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--TEST--
Test array_sum() function : usage variations - 'input' array with unexpected values as array element
--FILE--
<?php
/* Prototype : mixed array_sum(array $input)
* Description: Returns the sum of the array entries
* Source code: ext/standard/array.c
*/
/*
* Testing array_sum() with array having other than numeric entries
* strings, bool, null, subarrays & objects
*/
echo "*** Testing array_sum() : array with unexpected entries ***\n";
// empty array
$input = array();
echo "-- empty array --\n";
var_dump( array_sum($input) );
// string array
$input = array('Apple', 'Banana', 'Carrot', 'Mango', 'Orange');
echo "-- array with string values --\n";
var_dump( array_sum($input) );
// bool array
$input = array( true, true, false, true, false);
echo "-- array with bool values --\n";
var_dump( array_sum($input) );
// array with null entry
$input = array(null, NULL);
echo "-- array with null values --\n";
var_dump( array_sum($input) );
// array with subarray
$input = array(
array(1, 2),
array(),
array(0)
);
echo "-- array with subarrays --\n";
var_dump( array_sum($input) );
class MyClass
{
public $value;
public function __construct($value)
{
$this->value = $value;
}
}
// array of objects
$input = array(
new MyClass(2),
new MyClass(5),
new MyClass(10),
new MyClass(0)
);
echo "-- array with object values --\n";
var_dump( array_sum($input) );
// Mixed values
$input = array( 5, -8, 7.2, -1.2, "10", "apple", 'Mango', true, false, null, NULL, array( array(1,2), array(0), array()));
echo "-- array with mixed values --\n";
var_dump( array_sum($input) );
echo "Done"
?>
--EXPECTF--
*** Testing array_sum() : array with unexpected entries ***
-- empty array --
int(0)
-- array with string values --
int(0)
-- array with bool values --
int(3)
-- array with null values --
int(0)
-- array with subarrays --
int(0)
-- array with object values --
int(0)
-- array with mixed values --
float(14)
Done
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