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--TEST--
Test strrpos() function : usage variations - unexpected inputs for 'offset' argument
--FILE--
<?php
/* Prototype : int strrpos ( string $haystack, string $needle [, int $offset] );
* Description: Find position of last occurrence of 'needle' in 'haystack'.
* Source code: ext/standard/string.c
*/
/* Test strrpos() function with unexpected inputs for 'offset' argument */
echo "*** Testing strrpos() function: with unexpected values for offset ***\n";
// get an unset variable
$unset_var = 'string_val';
unset($unset_var);
// defining a class
class sample {
public function __toString() {
return "object";
}
}
//getting the resource
$file_handle = fopen(__FILE__, "r");
//definition of input args
$haystack = "hello world";
$needle = "world";
// array with different values
$offsets = array (
// float values
1.5,
-1.5,
1.5e10,
1.6E-10,
.5,
// array values
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// boolean values
true,
false,
TRUE,
FALSE,
// objects
new sample(),
// empty string
"",
'',
// null vlaues
NULL,
null,
//resource
$file_handle,
// undefined variable
@$undefined_var,
// unset variable
@$unset_var
);
// loop through each element of the array and check the working of strrpos()
$counter = 1;
for($index = 0; $index < count($offsets); $index ++) {
echo "-- Iteration $counter --\n";
var_dump( strrpos($haystack, $needle, $offsets[$index]) );
$counter ++;
}
echo "*** Done ***";
?>
--EXPECTF--
*** Testing strrpos() function: with unexpected values for offset ***
-- Iteration 1 --
int(6)
-- Iteration 2 --
int(6)
-- Iteration 3 --
Warning: strrpos(): Offset is greater than the length of haystack string in %s on line %d
bool(false)
-- Iteration 4 --
int(6)
-- Iteration 5 --
int(6)
-- Iteration 6 --
Warning: strrpos() expects parameter 3 to be long, array given in %s on line %d
bool(false)
-- Iteration 7 --
Warning: strrpos() expects parameter 3 to be long, array given in %s on line %d
bool(false)
-- Iteration 8 --
Warning: strrpos() expects parameter 3 to be long, array given in %s on line %d
bool(false)
-- Iteration 9 --
Warning: strrpos() expects parameter 3 to be long, array given in %s on line %d
bool(false)
-- Iteration 10 --
Warning: strrpos() expects parameter 3 to be long, array given in %s on line %d
bool(false)
-- Iteration 11 --
int(6)
-- Iteration 12 --
int(6)
-- Iteration 13 --
int(6)
-- Iteration 14 --
int(6)
-- Iteration 15 --
Warning: strrpos() expects parameter 3 to be long, object given in %s on line %d
bool(false)
-- Iteration 16 --
Warning: strrpos() expects parameter 3 to be long, string given in %s on line %d
bool(false)
-- Iteration 17 --
Warning: strrpos() expects parameter 3 to be long, string given in %s on line %d
bool(false)
-- Iteration 18 --
int(6)
-- Iteration 19 --
int(6)
-- Iteration 20 --
Warning: strrpos() expects parameter 3 to be long, resource given in %s on line %d
bool(false)
-- Iteration 21 --
int(6)
-- Iteration 22 --
int(6)
*** Done ***