Test for non-string replacement, bug#54304

ext/spl/tests/bug54304.phpt

@@ -0,0 +1,26 @@
+--TEST--
+Bug #54304 (Setting replacement value for RegexIterator doesn't work)
+--FILE--
+<?php
+class foo extends ArrayIterator {
+	public function __construct( ) {
+		parent::__construct(array(
+			'test3'=>'test999'));
+	}
+}
+
+$h = new foo;
+$i = new RegexIterator($h, '/^test(.*)/', RegexIterator::REPLACE);
+$i->replacement = 42;
+var_dump($i->replacement);
+foreach ($i as $name=>$value) {
+	var_dump($name, $value);
+}
+var_dump($i->replacement);
+?>
+--EXPECT--
+int(42)
+string(5) "test3"
+string(2) "42"
+int(42)
+