1--TEST--
2Test variations in usage of sqrt()
3--INI--
4precision = 14
5--FILE--
6<?php
7/*
8 * proto float sqrt(float number)
9 * Function is implemented in ext/standard/math.c
10*/
11
12
13//Test sqrt with a different input values
14echo "*** Testing sqrt() : usage variations ***\n";
15
16$values = array(23,
17		-23,
18		2.345e1,
19		-2.345e1,
20		0x17,
21		027,
22		"23",
23		"23.45",
24		"2.345e1",
25		"nonsense",
26		"1000",
27		"1000ABC",
28		null,
29		true,
30		false);
31
32for ($i = 0; $i < count($values); $i++) {
33	$res = sqrt($values[$i]);
34	var_dump($res);
35}
36
37?>
38===Done===
39--EXPECTF--
40*** Testing sqrt() : usage variations ***
41float(4.7958315233127)
42float(NAN)
43float(4.8425200051213)
44float(NAN)
45float(4.7958315233127)
46float(4.7958315233127)
47float(4.7958315233127)
48float(4.8425200051213)
49float(4.8425200051213)
50
51Warning: sqrt() expects parameter 1 to be double, string given in %s on line %d
52NULL
53float(31.622776601684)
54
55Notice: A non well formed numeric value encountered in %s on line %d
56float(31.622776601684)
57float(0)
58float(1)
59float(0)
60===Done===
61