1--TEST--
2Test -N operator : various numbers as strings
3--FILE--
4<?php
5
6$strVals = array(
7   "0","65","-44", "1.2", "-7.7", "abc", "123abc", "123e5", "123e5xyz", " 123abc", "123 abc", "123abc ", "3.4a",
8   "a5.9"
9);
10
11
12foreach ($strVals as $strVal) {
13   echo "--- testing: '$strVal' ---\n";
14   var_dump(-$strVal);
15}
16
17?>
18===DONE===
19--EXPECT--
20--- testing: '0' ---
21int(0)
22--- testing: '65' ---
23int(-65)
24--- testing: '-44' ---
25int(44)
26--- testing: '1.2' ---
27float(-1.2)
28--- testing: '-7.7' ---
29float(7.7)
30--- testing: 'abc' ---
31int(0)
32--- testing: '123abc' ---
33int(-123)
34--- testing: '123e5' ---
35float(-12300000)
36--- testing: '123e5xyz' ---
37float(-12300000)
38--- testing: ' 123abc' ---
39int(-123)
40--- testing: '123 abc' ---
41int(-123)
42--- testing: '123abc ' ---
43int(-123)
44--- testing: '3.4a' ---
45float(-3.4)
46--- testing: 'a5.9' ---
47int(0)
48===DONE===
49