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83 lines
1.9 KiB
PHP
83 lines
1.9 KiB
PHP
--TEST--
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Test uasort() function : usage variations - different associative arrays
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--FILE--
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<?php
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/* Prototype : bool uasort(array $array_arg, string $cmp_function)
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* Description: Sort an array with a user-defined comparison function and maintain index association
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* Source code: ext/standard/array.c
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*/
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/* Testing uasort() with different associative arrays having keys as
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* string, integer, default & duplicate keys
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*/
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echo "*** Testing uasort() : sorting different associative arrays ***\n";
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// comparison function
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/* Prototype : int cmp(mixed $value1, mixed $value2)
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* Parameters : $value1 and $value2 - values to be compared
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* Return value : 0 - if both values are same
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* 1 - if value1 is greater than value2
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* -1 - if value1 is less than value2
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* Description : compares value1 and value2
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*/
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function cmp($value1, $value2)
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{
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if($value1 == $value2) {
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return 0;
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}
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else if($value1 > $value2) {
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return 1;
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}
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else
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return -1;
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}
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// Array with duplicate string and integer keys
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$array_arg = array(0 => 2, "a" => 8, "d" => 9, 3 => 3, 5 => 2, "o" => 6, "z" => -99, 0 => 1, "z" => 3);
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echo "-- Array with duplicate keys --\n";
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var_dump( uasort($array_arg, 'cmp') );
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var_dump($array_arg);
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// Array with default and assigned keys
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$array_arg = array(0 => "Banana", 1 => "Mango", "Orange", 2 => "Apple", "Pineapple");
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echo "-- Array with default/assigned keys --\n";
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var_dump( uasort($array_arg, 'cmp') );
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var_dump($array_arg);
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echo "Done"
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?>
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--EXPECTF--
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*** Testing uasort() : sorting different associative arrays ***
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-- Array with duplicate keys --
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bool(true)
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array(7) {
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[0]=>
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int(1)
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[5]=>
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int(2)
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["z"]=>
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int(3)
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[3]=>
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int(3)
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["o"]=>
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int(6)
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["a"]=>
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int(8)
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["d"]=>
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int(9)
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}
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-- Array with default/assigned keys --
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bool(true)
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array(4) {
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[2]=>
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string(5) "Apple"
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[0]=>
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string(6) "Banana"
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[1]=>
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string(5) "Mango"
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[3]=>
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string(9) "Pineapple"
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}
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Done
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