1--TEST--
2Bug #20169 (implode() clobbers first argument)
3--FILE--
4<?php
5    @set_time_limit(5);
6    $delimiter = "|";
7
8    echo "delimiter: $delimiter\n";
9    implode($delimiter, array("foo", "bar"));
10    echo "delimiter: $delimiter\n";
11?>
12--EXPECT--
13delimiter: |
14delimiter: |
15