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248 lines
4.3 KiB
PHP
248 lines
4.3 KiB
PHP
--TEST--
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Test arsort() function : usage variations - sort strings
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--FILE--
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<?php
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/* Prototype : bool arsort ( array &$array [, int $asort_flags] )
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* Description: Sort an array and maintain index association
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Elements will be arranged from highest to lowest when this function has completed.
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* Source code: ext/standard/array.c
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*/
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/*
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* testing arsort() by providing different string arrays for $array argument with following flag values
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* flag value as defualt
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* SORT_REGULAR - compare items normally
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* SORT_STRING - compare items as strings
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*/
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echo "*** Testing arsort() : usage variations ***\n";
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$various_arrays = array (
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// group of escape sequences
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array ("null"=> null, "NULL" => NULL, "\a" => "\a", "\cx" => "\cx", "\e" => "\e",
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"\f" => "\f", "\n" =>"\n", "\r" => "\r", "\t" => "\t", "\xhh" => "\xhh",
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"\ddd" => "\ddd", "\v" => "\v"
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),
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// array contains combination of capital/small letters
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array ('l' => "lemoN", 'O' => "Orange", 'b' => "banana", 'a' => "apple", 'Te' => "Test",
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'T' => "TTTT", 't' => "ttt", 'w' => "ww", 'x' => "x", 'X' => "X", 'o' => "oraNGe",
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'B' => "BANANA"
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)
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);
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$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_STRING" => SORT_STRING);
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$count = 1;
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echo "\n-- Testing arsort() by supplying various string arrays --\n";
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// loop through to test arsort() with different arrays
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foreach ($various_arrays as $array) {
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echo "\n-- Iteration $count --\n";
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echo "- With default sort_flag -\n";
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$temp_array = $array;
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var_dump(arsort($temp_array) ); // expecting : bool(true)
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var_dump($temp_array);
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// loop through $flags array and setting all possible flag values
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foreach($flags as $key => $flag){
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echo "- Sort_flag = $key -\n";
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$temp_array = $array;
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var_dump(arsort($temp_array, $flag) ); // expecting : bool(true)
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var_dump($temp_array);
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}
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$count++;
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}
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echo "Done\n";
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?>
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--EXPECTF--
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*** Testing arsort() : usage variations ***
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-- Testing arsort() by supplying various string arrays --
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-- Iteration 1 --
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- With default sort_flag -
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bool(true)
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array(12) {
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["\xhh"]=>
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string(4) "\xhh"
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["\e"]=>
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string(2) "\e"
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["\ddd"]=>
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string(4) "\ddd"
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["\cx"]=>
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string(3) "\cx"
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["\a"]=>
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string(2) "\a"
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["
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"]=>
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string(1) "
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"
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[""]=>
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string(1) ""
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[""]=>
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string(1) ""
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["
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"]=>
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string(1) "
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"
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[" "]=>
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string(1) " "
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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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- Sort_flag = SORT_REGULAR -
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bool(true)
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array(12) {
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["\xhh"]=>
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string(4) "\xhh"
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["\e"]=>
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string(2) "\e"
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["\ddd"]=>
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string(4) "\ddd"
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["\cx"]=>
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string(3) "\cx"
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["\a"]=>
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string(2) "\a"
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["
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"]=>
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string(1) "
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"
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[""]=>
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string(1) ""
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[""]=>
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string(1) ""
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["
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"]=>
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string(1) "
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"
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[" "]=>
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string(1) " "
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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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- Sort_flag = SORT_STRING -
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bool(true)
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array(12) {
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["\xhh"]=>
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string(4) "\xhh"
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["\e"]=>
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string(2) "\e"
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["\ddd"]=>
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string(4) "\ddd"
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["\cx"]=>
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string(3) "\cx"
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["\a"]=>
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string(2) "\a"
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["
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"]=>
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string(1) "
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"
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[""]=>
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string(1) ""
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[""]=>
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string(1) ""
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["
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"]=>
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string(1) "
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"
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[" "]=>
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string(1) " "
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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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-- Iteration 2 --
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- With default sort_flag -
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bool(true)
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array(12) {
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["x"]=>
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string(1) "x"
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["w"]=>
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string(2) "ww"
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["t"]=>
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string(3) "ttt"
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["o"]=>
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string(6) "oraNGe"
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["l"]=>
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string(5) "lemoN"
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["b"]=>
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string(6) "banana"
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["a"]=>
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string(5) "apple"
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["X"]=>
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string(1) "X"
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["Te"]=>
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string(4) "Test"
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["T"]=>
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string(4) "TTTT"
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["O"]=>
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string(6) "Orange"
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["B"]=>
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string(6) "BANANA"
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}
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- Sort_flag = SORT_REGULAR -
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bool(true)
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array(12) {
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["x"]=>
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string(1) "x"
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["w"]=>
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string(2) "ww"
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["t"]=>
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string(3) "ttt"
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["o"]=>
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string(6) "oraNGe"
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["l"]=>
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string(5) "lemoN"
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["b"]=>
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string(6) "banana"
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["a"]=>
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string(5) "apple"
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["X"]=>
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string(1) "X"
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["Te"]=>
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string(4) "Test"
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["T"]=>
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string(4) "TTTT"
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["O"]=>
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string(6) "Orange"
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["B"]=>
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string(6) "BANANA"
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}
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- Sort_flag = SORT_STRING -
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bool(true)
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array(12) {
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["x"]=>
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string(1) "x"
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["w"]=>
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string(2) "ww"
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["t"]=>
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string(3) "ttt"
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["o"]=>
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string(6) "oraNGe"
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["l"]=>
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string(5) "lemoN"
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["b"]=>
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string(6) "banana"
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["a"]=>
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string(5) "apple"
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["X"]=>
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string(1) "X"
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["Te"]=>
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string(4) "Test"
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["T"]=>
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string(4) "TTTT"
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["O"]=>
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string(6) "Orange"
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["B"]=>
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string(6) "BANANA"
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}
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Done
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