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1.1 misho 1: --TEST--
2: Test count_chars() function : usage variations - test values for $string argument
3: --FILE--
4: <?php
5:
6: /* Prototype : mixed count_chars ( string $string [, int $mode ] )
7: * Description: Return information about characters used in a string
8: * Source code: ext/standard/string.c
9: */
10:
11: echo "*** Testing count_chars() function: with unexpected inputs for 'string' argument ***\n";
12:
13: //get an unset variable
14: $unset_var = 'string_val';
15: unset($unset_var);
16:
17: //defining a class
18: class sample {
19: public function __toString() {
20: return "sample object";
21: }
22: }
23:
24: //getting the resource
25: $file_handle = fopen(__FILE__, "r");
26:
27: // array with different values for $input
28: $inputs = array (
29:
30: // integer values
31: /* 1 */ 0,
32: 1,
33: 255,
34: 256,
35: 2147483647,
36: -2147483648,
37:
38: // float values
39: /* 7 */ 10.5,
40: -20.5,
41: 10.1234567e10,
42:
43: // array values
44: /* 10 */ array(),
45: array(0),
46: array(1, 2),
47:
48: // boolean values
49: /* 13 */ true,
50: false,
51: TRUE,
52: FALSE,
53:
54: // null values
55: /* 17 */ NULL,
56: null,
57:
58: // objects
59: /* 19 */ new sample(),
60:
61: // resource
62: /* 20 */ $file_handle,
63:
64: // undefined variable
65: /* 21 */ @$undefined_var,
66:
67: // unset variable
68: /* 22 */ @$unset_var
69: );
70:
71: // loop through with each element of the $inputs array to test count_chars() function
72: $count = 1;
73: foreach($inputs as $input) {
74: echo "-- Iteration $count --\n";
75: // only list characters with a frequency > 0
76: var_dump(count_chars($input, 1));
77: $count ++;
78: }
79:
80: fclose($file_handle); //closing the file handle
81:
82: ?>
83: ===DONE===
84: --EXPECTF--
85: *** Testing count_chars() function: with unexpected inputs for 'string' argument ***
86: -- Iteration 1 --
87: array(1) {
88: [48]=>
89: int(1)
90: }
91: -- Iteration 2 --
92: array(1) {
93: [49]=>
94: int(1)
95: }
96: -- Iteration 3 --
97: array(2) {
98: [50]=>
99: int(1)
100: [53]=>
101: int(2)
102: }
103: -- Iteration 4 --
104: array(3) {
105: [50]=>
106: int(1)
107: [53]=>
108: int(1)
109: [54]=>
110: int(1)
111: }
112: -- Iteration 5 --
113: array(7) {
114: [49]=>
115: int(1)
116: [50]=>
117: int(1)
118: [51]=>
119: int(1)
120: [52]=>
121: int(3)
122: [54]=>
123: int(1)
124: [55]=>
125: int(2)
126: [56]=>
127: int(1)
128: }
129: -- Iteration 6 --
130: array(8) {
131: [45]=>
132: int(1)
133: [49]=>
134: int(1)
135: [50]=>
136: int(1)
137: [51]=>
138: int(1)
139: [52]=>
140: int(3)
141: [54]=>
142: int(1)
143: [55]=>
144: int(1)
145: [56]=>
146: int(2)
147: }
148: -- Iteration 7 --
149: array(4) {
150: [46]=>
151: int(1)
152: [48]=>
153: int(1)
154: [49]=>
155: int(1)
156: [53]=>
157: int(1)
158: }
159: -- Iteration 8 --
160: array(5) {
161: [45]=>
162: int(1)
163: [46]=>
164: int(1)
165: [48]=>
166: int(1)
167: [50]=>
168: int(1)
169: [53]=>
170: int(1)
171: }
172: -- Iteration 9 --
173: array(8) {
174: [48]=>
175: int(4)
176: [49]=>
177: int(2)
178: [50]=>
179: int(1)
180: [51]=>
181: int(1)
182: [52]=>
183: int(1)
184: [53]=>
185: int(1)
186: [54]=>
187: int(1)
188: [55]=>
189: int(1)
190: }
191: -- Iteration 10 --
192:
193: Warning: count_chars() expects parameter 1 to be string, array given in %s on line %d
194: NULL
195: -- Iteration 11 --
196:
197: Warning: count_chars() expects parameter 1 to be string, array given in %s on line %d
198: NULL
199: -- Iteration 12 --
200:
201: Warning: count_chars() expects parameter 1 to be string, array given in %s on line %d
202: NULL
203: -- Iteration 13 --
204: array(1) {
205: [49]=>
206: int(1)
207: }
208: -- Iteration 14 --
209: array(0) {
210: }
211: -- Iteration 15 --
212: array(1) {
213: [49]=>
214: int(1)
215: }
216: -- Iteration 16 --
217: array(0) {
218: }
219: -- Iteration 17 --
220: array(0) {
221: }
222: -- Iteration 18 --
223: array(0) {
224: }
225: -- Iteration 19 --
226: array(12) {
227: [32]=>
228: int(1)
229: [97]=>
230: int(1)
231: [98]=>
232: int(1)
233: [99]=>
234: int(1)
235: [101]=>
236: int(2)
237: [106]=>
238: int(1)
239: [108]=>
240: int(1)
241: [109]=>
242: int(1)
243: [111]=>
244: int(1)
245: [112]=>
246: int(1)
247: [115]=>
248: int(1)
249: [116]=>
250: int(1)
251: }
252: -- Iteration 20 --
253:
254: Warning: count_chars() expects parameter 1 to be string, resource given in %s on line %d
255: NULL
256: -- Iteration 21 --
257: array(0) {
258: }
259: -- Iteration 22 --
260: array(0) {
261: }
262: ===DONE===