Annotation of embedaddon/php/ext/standard/tests/array/key_variation1.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test key() function : usage variations - Pass different data types as $array_arg arg.
3: --FILE--
4: <?php
5: /* Prototype : mixed key(array $array_arg)
6: * Description: Return the key of the element currently pointed to by the internal array pointer
7: * Source code: ext/standard/array.c
8: */
9:
10: /*
11: * Pass different data types as $array_arg argument to test behaviour of key()
12: */
13:
14: echo "*** Testing key() : usage variations ***\n";
15:
16: //get an unset variable
17: $unset_var = 10;
18: unset ($unset_var);
19:
20: // get a class
21: class classA
22: {
23: var $var1;
24: public function __toString() {
25: return "Class A object";
26: }
27: }
28:
29: // heredoc string
30: $heredoc = <<<EOT
31: hello world
32: EOT;
33:
34: // get a resource variable
35: $fp = fopen(__FILE__, "r");
36:
37: // unexpected values to be passed to $array_arg argument
38: $inputs = array(
39:
40: // int data
41: /*1*/ 0,
42: 1,
43: 12345,
44: -2345,
45:
46: // float data
47: /*5*/ 10.5,
48: -10.5,
49: 12.3456789000e10,
50: 12.3456789000E-10,
51: .5,
52:
53: // null data
54: /*10*/ NULL,
55: null,
56:
57: // boolean data
58: /*12*/ true,
59: false,
60: TRUE,
61: FALSE,
62:
63: // empty data
64: /*16*/ "",
65: '',
66: array(),
67:
68: // string data
69: /*19*/ "string",
70: 'string',
71: $heredoc,
72:
73: // object data
74: /*22*/ new classA(),
75:
76: // undefined data
77: /*23*/ @$undefined_var,
78:
79: // unset data
80: /*24*/ @$unset_var,
81:
82: // resource variable
83: /*25*/ $fp
84: );
85:
86: // loop through each element of $inputs to check the behavior of key()
87: $iterator = 1;
88: foreach($inputs as $input) {
89: echo "\n-- Iteration $iterator --\n";
90: var_dump( key($input) );
91: $iterator++;
92: };
93:
94: fclose($fp);
95: ?>
96: ===DONE===
97: --EXPECTF--
98: *** Testing key() : usage variations ***
99:
100: -- Iteration 1 --
101:
102: Warning: key() expects parameter 1 to be array, integer given in %s on line %d
103: NULL
104:
105: -- Iteration 2 --
106:
107: Warning: key() expects parameter 1 to be array, integer given in %s on line %d
108: NULL
109:
110: -- Iteration 3 --
111:
112: Warning: key() expects parameter 1 to be array, integer given in %s on line %d
113: NULL
114:
115: -- Iteration 4 --
116:
117: Warning: key() expects parameter 1 to be array, integer given in %s on line %d
118: NULL
119:
120: -- Iteration 5 --
121:
122: Warning: key() expects parameter 1 to be array, double given in %s on line %d
123: NULL
124:
125: -- Iteration 6 --
126:
127: Warning: key() expects parameter 1 to be array, double given in %s on line %d
128: NULL
129:
130: -- Iteration 7 --
131:
132: Warning: key() expects parameter 1 to be array, double given in %s on line %d
133: NULL
134:
135: -- Iteration 8 --
136:
137: Warning: key() expects parameter 1 to be array, double given in %s on line %d
138: NULL
139:
140: -- Iteration 9 --
141:
142: Warning: key() expects parameter 1 to be array, double given in %s on line %d
143: NULL
144:
145: -- Iteration 10 --
146:
147: Warning: key() expects parameter 1 to be array, null given in %s on line %d
148: NULL
149:
150: -- Iteration 11 --
151:
152: Warning: key() expects parameter 1 to be array, null given in %s on line %d
153: NULL
154:
155: -- Iteration 12 --
156:
157: Warning: key() expects parameter 1 to be array, boolean given in %s on line %d
158: NULL
159:
160: -- Iteration 13 --
161:
162: Warning: key() expects parameter 1 to be array, boolean given in %s on line %d
163: NULL
164:
165: -- Iteration 14 --
166:
167: Warning: key() expects parameter 1 to be array, boolean given in %s on line %d
168: NULL
169:
170: -- Iteration 15 --
171:
172: Warning: key() expects parameter 1 to be array, boolean given in %s on line %d
173: NULL
174:
175: -- Iteration 16 --
176:
177: Warning: key() expects parameter 1 to be array, string given in %s on line %d
178: NULL
179:
180: -- Iteration 17 --
181:
182: Warning: key() expects parameter 1 to be array, string given in %s on line %d
183: NULL
184:
185: -- Iteration 18 --
186: NULL
187:
188: -- Iteration 19 --
189:
190: Warning: key() expects parameter 1 to be array, string given in %s on line %d
191: NULL
192:
193: -- Iteration 20 --
194:
195: Warning: key() expects parameter 1 to be array, string given in %s on line %d
196: NULL
197:
198: -- Iteration 21 --
199:
200: Warning: key() expects parameter 1 to be array, string given in %s on line %d
201: NULL
202:
203: -- Iteration 22 --
204: string(4) "var1"
205:
206: -- Iteration 23 --
207:
208: Warning: key() expects parameter 1 to be array, null given in %s on line %d
209: NULL
210:
211: -- Iteration 24 --
212:
213: Warning: key() expects parameter 1 to be array, null given in %s on line %d
214: NULL
215:
216: -- Iteration 25 --
217:
218: Warning: key() expects parameter 1 to be array, resource given in %s on line %d
219: NULL
220: ===DONE===
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