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|
--TEST--
Test array_rand() function : usage variations - unexpected values for 'num_req' parameter
--FILE--
<?php
/* Prototype : mixed array_rand(array input [, int num_req])
* Description: Return key/keys for random entry/entries in the array
* Source code: ext/standard/array.c
*/
/*
* Test array_rand() with different types of values other than int passed to 'num_req' argument
* to see that function works with unexpeced data and generates warning message as required.
*/
echo "*** Testing array_rand() : unexpected values for 'num_req' parameter ***\n";
// Initialise function arguments
$input = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13);
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//define a class
class test
{
var $t = 10;
function __toString()
{
return "3object";
}
}
//array of values to iterate over
$values = array(
// int data
/*1*/ 0,
1,
12345,
-2345,
// float data
/*5*/ 10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
.5,
// null data
/*10*/ NULL,
null,
// boolean data
/*12*/ true,
false,
TRUE,
FALSE,
// empty data
/*16*/ "",
'',
// string data
/*18*/ "string",
'string',
// object data
/*20*/ new test(),
// undefined data
/*21*/ @$undefined_var,
// unset data
/*22*/ @$unset_var,
);
// loop through each element of the array for different values for 'num_req' argument
$count = 1;
foreach($values as $value) {
echo "\n-- Iteration $count --\n";
var_dump( array_rand($input,$value) );
$count++;
};
echo "Done";
?>
--EXPECTF--
*** Testing array_rand() : unexpected values for 'num_req' parameter ***
-- Iteration 1 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 2 --
int(%d)
-- Iteration 3 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 4 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 5 --
array(10) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
[3]=>
int(%d)
[4]=>
int(%d)
[5]=>
int(%d)
[6]=>
int(%d)
[7]=>
int(%d)
[8]=>
int(%d)
[9]=>
int(%d)
}
-- Iteration 6 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 7 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 8 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 9 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 10 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 11 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 12 --
int(%d)
-- Iteration 13 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 14 --
int(%d)
-- Iteration 15 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 16 --
Warning: array_rand() expects parameter 2 to be long, string given in %s on line %d
NULL
-- Iteration 17 --
Warning: array_rand() expects parameter 2 to be long, string given in %s on line %d
NULL
-- Iteration 18 --
Warning: array_rand() expects parameter 2 to be long, string given in %s on line %d
NULL
-- Iteration 19 --
Warning: array_rand() expects parameter 2 to be long, string given in %s on line %d
NULL
-- Iteration 20 --
Warning: array_rand() expects parameter 2 to be long, object given in %s on line %d
NULL
-- Iteration 21 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
-- Iteration 22 --
Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
NULL
Done
|
