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|
--TEST--
Test strrchr() function : usage variations - unexpected inputs for needle
--FILE--
<?php
/* Prototype : string strrchr(string $haystack, string $needle);
* Description: Finds the last occurrence of a character in a string.
* Source code: ext/standard/string.c
*/
/* Test strrchr() function: with unexpected inputs for needle
* and expected type for haystack
*/
echo "*** Testing strrchr() function with unexpected inputs for needle ***\n";
// get an unset variable
$unset_var = 'string_val';
unset($unset_var);
// declaring a class
class sample {
public function __toString() {
return "object";
}
}
//getting the resource
$file_handle = fopen(__FILE__, "r");
$haystacks = array (
//integer numeric strings
"0",
"1",
"2",
"-2",
//float numeric strings
"10.5",
"-10.5",
"10.5e10",
"10.6E-10",
".5",
//regular strings
"array",
"a",
"r",
"y",
"ay",
"true",
"false",
"TRUE",
"FALSE",
"NULL",
"null",
"object",
//empty string
"",
'',
//resource variable in string form
"\$file_handle",
//undefined variable in string form
@"$undefined_var",
@"$unset_var"
);
// array with different values
$needles = array (
// integer values
0,
1,
12345,
-2345,
// float values
10.5,
-10.5,
10.1234567e10,
10.7654321E-10,
.5,
// array values
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// boolean values
true,
false,
TRUE,
FALSE,
// null values
NULL,
null,
// objects
new sample(),
// empty string
"",
'',
// resource
$file_handle,
// undefined variable
@$undefined_var,
// unset variable
@$unset_var
);
// loop through each element of the array and check the working of strrchr()
$count = 1;
for($index = 0; $index < count($haystacks); $index++) {
echo "-- Iteration $count --\n";
try {
var_dump( strrchr($haystacks[$index], $needles[$index]) );
} catch (TypeError $e) {
echo $e->getMessage(), "\n";
}
$count ++;
}
fclose($file_handle); //closing the file handle
echo "*** Done ***";
?>
--EXPECT--
*** Testing strrchr() function with unexpected inputs for needle ***
-- Iteration 1 --
string(1) "0"
-- Iteration 2 --
string(1) "1"
-- Iteration 3 --
bool(false)
-- Iteration 4 --
string(2) "-2"
-- Iteration 5 --
string(4) "10.5"
-- Iteration 6 --
string(5) "-10.5"
-- Iteration 7 --
string(2) "10"
-- Iteration 8 --
string(2) "10"
-- Iteration 9 --
bool(false)
-- Iteration 10 --
strrchr() expects parameter 2 to be string, array given
-- Iteration 11 --
strrchr() expects parameter 2 to be string, array given
-- Iteration 12 --
strrchr() expects parameter 2 to be string, array given
-- Iteration 13 --
strrchr() expects parameter 2 to be string, array given
-- Iteration 14 --
strrchr() expects parameter 2 to be string, array given
-- Iteration 15 --
bool(false)
-- Iteration 16 --
bool(false)
-- Iteration 17 --
bool(false)
-- Iteration 18 --
bool(false)
-- Iteration 19 --
bool(false)
-- Iteration 20 --
bool(false)
-- Iteration 21 --
string(6) "object"
-- Iteration 22 --
bool(false)
-- Iteration 23 --
bool(false)
-- Iteration 24 --
strrchr() expects parameter 2 to be string, resource given
-- Iteration 25 --
bool(false)
-- Iteration 26 --
bool(false)
*** Done ***
|
