FILE--
+<?php
+ $arr = array(
+ "This is string one.",
+ "This is string two.",
+ array(
+ "This is another string.",
+ "This is a last string."),
+ "This is a last string.");
+
+ echo serialize(str_replace("string", "strung", $arr)) . "\n";
+ echo serialize(str_replace("string", "strung", $arr)) . "\n";
+ echo serialize(str_replace(" ", "", $arr)) . "\n";
+ echo serialize(str_replace(" ", "", $arr)) . "\n";
+?>
+--EXPECT--
+a:4:{i:0;s:19:"This is strung one.";i:1;s:19:"This is strung two.";i:2;a:2:{i:0;s:23:"This is another string.";i:1;s:22:"This is a last string.";}i:3;s:22:"This is a last strung.";}
+a:4:{i:0;s:19:"This is strung one.";i:1;s:19:"This is strung two.";i:2;a:2:{i:0;s:23:"This is another string.";i:1;s:22:"This is a last string.";}i:3;s:22:"This is a last strung.";}
+a:4:{i:0;s:16:"Thisisstringone.";i:1;s:16:"Thisisstringtwo.";i:2;a:2:{i:0;s:23:"This is another string.";i:1;s:22:"This is a last string.";}i:3;s:18:"Thisisalaststring.";}
+a:4:{i:0;s:16:"Thisisstringone.";i:1;s:16:"Thisisstringtwo.";i:2;a:2:{i:0;s:23:"This is another string.";i:1;s:22:"This is a last string.";}i:3;s:18:"Thisisalaststring.";}
+