1--TEST--
2Test chop() function : usage variations  - unexpected values for str argument
3--FILE--
4<?php
5/* Prototype  : string chop ( string $str [, string $charlist] )
6 * Description: Strip whitespace (or other characters) from the end of a string
7 * Source code: ext/standard/string.c
8*/
9
10/*
11 * Testing chop() : with different unexpected values for $str argument passed to the function
12*/
13
14echo "*** Testing chop() : with unexpected values for str argument ***\n";
15// initialize all required variables
16
17$charlist = " @#$%1234567890";
18// get an unset variable
19$unset_var = 'string_val';
20unset($unset_var);
21
22// declaring class
23class sample  {
24  public function __toString() {
25    return " @#$%Object @#$%";
26  }
27}
28$sample_obj = new sample;
29
30// creating a file resource
31$file_handle = fopen(__FILE__, 'r');
32
33// array with different values
34$values =  array (
35
36  // integer values
37  0,
38  1,
39  12345,
40  -2345,
41
42  // float values
43  10.5,
44  -10.5,
45  10.1234567e10,
46  10.7654321E-10,
47  .5,
48
49  // array values
50  array(),
51  array(0),
52  array(1),
53  array(1, 2),
54  array('color' => 'red', 'item' => 'pen'),
55
56  // boolean values
57  true,
58  false,
59  TRUE,
60  FALSE,
61
62  // empty string
63  "",
64  '',
65
66  // null values
67  NULL,
68  null,
69
70  // undefined variable
71  $undefined_var,
72
73  // unset variable
74  $unset_var,
75
76  // object
77  $sample_obj,
78
79  // resource
80  $file_handle
81);
82
83
84// loop through each element of the array and check the working of chop()
85// when $str argument is supplied with different values
86
87echo "\n--- Testing chop() by supplying different values for 'str' argument ---\n";
88$counter = 1;
89for($index = 0; $index < count($values); $index ++) {
90  echo "-- Iteration $counter --\n";
91  $str = $values [$index];
92
93  var_dump( chop($str) );
94  var_dump( chop($str, $charlist) );
95
96  $counter ++;
97}
98
99// closing the resource
100fclose( $file_handle);
101
102echo "Done\n";
103?>
104--EXPECTF--
105*** Testing chop() : with unexpected values for str argument ***
106
107Notice: Undefined variable: undefined_var in %s on line %d
108
109Notice: Undefined variable: unset_var in %s on line %d
110
111--- Testing chop() by supplying different values for 'str' argument ---
112-- Iteration 1 --
113string(1) "0"
114string(0) ""
115-- Iteration 2 --
116string(1) "1"
117string(0) ""
118-- Iteration 3 --
119string(5) "12345"
120string(0) ""
121-- Iteration 4 --
122string(5) "-2345"
123string(1) "-"
124-- Iteration 5 --
125string(4) "10.5"
126string(3) "10."
127-- Iteration 6 --
128string(5) "-10.5"
129string(4) "-10."
130-- Iteration 7 --
131string(12) "101234567000"
132string(0) ""
133-- Iteration 8 --
134string(13) "1.07654321E-9"
135string(12) "1.07654321E-"
136-- Iteration 9 --
137string(3) "0.5"
138string(2) "0."
139-- Iteration 10 --
140
141Warning: chop() expects parameter 1 to be string, array given in %s on line %d
142NULL
143
144Warning: chop() expects parameter 1 to be string, array given in %s on line %d
145NULL
146-- Iteration 11 --
147
148Warning: chop() expects parameter 1 to be string, array given in %s on line %d
149NULL
150
151Warning: chop() expects parameter 1 to be string, array given in %s on line %d
152NULL
153-- Iteration 12 --
154
155Warning: chop() expects parameter 1 to be string, array given in %s on line %d
156NULL
157
158Warning: chop() expects parameter 1 to be string, array given in %s on line %d
159NULL
160-- Iteration 13 --
161
162Warning: chop() expects parameter 1 to be string, array given in %s on line %d
163NULL
164
165Warning: chop() expects parameter 1 to be string, array given in %s on line %d
166NULL
167-- Iteration 14 --
168
169Warning: chop() expects parameter 1 to be string, array given in %s on line %d
170NULL
171
172Warning: chop() expects parameter 1 to be string, array given in %s on line %d
173NULL
174-- Iteration 15 --
175string(1) "1"
176string(0) ""
177-- Iteration 16 --
178string(0) ""
179string(0) ""
180-- Iteration 17 --
181string(1) "1"
182string(0) ""
183-- Iteration 18 --
184string(0) ""
185string(0) ""
186-- Iteration 19 --
187string(0) ""
188string(0) ""
189-- Iteration 20 --
190string(0) ""
191string(0) ""
192-- Iteration 21 --
193string(0) ""
194string(0) ""
195-- Iteration 22 --
196string(0) ""
197string(0) ""
198-- Iteration 23 --
199string(0) ""
200string(0) ""
201-- Iteration 24 --
202string(0) ""
203string(0) ""
204-- Iteration 25 --
205string(16) " @#$%Object @#$%"
206string(11) " @#$%Object"
207-- Iteration 26 --
208
209Warning: chop() expects parameter 1 to be string, resource given in %s on line %d
210NULL
211
212Warning: chop() expects parameter 1 to be string, resource given in %s on line %d
213NULL
214Done
215