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--TEST--
Test uasort() function : usage variations - unexpected values for 'array_arg' argument
--FILE--
<?php
/* Prototype : bool uasort(array $array_arg, string $cmp_function)
* Description: Sort an array with a user-defined comparison function and maintain index association
* Source code: ext/standard/array.c
*/
/*
* Testing uasort() function by passing different scalar/nonscalar values as 'array_arg' argument
*/
echo "*** Testing uasort() : unexpected values for 'array_arg' ***\n";
// Comparison function
/* Prototype : int cmp_function(mixed $value1, mixed $value2)
* Parameters : $value1 and $value2 - values to be compared
* Return value : 0 - if both values are same
* 1 - if value1 is greater than value2
* -1 - if value1 is less than value2
* Description : compares value1 and value2
*/
function cmp_function($value1, $value2)
{
if($value1 == $value2) {
return 0;
}
else if($value1 > $value2) {
return 1;
}
else {
return -1;
}
}
//get an unset variable
$unset_var = 10;
unset ($unset_var);
// get resource variable
$fp = fopen(__FILE__,'r');
//array of values to iterate over
$input_values = array(
// int data
/*1*/ 0,
1,
12345,
-2345,
// float data
/*5*/ 10.5,
-10.5,
10.1234567e8,
10.7654321E-8,
.5,
// null data
/*10*/ NULL,
null,
// boolean data
/*12*/ true,
false,
TRUE,
FALSE,
// empty data
/*16*/ "",
'',
// string data
/*18*/ "string",
'string',
// resource data
/*20*/ $fp,
// undefined data
@$undefined_var,
// unset data
/*22*/ @$unset_var,
);
// loop through each value of input_values
for($count = 0; $count < count($input_values); $count++) {
echo "-- Iteration ".($count + 1)." --\n";
var_dump( uasort($input_values[$count], 'cmp_function') );
};
//closing resource
fclose($fp);
echo "Done"
?>
--EXPECTF--
*** Testing uasort() : unexpected values for 'array_arg' ***
-- Iteration 1 --
Warning: uasort() expects parameter 1 to be array, integer given in %s on line %d
NULL
-- Iteration 2 --
Warning: uasort() expects parameter 1 to be array, integer given in %s on line %d
NULL
-- Iteration 3 --
Warning: uasort() expects parameter 1 to be array, integer given in %s on line %d
NULL
-- Iteration 4 --
Warning: uasort() expects parameter 1 to be array, integer given in %s on line %d
NULL
-- Iteration 5 --
Warning: uasort() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 6 --
Warning: uasort() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 7 --
Warning: uasort() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 8 --
Warning: uasort() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 9 --
Warning: uasort() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 10 --
Warning: uasort() expects parameter 1 to be array, null given in %s on line %d
NULL
-- Iteration 11 --
Warning: uasort() expects parameter 1 to be array, null given in %s on line %d
NULL
-- Iteration 12 --
Warning: uasort() expects parameter 1 to be array, boolean given in %s on line %d
NULL
-- Iteration 13 --
Warning: uasort() expects parameter 1 to be array, boolean given in %s on line %d
NULL
-- Iteration 14 --
Warning: uasort() expects parameter 1 to be array, boolean given in %s on line %d
NULL
-- Iteration 15 --
Warning: uasort() expects parameter 1 to be array, boolean given in %s on line %d
NULL
-- Iteration 16 --
Warning: uasort() expects parameter 1 to be array, string given in %s on line %d
NULL
-- Iteration 17 --
Warning: uasort() expects parameter 1 to be array, string given in %s on line %d
NULL
-- Iteration 18 --
Warning: uasort() expects parameter 1 to be array, string given in %s on line %d
NULL
-- Iteration 19 --
Warning: uasort() expects parameter 1 to be array, string given in %s on line %d
NULL
-- Iteration 20 --
Warning: uasort() expects parameter 1 to be array, resource given in %s on line %d
NULL
-- Iteration 21 --
Warning: uasort() expects parameter 1 to be array, null given in %s on line %d
NULL
-- Iteration 22 --
Warning: uasort() expects parameter 1 to be array, null given in %s on line %d
NULL
Done