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--TEST--
Test arsort() function : usage variations - unexpected values for 'sort_flags' argument
--FILE--
<?php
/* Prototype : proto bool arsort(array &array_arg [, int sort_flags])
* Description: Sort an array and maintain index association
Elements will be arranged from highest to lowest when this function has completed.
* Source code: ext/standard/array.c
*/
/*
* Testing arsort() by providing different unexpected values for flag argument
*/
echo "*** Testing arsort() : usage variations ***\n";
//get an unset variable
$unset_var = 10;
unset ($unset_var);
// resource variable
$fp = fopen(__FILE__, "r");
// temperory array for checking unexpected behavior
$unsorted_values = array(1 => 10, 2 => 2, 3 => 45);
//array of values to iterate over
$unexpected_values = array(
// int data
/*1*/ -2345,
// float data
/*2*/ 10.5,
-10.5,
10.5e2,
10.6E-2,
.5,
// null data
/*7*/ NULL,
null,
// boolean data
/*9*/ true,
false,
TRUE,
FALSE,
// empty data
/*13*/ "",
'',
// string data
/*15*/ "string",
'string',
// object data
/*16*/ new stdclass(),
// undefined data
/*17*/ @undefined_var,
// unset data
/*18*/ @unset_var,
// resource variable
/*19*/ $fp
);
// loop though each element of the array and check the working of arsort()
// when $flag argument is supplied with different values from $unexpected_values
echo "\n-- Testing arsort() by supplying different unexpected values for 'sort_flags' argument --\n";
$counter = 1;
for($index = 0; $index < count($unexpected_values); $index ++) {
echo "-- Iteration $counter --\n";
$value = $unexpected_values [$index];
$temp_array = $unsorted_values;
var_dump( arsort($temp_array, $value) );
var_dump($temp_array);
$counter++;
}
echo "Done";
?>
--EXPECTF--
*** Testing arsort() : usage variations ***
-- Testing arsort() by supplying different unexpected values for 'sort_flags' argument --
-- Iteration 1 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 2 --
bool(true)
array(3) {
[3]=>
int(45)
[2]=>
int(2)
[1]=>
int(10)
}
-- Iteration 3 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 4 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 5 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 6 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 7 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 8 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 9 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 10 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 11 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 12 --
bool(true)
array(3) {
[3]=>
int(45)
[1]=>
int(10)
[2]=>
int(2)
}
-- Iteration 13 --
Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
bool(false)
array(3) {
[1]=>
int(10)
[2]=>
int(2)
[3]=>
int(45)
}
-- Iteration 14 --
Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
bool(false)
array(3) {
[1]=>
int(10)
[2]=>
int(2)
[3]=>
int(45)
}
-- Iteration 15 --
Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
bool(false)
array(3) {
[1]=>
int(10)
[2]=>
int(2)
[3]=>
int(45)
}
-- Iteration 16 --
Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
bool(false)
array(3) {
[1]=>
int(10)
[2]=>
int(2)
[3]=>
int(45)
}
-- Iteration 17 --
Warning: arsort() expects parameter 2 to be long, object given in %sarsort_variation2.php on line %d
bool(false)
array(3) {
[1]=>
int(10)
[2]=>
int(2)
[3]=>
int(45)
}
-- Iteration 18 --
Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
bool(false)
array(3) {
[1]=>
int(10)
[2]=>
int(2)
[3]=>
int(45)
}
-- Iteration 19 --
Warning: arsort() expects parameter 2 to be long, string given in %sarsort_variation2.php on line %d
bool(false)
array(3) {
[1]=>
int(10)
[2]=>
int(2)
[3]=>
int(45)
}
-- Iteration 20 --
Warning: arsort() expects parameter 2 to be long, resource given in %sarsort_variation2.php on line %d
bool(false)
array(3) {
[1]=>
int(10)
[2]=>
int(2)
[3]=>
int(45)
}
Done
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