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1.1 misho 1: --TEST--
2: Test explode() function : usage variations - test values for $string argument
3: --FILE--
4: <?php
5:
6: /* Prototype : array explode ( string $delimiter , string $string [, int $limit ] )
7: * Description: Split a string by string.
8: * Source code: ext/standard/string.c
9: */
10:
11: echo "*** Testing explode() 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 $string
28: $strings = 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 $strings array to test explode() function
72: $count = 1;
1.1.1.2 ! misho 73: $delimiter = " ";
1.1 misho 74: $limit = 5;
75: foreach($strings as $string) {
76: echo "-- Iteration $count --\n";
1.1.1.2 ! misho 77: var_dump( explode($delimiter, $string, $limit) );
1.1 misho 78: $count ++;
79: }
80:
81: fclose($file_handle); //closing the file handle
82:
83: ?>
84: ===DONE===
85: --EXPECTF--
86: *** Testing explode() function: with unexpected inputs for 'string' argument ***
87: -- Iteration 1 --
88: array(1) {
89: [0]=>
90: string(1) "0"
91: }
92: -- Iteration 2 --
93: array(1) {
94: [0]=>
95: string(1) "1"
96: }
97: -- Iteration 3 --
98: array(1) {
99: [0]=>
100: string(3) "255"
101: }
102: -- Iteration 4 --
103: array(1) {
104: [0]=>
105: string(3) "256"
106: }
107: -- Iteration 5 --
108: array(1) {
109: [0]=>
110: string(10) "2147483647"
111: }
112: -- Iteration 6 --
113: array(1) {
114: [0]=>
115: string(11) "-2147483648"
116: }
117: -- Iteration 7 --
118: array(1) {
119: [0]=>
120: string(4) "10.5"
121: }
122: -- Iteration 8 --
123: array(1) {
124: [0]=>
125: string(5) "-20.5"
126: }
127: -- Iteration 9 --
128: array(1) {
129: [0]=>
130: string(12) "101234567000"
131: }
132: -- Iteration 10 --
133:
134: Warning: explode() expects parameter 2 to be string, array given in %s on line %d
135: NULL
136: -- Iteration 11 --
137:
138: Warning: explode() expects parameter 2 to be string, array given in %s on line %d
139: NULL
140: -- Iteration 12 --
141:
142: Warning: explode() expects parameter 2 to be string, array given in %s on line %d
143: NULL
144: -- Iteration 13 --
145: array(1) {
146: [0]=>
147: string(1) "1"
148: }
149: -- Iteration 14 --
150: array(1) {
151: [0]=>
152: string(0) ""
153: }
154: -- Iteration 15 --
155: array(1) {
156: [0]=>
157: string(1) "1"
158: }
159: -- Iteration 16 --
160: array(1) {
161: [0]=>
162: string(0) ""
163: }
164: -- Iteration 17 --
165: array(1) {
166: [0]=>
167: string(0) ""
168: }
169: -- Iteration 18 --
170: array(1) {
171: [0]=>
172: string(0) ""
173: }
174: -- Iteration 19 --
175: array(2) {
176: [0]=>
177: string(6) "sample"
178: [1]=>
179: string(6) "object"
180: }
181: -- Iteration 20 --
182:
183: Warning: explode() expects parameter 2 to be string, resource given in %s on line %d
184: NULL
185: -- Iteration 21 --
186: array(1) {
187: [0]=>
188: string(0) ""
189: }
190: -- Iteration 22 --
191: array(1) {
192: [0]=>
193: string(0) ""
194: }
195: ===DONE===