1--TEST--
2Test strtr() function : usage variations - unexpected inputs for 'from' argument
3--FILE--
4<?php
5/* Prototype  : string strtr(string $str, string $from[, string $to]);
6                string strtr(string $str, array $replace_pairs);
7 * Description: Translates characters in str using given translation tables
8 * Source code: ext/standard/string.c
9*/
10
11/* Test strtr() function: with unexpected inputs for 'from'
12 *  and expected type for 'str' & 'to' arguments
13*/
14
15echo "*** Testing strtr() function: with unexpected inputs for 'from' ***\n";
16
17//get an unset variable
18$unset_var = 'string_val';
19unset($unset_var);
20
21//defining a class
22class sample  {
23  public function __toString() {
24    return "sample object";
25  }
26}
27
28//getting the resource
29$file_handle = fopen(__FILE__, "r");
30
31//defining 'str' argument
32$str = "012atm";
33
34// array of values for 'from'
35$from_arr =  array (
36
37		  // integer values
38/*1*/	  0,
39		  1,
40		  -2,
41
42		  // float values
43/*4*/	  10.5,
44		  -20.5,
45		  10.1234567e10,
46
47		  // array values
48/*7*/	  array(),
49		  array(0),
50		  array(1, 2),
51
52		  // boolean values
53/*10*/	  true,
54		  false,
55		  TRUE,
56		  FALSE,
57
58		  // null vlaues
59/*14*/	  NULL,
60		  null,
61
62		  // objects
63/*16*/	  new sample(),
64
65		  // resource
66/*17*/	  $file_handle,
67
68		  // undefined variable
69/*18*/	  @$undefined_var,
70
71		  // unset variable
72/*19*/	  @$unset_var
73);
74
75//defining 'to' argument
76$to = "atm012";
77
78// loop through with each element of the $from array to test strtr() function
79$count = 1;
80for($index = 0; $index < count($from_arr); $index++) {
81  echo "-- Iteration $count --\n";
82  $from = $from_arr[$index];
83  var_dump( strtr($str, $from, $to) );
84  $count ++;
85}
86
87fclose($file_handle);  //closing the file handle
88?>
89===DONE===
90--EXPECTF--
91*** Testing strtr() function: with unexpected inputs for 'from' ***
92-- Iteration 1 --
93string(6) "a12atm"
94-- Iteration 2 --
95string(6) "0a2atm"
96-- Iteration 3 --
97string(6) "01tatm"
98-- Iteration 4 --
99string(6) "ta2atm"
100-- Iteration 5 --
101string(6) "m1tatm"
102-- Iteration 6 --
103string(6) "tm0atm"
104-- Iteration 7 --
105
106Notice: Array to string conversion in %s on line %d
107string(6) "0120tm"
108-- Iteration 8 --
109
110Notice: Array to string conversion in %s on line %d
111string(6) "0120tm"
112-- Iteration 9 --
113
114Notice: Array to string conversion in %s on line %d
115string(6) "0120tm"
116-- Iteration 10 --
117string(6) "0a2atm"
118-- Iteration 11 --
119string(6) "012atm"
120-- Iteration 12 --
121string(6) "0a2atm"
122-- Iteration 13 --
123string(6) "012atm"
124-- Iteration 14 --
125string(6) "012atm"
126-- Iteration 15 --
127string(6) "012atm"
128-- Iteration 16 --
129string(6) "012ttm"
130-- Iteration 17 --
131string(6) "012atm"
132-- Iteration 18 --
133string(6) "012atm"
134-- Iteration 19 --
135string(6) "012atm"
136===DONE===
137