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- --TEST--
- Test array_reverse() function : usage variations - assoc. array with diff. keys for 'array' argument
- --FILE--
- <?php
- /* Prototype : array array_reverse(array $array [, bool $preserve_keys])
- * Description: Return input as a new array with the order of the entries reversed
- * Source code: ext/standard/array.c
- */
- /*
- * Testing the functionality of array_reverse() by giving associative arrays with different
- * keys for $array argument
- */
- echo "*** Testing array_reverse() : usage variations ***\n";
- //get an unset variable
- $unset_var = 10;
- unset ($unset_var);
- //get a resource variable
- $fp = fopen(__FILE__, "r");
- //get a class
- class classA{
- public function __toString(){
- return "Class A object";
- }
- }
- // get a heredoc string
- $heredoc = <<<EOT
- Hello world
- EOT;
- // initializing the array
- $arrays = array (
- // empty array
- /*1*/ array(),
- // arrays with integer keys
- array(0 => "0"),
- array(1 => "1"),
- array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
-
- // arrays with float keys
- /*5*/ array(2.3333 => "float"),
- array(1.2 => "f1", 3.33 => "f2", 4.89999922839999 => "f3", 33333333.333333 => "f4"),
-
- // arrays with string keys
- array("\tHello" => 111, "re\td" => "color", "\v\fworld" => 2.2, "pen\n" => 33),
- /*8*/ array("\tHello" => 111, "re\td" => "color", "\v\fworld" => 2.2, "pen\n" => 33),
- array("hello", $heredoc => "string"), // heredoc
- // array with object, unset variable and resource variable
- array(new classA() => 11, @$unset_var => "hello", $fp => 'resource'),
- // array with mixed values
- /*11*/ array('hello' => 1, new classA() => 2, "fruit" => 2.2, $fp => 'resource', 133 => "int", 444.432 => "float", @$unset_var => "unset", $heredoc => "heredoc")
- );
- // loop through the various elements of $arrays to test array_reverse()
- $iterator = 1;
- foreach($arrays as $array) {
- echo "-- Iteration $iterator --\n";
- // with default argument
- echo "- default argument -\n";
- var_dump( array_reverse($array) );
- // with $preserve_keys argument
- echo "- \$preserve keys = true -\n";
- var_dump( array_reverse($array, true) );
- echo "- \$preserve_keys = false -\n";
- var_dump( array_reverse($array, false) );
- $iterator++;
- };
- // close the file resource used
- fclose($fp);
- echo "Done";
- ?>
- --EXPECTF--
- *** Testing array_reverse() : usage variations ***
- Warning: Illegal offset type in %s on line %d
- Warning: Illegal offset type in %s on line %d
- Warning: Illegal offset type in %s on line %d
- Warning: Illegal offset type in %s on line %d
- -- Iteration 1 --
- - default argument -
- array(0) {
- }
- - $preserve keys = true -
- array(0) {
- }
- - $preserve_keys = false -
- array(0) {
- }
- -- Iteration 2 --
- - default argument -
- array(1) {
- [0]=>
- string(1) "0"
- }
- - $preserve keys = true -
- array(1) {
- [0]=>
- string(1) "0"
- }
- - $preserve_keys = false -
- array(1) {
- [0]=>
- string(1) "0"
- }
- -- Iteration 3 --
- - default argument -
- array(1) {
- [0]=>
- string(1) "1"
- }
- - $preserve keys = true -
- array(1) {
- [1]=>
- string(1) "1"
- }
- - $preserve_keys = false -
- array(1) {
- [0]=>
- string(1) "1"
- }
- -- Iteration 4 --
- - default argument -
- array(4) {
- [0]=>
- string(1) "4"
- [1]=>
- string(1) "3"
- [2]=>
- string(1) "2"
- [3]=>
- string(1) "1"
- }
- - $preserve keys = true -
- array(4) {
- [4]=>
- string(1) "4"
- [3]=>
- string(1) "3"
- [2]=>
- string(1) "2"
- [1]=>
- string(1) "1"
- }
- - $preserve_keys = false -
- array(4) {
- [0]=>
- string(1) "4"
- [1]=>
- string(1) "3"
- [2]=>
- string(1) "2"
- [3]=>
- string(1) "1"
- }
- -- Iteration 5 --
- - default argument -
- array(1) {
- [0]=>
- string(5) "float"
- }
- - $preserve keys = true -
- array(1) {
- [2]=>
- string(5) "float"
- }
- - $preserve_keys = false -
- array(1) {
- [0]=>
- string(5) "float"
- }
- -- Iteration 6 --
- - default argument -
- array(4) {
- [0]=>
- string(2) "f4"
- [1]=>
- string(2) "f3"
- [2]=>
- string(2) "f2"
- [3]=>
- string(2) "f1"
- }
- - $preserve keys = true -
- array(4) {
- [33333333]=>
- string(2) "f4"
- [4]=>
- string(2) "f3"
- [3]=>
- string(2) "f2"
- [1]=>
- string(2) "f1"
- }
- - $preserve_keys = false -
- array(4) {
- [0]=>
- string(2) "f4"
- [1]=>
- string(2) "f3"
- [2]=>
- string(2) "f2"
- [3]=>
- string(2) "f1"
- }
- -- Iteration 7 --
- - default argument -
- array(4) {
- ["pen
- "]=>
- int(33)
- ["world"]=>
- float(2.2)
- ["re d"]=>
- string(5) "color"
- [" Hello"]=>
- int(111)
- }
- - $preserve keys = true -
- array(4) {
- ["pen
- "]=>
- int(33)
- ["world"]=>
- float(2.2)
- ["re d"]=>
- string(5) "color"
- [" Hello"]=>
- int(111)
- }
- - $preserve_keys = false -
- array(4) {
- ["pen
- "]=>
- int(33)
- ["world"]=>
- float(2.2)
- ["re d"]=>
- string(5) "color"
- [" Hello"]=>
- int(111)
- }
- -- Iteration 8 --
- - default argument -
- array(4) {
- ["pen
- "]=>
- int(33)
- ["world"]=>
- float(2.2)
- ["re d"]=>
- string(5) "color"
- [" Hello"]=>
- int(111)
- }
- - $preserve keys = true -
- array(4) {
- ["pen
- "]=>
- int(33)
- ["world"]=>
- float(2.2)
- ["re d"]=>
- string(5) "color"
- [" Hello"]=>
- int(111)
- }
- - $preserve_keys = false -
- array(4) {
- ["pen
- "]=>
- int(33)
- ["world"]=>
- float(2.2)
- ["re d"]=>
- string(5) "color"
- [" Hello"]=>
- int(111)
- }
- -- Iteration 9 --
- - default argument -
- array(2) {
- ["Hello world"]=>
- string(6) "string"
- [0]=>
- string(5) "hello"
- }
- - $preserve keys = true -
- array(2) {
- ["Hello world"]=>
- string(6) "string"
- [0]=>
- string(5) "hello"
- }
- - $preserve_keys = false -
- array(2) {
- ["Hello world"]=>
- string(6) "string"
- [0]=>
- string(5) "hello"
- }
- -- Iteration 10 --
- - default argument -
- array(1) {
- [""]=>
- string(5) "hello"
- }
- - $preserve keys = true -
- array(1) {
- [""]=>
- string(5) "hello"
- }
- - $preserve_keys = false -
- array(1) {
- [""]=>
- string(5) "hello"
- }
- -- Iteration 11 --
- - default argument -
- array(6) {
- ["Hello world"]=>
- string(7) "heredoc"
- [""]=>
- string(5) "unset"
- [0]=>
- string(5) "float"
- [1]=>
- string(3) "int"
- ["fruit"]=>
- float(2.2)
- ["hello"]=>
- int(1)
- }
- - $preserve keys = true -
- array(6) {
- ["Hello world"]=>
- string(7) "heredoc"
- [""]=>
- string(5) "unset"
- [444]=>
- string(5) "float"
- [133]=>
- string(3) "int"
- ["fruit"]=>
- float(2.2)
- ["hello"]=>
- int(1)
- }
- - $preserve_keys = false -
- array(6) {
- ["Hello world"]=>
- string(7) "heredoc"
- [""]=>
- string(5) "unset"
- [0]=>
- string(5) "float"
- [1]=>
- string(3) "int"
- ["fruit"]=>
- float(2.2)
- ["hello"]=>
- int(1)
- }
- Done
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