1--TEST--
2Test hypot() function : usage variations - different data types as $y argument
3--FILE--
4<?php
5/* Prototype  : float hypot  ( float $x  , float $y  )
6 * Description: Calculate the length of the hypotenuse of a right-angle triangle
7 * Source code: ext/standard/math.c
8 */
9
10echo "*** Testing hypot() : usage variations ***\n";
11
12//get an unset variable
13$unset_var = 10;
14unset ($unset_var);
15
16// heredoc string
17$heredoc = <<<EOT
18abc
19xyz
20EOT;
21
22// get a class
23class classA
24{
25}
26
27// get a resource variable
28$fp = fopen(__FILE__, "r");
29
30// unexpected values to be passed to $arg argument
31$inputs = array(
32       // int data
33/*1*/  0,
34       1,
35       12345,
36       -2345,
37       2147483647,
38
39       // float data
40/*6*/  10.5,
41       -10.5,
42       12.3456789000e10,
43       12.3456789000E-10,
44       .5,
45
46       // null data
47/*11*/ NULL,
48       null,
49
50       // boolean data
51/*13*/ true,
52       false,
53       TRUE,
54       FALSE,
55
56       // empty data
57/*17*/ "",
58       '',
59       array(),
60
61       // string data
62/*20*/ "abcxyz",
63       'abcxyz',
64       $heredoc,
65
66       // object data
67/*23*/ new classA(),
68
69       // undefined data
70/*24*/ @$undefined_var,
71
72       // unset data
73/*25*/ @$unset_var,
74
75       // resource variable
76/*26*/ $fp
77);
78
79// loop through each element of $inputs to check the behaviour of hypot()
80$iterator = 1;
81foreach($inputs as $input) {
82	echo "\n-- Iteration $iterator --\n";
83	var_dump(hypot(3, $input));
84	$iterator++;
85};
86fclose($fp);
87?>
88===Done===
89--EXPECTF--
90*** Testing hypot() : usage variations ***
91
92-- Iteration 1 --
93float(3)
94
95-- Iteration 2 --
96float(3.1622776601684)
97
98-- Iteration 3 --
99float(12345.00036452)
100
101-- Iteration 4 --
102float(2345.0019189758)
103
104-- Iteration 5 --
105float(2147483647)
106
107-- Iteration 6 --
108float(10.920164833921)
109
110-- Iteration 7 --
111float(10.920164833921)
112
113-- Iteration 8 --
114float(123456789000)
115
116-- Iteration 9 --
117float(3)
118
119-- Iteration 10 --
120float(3.0413812651491)
121
122-- Iteration 11 --
123float(3)
124
125-- Iteration 12 --
126float(3)
127
128-- Iteration 13 --
129float(3.1622776601684)
130
131-- Iteration 14 --
132float(3)
133
134-- Iteration 15 --
135float(3.1622776601684)
136
137-- Iteration 16 --
138float(3)
139
140-- Iteration 17 --
141
142Warning: hypot() expects parameter 2 to be double, string given in %s on line %d
143NULL
144
145-- Iteration 18 --
146
147Warning: hypot() expects parameter 2 to be double, string given in %s on line %d
148NULL
149
150-- Iteration 19 --
151
152Warning: hypot() expects parameter 2 to be double, array given in %s on line %d
153NULL
154
155-- Iteration 20 --
156
157Warning: hypot() expects parameter 2 to be double, string given in %s on line %d
158NULL
159
160-- Iteration 21 --
161
162Warning: hypot() expects parameter 2 to be double, string given in %s on line %d
163NULL
164
165-- Iteration 22 --
166
167Warning: hypot() expects parameter 2 to be double, string given in %s on line %d
168NULL
169
170-- Iteration 23 --
171
172Warning: hypot() expects parameter 2 to be double, object given in %s on line %d
173NULL
174
175-- Iteration 24 --
176float(3)
177
178-- Iteration 25 --
179float(3)
180
181-- Iteration 26 --
182
183Warning: hypot() expects parameter 2 to be double, resource given in %s on line %d
184NULL
185===Done===