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1.1 misho 1: --TEST--
2: Test arsort() function : usage variations - sort integer/float values
3: --FILE--
4: <?php
5: /* Prototype : bool arsort ( array &$array [, int $sort_flags] )
6: * Description: Sort an array and maintain index association
7: Elements will be arranged from highest to lowest when this function has completed.
8: * Source code: ext/standard/array.c
9: */
10:
11: /*
12: * Testing arsort() by providing different integer/float value arrays for $array argument with following values
13: * 1. flag value as defualt
14: * 2. SORT_REGULAR - compare items normally
15: * 3. SORT_NUMERIC - compare items numerically
16: */
17:
18: echo "*** Testing arsort() : usage variations ***\n";
19:
20: // group of various arrays with indices
21: $various_arrays = array(
22: // negative/posative integer array
23: array(1 => 11, 2 => -11, 3 => 21, 4 => -21, 5 => 31, 6 => -31, 7 => 0, 8 => 41, 10 =>-41),
24:
25: // float value array
26: array(1 => 10.5, 2 => -10.5, 3 => 10.5e2, 4 => 10.6E-2, 5 => .5, 6 => .0001, 7 => -.1),
27:
28: // mixed value array
29: array(1 => .0001, 2 => .0021, 3 => -.01, 4 => -1, 5 => 0, 6 => .09, 7 => 2, 8 => -.9, 9 => 10.6E-2, 10 => -10.6E-2, 11 => 33),
30:
31: // array values contains minimum and maximum ranges
32: array(1 => 2147483647, 2 => 2147483648, 3 => -2147483647, 4 => -2147483648, 5 => -0, 6 => 0, 7 => -2147483649)
33: );
34:
35: // set of possible flag values
36: $flag_value = array("SORT_REGULAR" => SORT_REGULAR, "SORT_NUMERIC" => SORT_NUMERIC);
37:
38: $count = 1;
39: echo "\n-- Testing arsort() by supplying various integer/float arrays --\n";
40:
41: // loop through to test arsort() with different arrays
42: foreach ($various_arrays as $array) {
43: echo "\n-- Iteration $count --\n";
44:
45: echo "- With default sort_flag -\n";
46: $temp_array = $array;
47: var_dump(arsort($temp_array) );
48: var_dump($temp_array);
49:
50: // loop through $flag_value array and setting all possible flag values
51: foreach($flag_value as $key => $flag){
52: echo "- Sort_flag = $key -\n";
53: $temp_array = $array;
54: var_dump(arsort($temp_array, $flag) );
55: var_dump($temp_array);
56: }
57: $count++;
58: }
59:
60: echo "Done\n";
61: ?>
62: --EXPECTF--
63: *** Testing arsort() : usage variations ***
64:
65: -- Testing arsort() by supplying various integer/float arrays --
66:
67: -- Iteration 1 --
68: - With default sort_flag -
69: bool(true)
70: array(9) {
71: [8]=>
72: int(41)
73: [5]=>
74: int(31)
75: [3]=>
76: int(21)
77: [1]=>
78: int(11)
79: [7]=>
80: int(0)
81: [2]=>
82: int(-11)
83: [4]=>
84: int(-21)
85: [6]=>
86: int(-31)
87: [10]=>
88: int(-41)
89: }
90: - Sort_flag = SORT_REGULAR -
91: bool(true)
92: array(9) {
93: [8]=>
94: int(41)
95: [5]=>
96: int(31)
97: [3]=>
98: int(21)
99: [1]=>
100: int(11)
101: [7]=>
102: int(0)
103: [2]=>
104: int(-11)
105: [4]=>
106: int(-21)
107: [6]=>
108: int(-31)
109: [10]=>
110: int(-41)
111: }
112: - Sort_flag = SORT_NUMERIC -
113: bool(true)
114: array(9) {
115: [8]=>
116: int(41)
117: [5]=>
118: int(31)
119: [3]=>
120: int(21)
121: [1]=>
122: int(11)
123: [7]=>
124: int(0)
125: [2]=>
126: int(-11)
127: [4]=>
128: int(-21)
129: [6]=>
130: int(-31)
131: [10]=>
132: int(-41)
133: }
134:
135: -- Iteration 2 --
136: - With default sort_flag -
137: bool(true)
138: array(7) {
139: [3]=>
140: float(1050)
141: [1]=>
142: float(10.5)
143: [5]=>
144: float(0.5)
145: [4]=>
146: float(0.106)
147: [6]=>
148: float(0.0001)
149: [7]=>
150: float(-0.1)
151: [2]=>
152: float(-10.5)
153: }
154: - Sort_flag = SORT_REGULAR -
155: bool(true)
156: array(7) {
157: [3]=>
158: float(1050)
159: [1]=>
160: float(10.5)
161: [5]=>
162: float(0.5)
163: [4]=>
164: float(0.106)
165: [6]=>
166: float(0.0001)
167: [7]=>
168: float(-0.1)
169: [2]=>
170: float(-10.5)
171: }
172: - Sort_flag = SORT_NUMERIC -
173: bool(true)
174: array(7) {
175: [3]=>
176: float(1050)
177: [1]=>
178: float(10.5)
179: [5]=>
180: float(0.5)
181: [4]=>
182: float(0.106)
183: [6]=>
184: float(0.0001)
185: [7]=>
186: float(-0.1)
187: [2]=>
188: float(-10.5)
189: }
190:
191: -- Iteration 3 --
192: - With default sort_flag -
193: bool(true)
194: array(11) {
195: [11]=>
196: int(33)
197: [7]=>
198: int(2)
199: [9]=>
200: float(0.106)
201: [6]=>
202: float(0.09)
203: [2]=>
204: float(0.0021)
205: [1]=>
206: float(0.0001)
207: [5]=>
208: int(0)
209: [3]=>
210: float(-0.01)
211: [10]=>
212: float(-0.106)
213: [8]=>
214: float(-0.9)
215: [4]=>
216: int(-1)
217: }
218: - Sort_flag = SORT_REGULAR -
219: bool(true)
220: array(11) {
221: [11]=>
222: int(33)
223: [7]=>
224: int(2)
225: [9]=>
226: float(0.106)
227: [6]=>
228: float(0.09)
229: [2]=>
230: float(0.0021)
231: [1]=>
232: float(0.0001)
233: [5]=>
234: int(0)
235: [3]=>
236: float(-0.01)
237: [10]=>
238: float(-0.106)
239: [8]=>
240: float(-0.9)
241: [4]=>
242: int(-1)
243: }
244: - Sort_flag = SORT_NUMERIC -
245: bool(true)
246: array(11) {
247: [11]=>
248: int(33)
249: [7]=>
250: int(2)
251: [9]=>
252: float(0.106)
253: [6]=>
254: float(0.09)
255: [2]=>
256: float(0.0021)
257: [1]=>
258: float(0.0001)
259: [5]=>
260: int(0)
261: [3]=>
262: float(-0.01)
263: [10]=>
264: float(-0.106)
265: [8]=>
266: float(-0.9)
267: [4]=>
268: int(-1)
269: }
270:
271: -- Iteration 4 --
272: - With default sort_flag -
273: bool(true)
274: array(7) {
275: [2]=>
276: %s(2147483648)
277: [1]=>
278: int(2147483647)
279: [6]=>
280: int(0)
281: [5]=>
282: int(0)
283: [3]=>
284: int(-2147483647)
285: [4]=>
286: %s(-2147483648)
287: [7]=>
288: %s(-2147483649)
289: }
290: - Sort_flag = SORT_REGULAR -
291: bool(true)
292: array(7) {
293: [2]=>
294: %s(2147483648)
295: [1]=>
296: int(2147483647)
297: [6]=>
298: int(0)
299: [5]=>
300: int(0)
301: [3]=>
302: int(-2147483647)
303: [4]=>
304: %s(-2147483648)
305: [7]=>
306: %s(-2147483649)
307: }
308: - Sort_flag = SORT_NUMERIC -
309: bool(true)
310: array(7) {
311: [2]=>
312: %s(2147483648)
313: [1]=>
314: int(2147483647)
315: [6]=>
316: int(0)
317: [5]=>
318: int(0)
319: [3]=>
320: int(-2147483647)
321: [4]=>
322: %s(-2147483648)
323: [7]=>
324: %s(-2147483649)
325: }
326: Done