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603 lines
9.1 KiB
PHP
603 lines
9.1 KiB
PHP
--TEST--
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Test array_reverse() function : usage variations - different array values for 'array' argument
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--FILE--
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<?php
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/* Prototype : array array_reverse(array $array [, bool $preserve_keys])
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* Description: Return input as a new array with the order of the entries reversed
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* Source code: ext/standard/array.c
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*/
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/*
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* Testing the functionality of array_reverse() by giving
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* different array values for $array argument
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*/
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echo "*** Testing array_reverse() : usage variations ***\n";
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//get an unset variable
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$unset_var = 10;
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unset ($unset_var);
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//get a resource variable
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$fp = fopen(__FILE__, "r");
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//get a class
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class classA
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{
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public function __toString(){
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return "Class A object";
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}
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}
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// get a heredoc string
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$heredoc = <<<EOT
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Hello world
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EOT;
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$arrays = array (
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/*1*/ array(1, 2), // array with default keys and numeric values
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array(1.1, 2.2), // array with default keys & float values
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array( array(2), array(1)), // sub arrays
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array(false,true), // array with default keys and boolean values
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array(), // empty array
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array(NULL), // array with NULL
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array("a","aaaa","b","bbbb","c","ccccc"),
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// associative arrays
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/*8*/ array(1 => "one", 2 => "two", 3 => "three"), // explicit numeric keys, string values
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array("one" => 1, "two" => 2, "three" => 3 ), // string keys & numeric values
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array( 1 => 10, 2 => 20, 4 => 40, 3 => 30), // explicit numeric keys and numeric values
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array( "one" => "ten", "two" => "twenty", "three" => "thirty"), // string key/value
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array("one" => 1, 2 => "two", 4 => "four"), //mixed
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// associative array, containing null/empty/boolean values as key/value
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/*13*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
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array(true => "true", false => "false", "false" => false, "true" => true),
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array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
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array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
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array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
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// array with repetative keys
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/*18*/ array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
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);
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// loop through the various elements of $arrays to test array_reverse()
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$iterator = 1;
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foreach($arrays as $array) {
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echo "-- Iteration $iterator --\n";
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// with default argument
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echo "- with default argument -\n";
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var_dump( array_reverse($array) );
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// with all possible arguments
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echo "- with \$preserve keys = true -\n";
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var_dump( array_reverse($array, true) );
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echo "- with \$preserve_keys = false -\n";
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var_dump( array_reverse($array, false) );
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$iterator++;
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};
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// close the file resource used
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fclose($fp);
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echo "Done";
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?>
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--EXPECTF--
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*** Testing array_reverse() : usage variations ***
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-- Iteration 1 --
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- with default argument -
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array(2) {
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[0]=>
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int(2)
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[1]=>
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int(1)
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}
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- with $preserve keys = true -
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array(2) {
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[1]=>
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int(2)
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[0]=>
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int(1)
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}
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- with $preserve_keys = false -
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array(2) {
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[0]=>
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int(2)
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[1]=>
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int(1)
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}
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-- Iteration 2 --
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- with default argument -
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array(2) {
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[0]=>
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float(2.2)
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[1]=>
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float(1.1)
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}
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- with $preserve keys = true -
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array(2) {
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[1]=>
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float(2.2)
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[0]=>
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float(1.1)
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}
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- with $preserve_keys = false -
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array(2) {
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[0]=>
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float(2.2)
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[1]=>
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float(1.1)
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}
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-- Iteration 3 --
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- with default argument -
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array(2) {
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[0]=>
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array(1) {
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[0]=>
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int(1)
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}
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[1]=>
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array(1) {
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[0]=>
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int(2)
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}
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}
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- with $preserve keys = true -
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array(2) {
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[1]=>
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array(1) {
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[0]=>
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int(1)
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}
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[0]=>
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array(1) {
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[0]=>
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int(2)
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}
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}
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- with $preserve_keys = false -
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array(2) {
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[0]=>
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array(1) {
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[0]=>
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int(1)
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}
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[1]=>
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array(1) {
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[0]=>
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int(2)
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}
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}
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-- Iteration 4 --
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- with default argument -
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array(2) {
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[0]=>
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bool(true)
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[1]=>
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bool(false)
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}
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- with $preserve keys = true -
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array(2) {
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[1]=>
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bool(true)
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[0]=>
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bool(false)
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}
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- with $preserve_keys = false -
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array(2) {
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[0]=>
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bool(true)
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[1]=>
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bool(false)
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}
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-- Iteration 5 --
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- with default argument -
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array(0) {
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}
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- with $preserve keys = true -
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array(0) {
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}
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- with $preserve_keys = false -
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array(0) {
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}
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-- Iteration 6 --
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- with default argument -
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array(1) {
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[0]=>
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NULL
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}
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- with $preserve keys = true -
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array(1) {
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[0]=>
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NULL
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}
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- with $preserve_keys = false -
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array(1) {
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[0]=>
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NULL
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}
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-- Iteration 7 --
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- with default argument -
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array(6) {
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[0]=>
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string(5) "ccccc"
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[1]=>
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string(1) "c"
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[2]=>
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string(4) "bbbb"
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[3]=>
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string(1) "b"
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[4]=>
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string(4) "aaaa"
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[5]=>
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string(1) "a"
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}
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- with $preserve keys = true -
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array(6) {
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[5]=>
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string(5) "ccccc"
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[4]=>
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string(1) "c"
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[3]=>
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string(4) "bbbb"
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[2]=>
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string(1) "b"
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[1]=>
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string(4) "aaaa"
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[0]=>
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string(1) "a"
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}
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- with $preserve_keys = false -
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array(6) {
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[0]=>
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string(5) "ccccc"
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[1]=>
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string(1) "c"
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[2]=>
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string(4) "bbbb"
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[3]=>
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string(1) "b"
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[4]=>
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string(4) "aaaa"
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[5]=>
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string(1) "a"
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}
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-- Iteration 8 --
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- with default argument -
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array(3) {
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[0]=>
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string(5) "three"
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[1]=>
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string(3) "two"
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[2]=>
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string(3) "one"
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}
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- with $preserve keys = true -
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array(3) {
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[3]=>
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string(5) "three"
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[2]=>
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string(3) "two"
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[1]=>
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string(3) "one"
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}
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- with $preserve_keys = false -
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array(3) {
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[0]=>
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string(5) "three"
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[1]=>
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string(3) "two"
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[2]=>
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string(3) "one"
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}
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-- Iteration 9 --
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- with default argument -
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array(3) {
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["three"]=>
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int(3)
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["two"]=>
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int(2)
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["one"]=>
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int(1)
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}
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- with $preserve keys = true -
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array(3) {
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["three"]=>
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int(3)
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["two"]=>
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int(2)
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["one"]=>
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int(1)
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}
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- with $preserve_keys = false -
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array(3) {
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["three"]=>
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int(3)
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["two"]=>
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int(2)
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["one"]=>
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int(1)
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}
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-- Iteration 10 --
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- with default argument -
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array(4) {
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[0]=>
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int(30)
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[1]=>
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int(40)
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[2]=>
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int(20)
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[3]=>
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int(10)
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}
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- with $preserve keys = true -
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array(4) {
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[3]=>
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int(30)
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[4]=>
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int(40)
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[2]=>
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int(20)
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[1]=>
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int(10)
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}
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- with $preserve_keys = false -
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array(4) {
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[0]=>
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int(30)
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[1]=>
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int(40)
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[2]=>
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int(20)
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[3]=>
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int(10)
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}
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-- Iteration 11 --
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- with default argument -
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array(3) {
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["three"]=>
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string(6) "thirty"
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["two"]=>
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string(6) "twenty"
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["one"]=>
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string(3) "ten"
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}
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- with $preserve keys = true -
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array(3) {
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["three"]=>
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string(6) "thirty"
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["two"]=>
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string(6) "twenty"
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["one"]=>
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string(3) "ten"
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}
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- with $preserve_keys = false -
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array(3) {
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["three"]=>
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string(6) "thirty"
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["two"]=>
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string(6) "twenty"
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["one"]=>
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string(3) "ten"
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}
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-- Iteration 12 --
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- with default argument -
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array(3) {
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[0]=>
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string(4) "four"
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[1]=>
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string(3) "two"
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["one"]=>
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int(1)
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}
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- with $preserve keys = true -
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array(3) {
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[4]=>
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string(4) "four"
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[2]=>
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string(3) "two"
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["one"]=>
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int(1)
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}
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- with $preserve_keys = false -
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array(3) {
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[0]=>
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string(4) "four"
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[1]=>
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string(3) "two"
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["one"]=>
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int(1)
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}
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-- Iteration 13 --
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- with default argument -
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array(3) {
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["null"]=>
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NULL
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["NULL"]=>
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NULL
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[""]=>
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string(4) "null"
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}
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- with $preserve keys = true -
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array(3) {
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["null"]=>
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NULL
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["NULL"]=>
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NULL
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[""]=>
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string(4) "null"
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}
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- with $preserve_keys = false -
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array(3) {
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["null"]=>
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NULL
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["NULL"]=>
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NULL
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[""]=>
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string(4) "null"
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}
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-- Iteration 14 --
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- with default argument -
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array(4) {
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["true"]=>
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bool(true)
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["false"]=>
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bool(false)
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[0]=>
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string(5) "false"
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[1]=>
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string(4) "true"
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}
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- with $preserve keys = true -
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array(4) {
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["true"]=>
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bool(true)
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["false"]=>
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bool(false)
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[0]=>
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string(5) "false"
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[1]=>
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string(4) "true"
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}
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- with $preserve_keys = false -
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array(4) {
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["true"]=>
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bool(true)
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["false"]=>
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bool(false)
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[0]=>
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string(5) "false"
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[1]=>
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string(4) "true"
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}
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-- Iteration 15 --
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- with default argument -
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array(3) {
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["emptys"]=>
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string(0) ""
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["emptyd"]=>
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string(0) ""
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[""]=>
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string(6) "emptys"
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}
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- with $preserve keys = true -
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array(3) {
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["emptys"]=>
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string(0) ""
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["emptyd"]=>
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string(0) ""
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[""]=>
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string(6) "emptys"
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}
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- with $preserve_keys = false -
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array(3) {
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["emptys"]=>
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string(0) ""
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["emptyd"]=>
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string(0) ""
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[""]=>
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string(6) "emptys"
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}
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-- Iteration 16 --
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- with default argument -
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array(6) {
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[0]=>
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bool(true)
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[1]=>
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bool(false)
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[2]=>
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NULL
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[3]=>
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NULL
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[4]=>
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string(0) ""
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[5]=>
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string(0) ""
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}
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- with $preserve keys = true -
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array(6) {
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[6]=>
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bool(true)
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[5]=>
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bool(false)
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[4]=>
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NULL
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[3]=>
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NULL
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[2]=>
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string(0) ""
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[1]=>
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string(0) ""
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}
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- with $preserve_keys = false -
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array(6) {
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[0]=>
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bool(true)
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[1]=>
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bool(false)
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[2]=>
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NULL
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[3]=>
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NULL
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[4]=>
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string(0) ""
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[5]=>
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string(0) ""
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}
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-- Iteration 17 --
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- with default argument -
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array(3) {
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[0]=>
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int(6)
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[1]=>
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int(5)
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[""]=>
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int(4)
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}
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- with $preserve keys = true -
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array(3) {
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[1]=>
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int(6)
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[0]=>
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int(5)
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[""]=>
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int(4)
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}
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- with $preserve_keys = false -
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array(3) {
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[0]=>
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int(6)
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[1]=>
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int(5)
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[""]=>
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int(4)
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}
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-- Iteration 18 --
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- with default argument -
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array(3) {
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["three"]=>
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int(3)
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["two"]=>
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int(20)
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["One"]=>
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int(10)
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}
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- with $preserve keys = true -
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array(3) {
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["three"]=>
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int(3)
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["two"]=>
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int(20)
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["One"]=>
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int(10)
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}
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- with $preserve_keys = false -
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array(3) {
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["three"]=>
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int(3)
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["two"]=>
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int(20)
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["One"]=>
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int(10)
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}
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Done
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