2 Test arsort() function : usage variations - sort mixed values, 'sort_flags' as default/SORT_REGULAR (OK to fail as result is unpredectable)
5 /* Prototype : bool arsort ( array &$array [, int $sort_flags] )
6 * Description: Sort an array and maintain index association.
7 Elements will be arranged from highest to lowest when this function has completed.
8 * Source code: ext/standard/array.c
12 * testing arsort() by providing mixed value array for $array argument with following flag values.
13 * 1.flag value as default
14 * 2.SORT_REGULAR - compare items normally
17 echo "*** Testing arsort() : usage variations ***\n";
19 // mixed value array with different key values
20 $mixed_values = array (
22 "array2" => array ( "sub_array[2,1]" => array(33,-5,6), "sub_array[2,2]" => array(11),
23 "sub_array[2,3]" => array(22,-55), "sub_array[2,4]" => array()
25 4 => 4, "4" => "4", 4.01 => 4.01, "b" => "b", "5" => "5", -2 => -2, -2.01 => -2.01,
26 -2.98989 => -2.98989, "-.9" => "-.9", "True" => "True", "" => "", NULL => NULL,
27 "ab" => "ab", "abcd" => "abcd", 0.01 => 0.01, -0 => -0, '' => '' ,
28 "abcd\x00abcd\x00abcd" => "abcd\x00abcd\x00abcd", 0.001 => 0.001
31 echo "\n-- Testing arsort() by supplying mixed value array, 'flag' value is default --\n";
32 $temp_array = $mixed_values;
33 var_dump( arsort($temp_array) );
34 var_dump($temp_array);
36 echo "\n-- Testing arsort() by supplying mixed value array, 'flag' value is SORT_REGULAR --\n";
37 $temp_array = $mixed_values;
38 var_dump( arsort($temp_array, SORT_REGULAR) );
39 var_dump($temp_array);
44 *** Testing arsort() : usage variations ***
46 -- Testing arsort() by supplying mixed value array, 'flag' value is default --
81 ["abcd
\0abcd
\0abcd"]=>
82 string(14) "abcd
\0abcd
\0abcd"
103 -- Testing arsort() by supplying mixed value array, 'flag' value is SORT_REGULAR --
138 ["abcd
\0abcd
\0abcd"]=>
139 string(14) "abcd
\0abcd
\0abcd"