1--TEST--
2ob_start(): Ensure content of unerasable buffer can be accessed by ob_get_contents().
3--FILE--
4<?php
5function callback($string) {
6    static $callback_invocations;
7    $callback_invocations++;
8    return "[callback:$callback_invocations]$string\n";
9}
10
11ob_start('callback', 0, false);
12
13echo "This call will obtain the content:\n";
14$str = ob_get_contents();
15var_dump($str);
16?>
17--EXPECT--
18[callback:1]This call will obtain the content:
19string(35) "This call will obtain the content:
20"
21