1--TEST--
2GH-12143: Test rounding of 0.5.
3--FILE--
4<?php
5foreach ([
6    0.5,
7    -0.5,
8] as $number) {
9    foreach ([
10        'PHP_ROUND_HALF_UP',
11        'PHP_ROUND_HALF_DOWN',
12        'PHP_ROUND_HALF_EVEN',
13        'PHP_ROUND_HALF_ODD',
14    ] as $mode) {
15        printf("%-20s: %+.17g -> %+.17g\n", $mode, $number, round($number, 0, constant($mode)));
16    }
17}
18?>
19--EXPECT--
20PHP_ROUND_HALF_UP   : +0.5 -> +1
21PHP_ROUND_HALF_DOWN : +0.5 -> +0
22PHP_ROUND_HALF_EVEN : +0.5 -> +0
23PHP_ROUND_HALF_ODD  : +0.5 -> +1
24PHP_ROUND_HALF_UP   : -0.5 -> -1
25PHP_ROUND_HALF_DOWN : -0.5 -> -0
26PHP_ROUND_HALF_EVEN : -0.5 -> -0
27PHP_ROUND_HALF_ODD  : -0.5 -> -1
28