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--TEST--
Test rsort() function : usage variations - Pass different data types as $sort_flags arg
--FILE--
<?php
/* Prototype : bool rsort(array &$array_arg [, int $sort_flags])
* Description: Sort an array in reverse order
* Source code: ext/standard/array.c
*/
/*
* Pass different data types as $sort_flags argument to rsort() to test behaviour
* Where possible, 'SORT_NUMERIC' has been entered as a string value
*/
echo "*** Testing rsort() : variation ***\n";
// Initialise function arguments not being substituted
$array_arg = array (1, 5, 2, 3, 1);
//get an unset variable
$unset_var = 10;
unset ($unset_var);
// get a class
class classA
{
public function __toString() {
return "SORT_NUMERIC";
}
}
// heredoc string
$heredoc = <<<EOT
SORT_NUMERIC
EOT;
// get a resource variable
$fp = fopen(__FILE__, "r");
// unexpected values to be passed to $sort_flags argument
$inputs = array(
// int data
/*1*/ 0,
1,
12345,
-2345,
// float data
/*5*/ 10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
.5,
// null data
/*10*/ NULL,
null,
// boolean data
/*12*/ true,
false,
TRUE,
FALSE,
// empty data
/*16*/ "",
'',
// string data
/*18*/ "SORT_NUMERIC",
'SORT_NUMERIC',
$heredoc,
// object data
/*21*/ new classA(),
// undefined data
/*22*/ @$undefined_var,
// unset data
/*23*/ @$unset_var,
// resource variable
/*24*/ $fp
);
// loop through each element of $inputs to check the behavior of rsort()
$iterator = 1;
foreach($inputs as $input) {
echo "\n-- Iteration $iterator --\n";
//create temporary array in case rsort() works
$temp = $array_arg;
var_dump( rsort($temp, $input) );
var_dump($temp);
$iterator++;
$temp = null;
};
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing rsort() : variation ***
-- Iteration 1 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 2 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 3 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 4 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 5 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 6 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 7 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 8 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 9 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 10 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 11 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 12 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 13 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 14 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 15 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 16 --
Warning: rsort() expects parameter 2 to be long, string given in %s on line %d
bool(false)
array(5) {
[0]=>
int(1)
[1]=>
int(5)
[2]=>
int(2)
[3]=>
int(3)
[4]=>
int(1)
}
-- Iteration 17 --
Warning: rsort() expects parameter 2 to be long, string given in %s on line %d
bool(false)
array(5) {
[0]=>
int(1)
[1]=>
int(5)
[2]=>
int(2)
[3]=>
int(3)
[4]=>
int(1)
}
-- Iteration 18 --
Warning: rsort() expects parameter 2 to be long, string given in %s on line %d
bool(false)
array(5) {
[0]=>
int(1)
[1]=>
int(5)
[2]=>
int(2)
[3]=>
int(3)
[4]=>
int(1)
}
-- Iteration 19 --
Warning: rsort() expects parameter 2 to be long, string given in %s on line %d
bool(false)
array(5) {
[0]=>
int(1)
[1]=>
int(5)
[2]=>
int(2)
[3]=>
int(3)
[4]=>
int(1)
}
-- Iteration 20 --
Warning: rsort() expects parameter 2 to be long, string given in %s on line %d
bool(false)
array(5) {
[0]=>
int(1)
[1]=>
int(5)
[2]=>
int(2)
[3]=>
int(3)
[4]=>
int(1)
}
-- Iteration 21 --
Warning: rsort() expects parameter 2 to be long, object given in %s on line %d
bool(false)
array(5) {
[0]=>
int(1)
[1]=>
int(5)
[2]=>
int(2)
[3]=>
int(3)
[4]=>
int(1)
}
-- Iteration 22 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 23 --
bool(true)
array(5) {
[0]=>
int(5)
[1]=>
int(3)
[2]=>
int(2)
[3]=>
int(1)
[4]=>
int(1)
}
-- Iteration 24 --
Warning: rsort() expects parameter 2 to be long, resource given in %s on line %d
bool(false)
array(5) {
[0]=>
int(1)
[1]=>
int(5)
[2]=>
int(2)
[3]=>
int(3)
[4]=>
int(1)
}
Done