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--TEST--
Test array_rand() function : usage variations - unexpected values for 'input' 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 arrays passed to the 'input' parameter
* to see that function works with unexpeced data and generates warning message as required.
*/
echo "*** Testing array_rand() : unexpected values for 'input' parameter ***\n";
// Initialise function arguments
$num_req = 10;
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//get a resource variable
$fp = fopen(__FILE__, "r");
//define a class
class test
{
var $t = 10;
function __toString()
{
return "object";
}
}
//array of different values for 'input' parameter
$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(),
// resource data
/*21*/ $fp,
// undefined data
/*22*/ @$undefined_var,
// unset data
/*23*/ @$unset_var,
);
/* loop through each element of the array to test array_rand() function
* for different values for 'input' argument
*/
$count = 1;
foreach($values as $value) {
echo "\n-- Iteration $count --\n";
var_dump( array_rand($value,$num_req) );
$count++;
};
// closing the resource
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing array_rand() : unexpected values for 'input' parameter ***
-- Iteration 1 --
Warning: array_rand() expects parameter 1 to be array, integer given in %s on line %d
NULL
-- Iteration 2 --
Warning: array_rand() expects parameter 1 to be array, integer given in %s on line %d
NULL
-- Iteration 3 --
Warning: array_rand() expects parameter 1 to be array, integer given in %s on line %d
NULL
-- Iteration 4 --
Warning: array_rand() expects parameter 1 to be array, integer given in %s on line %d
NULL
-- Iteration 5 --
Warning: array_rand() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 6 --
Warning: array_rand() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 7 --
Warning: array_rand() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 8 --
Warning: array_rand() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 9 --
Warning: array_rand() expects parameter 1 to be array, double given in %s on line %d
NULL
-- Iteration 10 --
Warning: array_rand() expects parameter 1 to be array, null given in %s on line %d
NULL
-- Iteration 11 --
Warning: array_rand() expects parameter 1 to be array, null given in %s on line %d
NULL
-- Iteration 12 --
Warning: array_rand() expects parameter 1 to be array, boolean given in %s on line %d
NULL
-- Iteration 13 --
Warning: array_rand() expects parameter 1 to be array, boolean given in %s on line %d
NULL
-- Iteration 14 --
Warning: array_rand() expects parameter 1 to be array, boolean given in %s on line %d
NULL
-- Iteration 15 --
Warning: array_rand() expects parameter 1 to be array, boolean given in %s on line %d
NULL
-- Iteration 16 --
Warning: array_rand() expects parameter 1 to be array, string given in %s on line %d
NULL
-- Iteration 17 --
Warning: array_rand() expects parameter 1 to be array, string given in %s on line %d
NULL
-- Iteration 18 --
Warning: array_rand() expects parameter 1 to be array, string given in %s on line %d
NULL
-- Iteration 19 --
Warning: array_rand() expects parameter 1 to be array, string given in %s on line %d
NULL
-- Iteration 20 --
Warning: array_rand() expects parameter 1 to be array, object given in %s on line %d
NULL
-- Iteration 21 --
Warning: array_rand() expects parameter 1 to be array, resource given in %s on line %d
NULL
-- Iteration 22 --
Warning: array_rand() expects parameter 1 to be array, null given in %s on line %d
NULL
-- Iteration 23 --
Warning: array_rand() expects parameter 1 to be array, null given in %s on line %d
NULL
Done