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1.1 misho 1: --TEST--
2: Test sort() function : usage variations - unexpected values for 'sort_flags' argument
3: --FILE--
4: <?php
5: /* Prototype : bool sort(array &array_arg [, int $sort_flags])
6: * Description: Sort an array
7: * Source code: ext/standard/array.c
8: */
9:
10: /*
11: * Testing sort() by providing different unexpected values for flag argument
12: */
13:
14: echo "*** Testing sort() : usage variations ***\n";
15:
16: //get an unset variable
17: $unset_var = 10;
18: unset ($unset_var);
19:
20: // resource variable
21: $fp = fopen(__FILE__, "r");
22:
23: // temperory array for checking unexpected behavior
24: $unsorted_values = array(10, 2, 45);
25:
26: //array of values to iterate over
27: $unexpected_values = array(
28:
29: // int data
30: /*1*/ -2345,
31:
32: // float data
33: /*2*/ 10.5,
34: -10.5,
35: 10.5e2,
36: 10.6E-2,
37: .5,
38:
39: // null data
40: /*7*/ NULL,
41: null,
42:
43: // boolean data
44: /*9*/ true,
45: false,
46: TRUE,
47: FALSE,
48:
49: // empty data
50: /*13*/ "",
51: '',
52:
53: // string data
54: /*15*/ "string",
55: 'string',
56:
57: // object data
58: /*16*/ new stdclass(),
59:
60: // undefined data
61: /*17*/ @undefined_var,
62:
63: // unset data
64: /*18*/ @unset_var,
65:
66: // resource variable
67: /*19*/ $fp
68:
69: );
70:
71: // loop though each element of the array and check the working of sort()
72: // when $flag arugment is supplied with different values
73: echo "\n-- Testing sort() by supplying different unexpected values for 'flag' argument --\n";
74:
75: $counter = 1;
76: for($index = 0; $index < count($unexpected_values); $index ++) {
77: echo "-- Iteration $counter --\n";
78:
79: // sort the array, retain a temp. copy of input array for next iteration
80: $value = $unexpected_values [$index];
81: $temp_array = $unsorted_values;
82: var_dump( sort($temp_array, $value) );
83:
84: //dump the sorted array
85: var_dump($temp_array);
86: $counter++;
87: }
88:
89: echo "Done";
90: ?>
91: --EXPECTF--
92: *** Testing sort() : usage variations ***
93:
94: -- Testing sort() by supplying different unexpected values for 'flag' argument --
95: -- Iteration 1 --
96: bool(true)
97: array(3) {
98: [0]=>
99: int(2)
100: [1]=>
101: int(10)
102: [2]=>
103: int(45)
104: }
105: -- Iteration 2 --
106: bool(true)
107: array(3) {
108: [0]=>
109: int(2)
110: [1]=>
111: int(10)
112: [2]=>
113: int(45)
114: }
115: -- Iteration 3 --
116: bool(true)
117: array(3) {
118: [0]=>
119: int(2)
120: [1]=>
121: int(10)
122: [2]=>
123: int(45)
124: }
125: -- Iteration 4 --
126: bool(true)
127: array(3) {
128: [0]=>
129: int(2)
130: [1]=>
131: int(10)
132: [2]=>
133: int(45)
134: }
135: -- Iteration 5 --
136: bool(true)
137: array(3) {
138: [0]=>
139: int(2)
140: [1]=>
141: int(10)
142: [2]=>
143: int(45)
144: }
145: -- Iteration 6 --
146: bool(true)
147: array(3) {
148: [0]=>
149: int(2)
150: [1]=>
151: int(10)
152: [2]=>
153: int(45)
154: }
155: -- Iteration 7 --
156: bool(true)
157: array(3) {
158: [0]=>
159: int(2)
160: [1]=>
161: int(10)
162: [2]=>
163: int(45)
164: }
165: -- Iteration 8 --
166: bool(true)
167: array(3) {
168: [0]=>
169: int(2)
170: [1]=>
171: int(10)
172: [2]=>
173: int(45)
174: }
175: -- Iteration 9 --
176: bool(true)
177: array(3) {
178: [0]=>
179: int(2)
180: [1]=>
181: int(10)
182: [2]=>
183: int(45)
184: }
185: -- Iteration 10 --
186: bool(true)
187: array(3) {
188: [0]=>
189: int(2)
190: [1]=>
191: int(10)
192: [2]=>
193: int(45)
194: }
195: -- Iteration 11 --
196: bool(true)
197: array(3) {
198: [0]=>
199: int(2)
200: [1]=>
201: int(10)
202: [2]=>
203: int(45)
204: }
205: -- Iteration 12 --
206: bool(true)
207: array(3) {
208: [0]=>
209: int(2)
210: [1]=>
211: int(10)
212: [2]=>
213: int(45)
214: }
215: -- Iteration 13 --
216:
217: Warning: sort() expects parameter 2 to be long, string given in %s on line %d
218: bool(false)
219: array(3) {
220: [0]=>
221: int(10)
222: [1]=>
223: int(2)
224: [2]=>
225: int(45)
226: }
227: -- Iteration 14 --
228:
229: Warning: sort() expects parameter 2 to be long, string given in %s on line %d
230: bool(false)
231: array(3) {
232: [0]=>
233: int(10)
234: [1]=>
235: int(2)
236: [2]=>
237: int(45)
238: }
239: -- Iteration 15 --
240:
241: Warning: sort() expects parameter 2 to be long, string given in %s on line %d
242: bool(false)
243: array(3) {
244: [0]=>
245: int(10)
246: [1]=>
247: int(2)
248: [2]=>
249: int(45)
250: }
251: -- Iteration 16 --
252:
253: Warning: sort() expects parameter 2 to be long, string given in %s on line %d
254: bool(false)
255: array(3) {
256: [0]=>
257: int(10)
258: [1]=>
259: int(2)
260: [2]=>
261: int(45)
262: }
263: -- Iteration 17 --
264:
265: Warning: sort() expects parameter 2 to be long, object given in %s on line %d
266: bool(false)
267: array(3) {
268: [0]=>
269: int(10)
270: [1]=>
271: int(2)
272: [2]=>
273: int(45)
274: }
275: -- Iteration 18 --
276:
277: Warning: sort() expects parameter 2 to be long, string given in %s on line %d
278: bool(false)
279: array(3) {
280: [0]=>
281: int(10)
282: [1]=>
283: int(2)
284: [2]=>
285: int(45)
286: }
287: -- Iteration 19 --
288:
289: Warning: sort() expects parameter 2 to be long, string given in %s on line %d
290: bool(false)
291: array(3) {
292: [0]=>
293: int(10)
294: [1]=>
295: int(2)
296: [2]=>
297: int(45)
298: }
299: -- Iteration 20 --
300:
301: Warning: sort() expects parameter 2 to be long, resource given in %s on line %d
302: bool(false)
303: array(3) {
304: [0]=>
305: int(10)
306: [1]=>
307: int(2)
308: [2]=>
309: int(45)
310: }
311: Done