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1.1 misho 1: --TEST--
2: Test atan2() function : usage variations - different data types as $x arg
3: --INI--
4: precision = 10
5: --FILE--
6: <?php
7: /* Prototype : float atan2 ( float $y , float $x )
8: * Description: Arc tangent of two variables.
9: * Source code: ext/standard/math.c
10: */
11:
12: echo "*** Testing atan2() : basic functionality ***\n";
13:
14: //get an unset variable
15: $unset_var = 10;
16: unset ($unset_var);
17:
18: // heredoc string
19: $heredoc = <<<EOT
20: abc
21: xyz
22: EOT;
23:
24: // get a class
25: class classA
26: {
27: }
28:
29: // get a resource variable
30: $fp = fopen(__FILE__, "r");
31:
32: $inputs = array(
33: // int data
34: /*1*/ 0,
35: 1,
36: 12,
37: -12,
38: 2147483647,
39:
40: // float data
41: /*6*/ 10.5,
42: -10.5,
43: 1.234567e2,
44: 1.234567E-2,
45: .5,
46:
47: // null data
48: /*11*/ NULL,
49: null,
50:
51: // boolean data
52: /*13*/ true,
53: false,
54: TRUE,
55: FALSE,
56:
57: // empty data
58: /*17*/ "",
59: '',
60: array(),
61:
62: // string data
63: /*20*/ "abcxyz",
64: 'abcxyz',
65: $heredoc,
66:
67: // object data
68: /*23*/ new classA(),
69:
70: // undefined data
71: /*24*/ @$undefined_var,
72:
73: // unset data
74: /*25*/ @$unset_var,
75:
76: // resource variable
77: /*26*/ $fp
78: );
79:
80: // loop through each element of $inputs to check the behaviour of atan2()
81: $iterator = 1;
82: foreach($inputs as $input) {
83: echo "\n-- Iteration $iterator --\n";
84: var_dump(atan2(23, $input));
85: $iterator++;
86: };
87: fclose($fp);
88: ?>
89: ===Done===
90: --EXPECTF--
91: *** Testing atan2() : basic functionality ***
92:
93: -- Iteration 1 --
94: float(1.570796327)
95:
96: -- Iteration 2 --
97: float(1.527345431)
98:
99: -- Iteration 3 --
100: float(1.089909047)
101:
102: -- Iteration 4 --
103: float(2.051683607)
104:
105: -- Iteration 5 --
106: float(1.071020961E-8)
107:
108: -- Iteration 6 --
109: float(1.142532174)
110:
111: -- Iteration 7 --
112: float(1.99906048)
113:
114: -- Iteration 8 --
115: float(0.1841885846)
116:
117: -- Iteration 9 --
118: float(1.570259559)
119:
120: -- Iteration 10 --
121: float(1.54906062)
122:
123: -- Iteration 11 --
124: float(1.570796327)
125:
126: -- Iteration 12 --
127: float(1.570796327)
128:
129: -- Iteration 13 --
130: float(1.527345431)
131:
132: -- Iteration 14 --
133: float(1.570796327)
134:
135: -- Iteration 15 --
136: float(1.527345431)
137:
138: -- Iteration 16 --
139: float(1.570796327)
140:
141: -- Iteration 17 --
142:
143: Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
144: NULL
145:
146: -- Iteration 18 --
147:
148: Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
149: NULL
150:
151: -- Iteration 19 --
152:
153: Warning: atan2() expects parameter 2 to be double, array given in %s on line %d
154: NULL
155:
156: -- Iteration 20 --
157:
158: Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
159: NULL
160:
161: -- Iteration 21 --
162:
163: Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
164: NULL
165:
166: -- Iteration 22 --
167:
168: Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
169: NULL
170:
171: -- Iteration 23 --
172:
173: Warning: atan2() expects parameter 2 to be double, object given in %s on line %d
174: NULL
175:
176: -- Iteration 24 --
177: float(1.570796327)
178:
179: -- Iteration 25 --
180: float(1.570796327)
181:
182: -- Iteration 26 --
183:
184: Warning: atan2() expects parameter 2 to be double, resource given in %s on line %d
185: NULL
186: ===Done===