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|
--TEST--
Test strrev() function : usage variations - unexpected inputs
--FILE--
<?php
/* Prototype : string strrev(string $str);
* Description: Reverse a string
* Source code: ext/standard/string.c
*/
/* Testing strrev() function with unexpected inputs for 'str' */
echo "*** Testing strrev() : unexpected inputs for 'str' ***\n";
//class declaration
class sample {
public function __toString(){
return "object";
}
}
//get the resource
$resource = fopen(__FILE__, "r");
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//array of values to iterate over
$values = array(
// int data
0,
1,
12345,
-2345,
// float data
10.5,
-10.5,
10.5e10,
10.6E-10,
.5,
// array data
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// null data
NULL,
null,
// boolean data
true,
false,
TRUE,
FALSE,
// empty data
"",
'',
// object data
new sample(),
// resource
$resource,
// undefined data
@$undefined_var,
// unset data
@$unset_var
);
// loop through each element of the array for str
$count = 1;
foreach($values as $value) {
echo "\n-- Iterator $count --\n";
var_dump( strrev($value) );
$count++;
};
fclose($resource); //closing the file handle
echo "*** Done ***";
?>
--EXPECTF--
*** Testing strrev() : unexpected inputs for 'str' ***
-- Iterator 1 --
string(1) "0"
-- Iterator 2 --
string(1) "1"
-- Iterator 3 --
string(5) "54321"
-- Iterator 4 --
string(5) "5432-"
-- Iterator 5 --
string(4) "5.01"
-- Iterator 6 --
string(5) "5.01-"
-- Iterator 7 --
string(12) "000000000501"
-- Iterator 8 --
string(7) "9-E60.1"
-- Iterator 9 --
string(3) "5.0"
-- Iterator 10 --
Warning: strrev() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iterator 11 --
Warning: strrev() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iterator 12 --
Warning: strrev() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iterator 13 --
Warning: strrev() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iterator 14 --
Warning: strrev() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iterator 15 --
string(0) ""
-- Iterator 16 --
string(0) ""
-- Iterator 17 --
string(1) "1"
-- Iterator 18 --
string(0) ""
-- Iterator 19 --
string(1) "1"
-- Iterator 20 --
string(0) ""
-- Iterator 21 --
string(0) ""
-- Iterator 22 --
string(0) ""
-- Iterator 23 --
string(6) "tcejbo"
-- Iterator 24 --
Warning: strrev() expects parameter 1 to be string, resource given in %s on line %d
NULL
-- Iterator 25 --
string(0) ""
-- Iterator 26 --
string(0) ""
*** Done ***
|
