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368 lines
5.4 KiB
PHP
368 lines
5.4 KiB
PHP
--TEST--
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Test array_merge() function : usage variations - Diff. data types as array keys
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--FILE--
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<?php
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/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
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* Description: Merges elements from passed arrays into one array
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* Source code: ext/standard/array.c
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*/
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/*
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* Pass an array with different data types as keys to test how array_merge
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* adds it onto an existing array
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*/
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echo "*** Testing array_merge() : usage variations ***\n";
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// Initialise function arguments not being substituted
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$arr = array ('one' => 1, 'two' => 2);
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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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// heredoc string
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$heredoc = <<<EOT
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hello world
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EOT;
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// arrays with keys as different data types to be passed as $input
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$inputs = array(
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// int data
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/*1*/ 'int' => array(
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0 => 'zero',
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1 => 'one',
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12345 => 'positive',
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-2345 => 'negative',
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),
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// float data
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/*2*/ 'float' => array(
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10.5 => 'positive',
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-10.5 => 'negative',
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.5 => 'half',
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),
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/*3*/ 'extreme floats' => array(
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12.3456789000e10 => 'large',
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12.3456789000E-10 => 'small',
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),
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// null data
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/*4*/ 'null uppercase' => array(
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NULL => 'null 1',
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),
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/*5*/ 'null lowercase' => array(
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null => 'null 2',
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),
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// boolean data
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/*6*/ 'bool lowercase' => array(
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true => 'lowert',
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false => 'lowerf',
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),
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/*7*/ 'bool uppercase' => array(
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TRUE => 'uppert',
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FALSE => 'upperf',
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),
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// empty data
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/*8*/ 'empty double quotes' => array(
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"" => 'emptyd',
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),
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/*9*/ 'empty single quotes' => array(
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'' => 'emptys',
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),
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// string data
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/*10*/ 'string' => array(
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"stringd" => 'stringd',
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'strings' => 'strings',
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$heredoc => 'stringh',
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),
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// undefined data
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/*11*/ 'undefined' => array(
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@$undefined_var => 'undefined',
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),
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// unset data
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/*12*/ 'unset' => array(
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@$unset_var => 'unset',
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),
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);
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// loop through each element of $inputs to check the behavior of array_merge
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$iterator = 1;
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foreach($inputs as $key => $input) {
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echo "\n-- Iteration $iterator: $key data --\n";
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var_dump( array_merge($input, $arr) );
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var_dump( array_merge($arr, $input) );
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$iterator++;
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};
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echo "Done";
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?>
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--EXPECTF--
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*** Testing array_merge() : usage variations ***
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-- Iteration 1: int data --
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array(6) {
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[0]=>
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string(4) "zero"
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[1]=>
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string(3) "one"
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[2]=>
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string(8) "positive"
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[3]=>
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string(8) "negative"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(6) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[0]=>
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string(4) "zero"
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[1]=>
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string(3) "one"
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[2]=>
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string(8) "positive"
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[3]=>
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string(8) "negative"
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}
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-- Iteration 2: float data --
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array(5) {
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[0]=>
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string(8) "positive"
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[1]=>
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string(8) "negative"
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[2]=>
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string(4) "half"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(5) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[0]=>
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string(8) "positive"
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[1]=>
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string(8) "negative"
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[2]=>
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string(4) "half"
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}
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-- Iteration 3: extreme floats data --
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array(4) {
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[0]=>
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string(5) "large"
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[1]=>
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string(5) "small"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(4) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[0]=>
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string(5) "large"
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[1]=>
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string(5) "small"
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}
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-- Iteration 4: null uppercase data --
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array(3) {
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[""]=>
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string(6) "null 1"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(3) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[""]=>
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string(6) "null 1"
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}
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-- Iteration 5: null lowercase data --
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array(3) {
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[""]=>
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string(6) "null 2"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(3) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[""]=>
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string(6) "null 2"
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}
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-- Iteration 6: bool lowercase data --
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array(4) {
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[0]=>
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string(6) "lowert"
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[1]=>
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string(6) "lowerf"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(4) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[0]=>
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string(6) "lowert"
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[1]=>
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string(6) "lowerf"
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}
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-- Iteration 7: bool uppercase data --
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array(4) {
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[0]=>
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string(6) "uppert"
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[1]=>
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string(6) "upperf"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(4) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[0]=>
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string(6) "uppert"
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[1]=>
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string(6) "upperf"
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}
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-- Iteration 8: empty double quotes data --
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array(3) {
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[""]=>
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string(6) "emptyd"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(3) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[""]=>
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string(6) "emptyd"
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}
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-- Iteration 9: empty single quotes data --
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array(3) {
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[""]=>
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string(6) "emptys"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(3) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[""]=>
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string(6) "emptys"
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}
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-- Iteration 10: string data --
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array(5) {
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["stringd"]=>
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string(7) "stringd"
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["strings"]=>
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string(7) "strings"
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["hello world"]=>
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string(7) "stringh"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(5) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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["stringd"]=>
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string(7) "stringd"
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["strings"]=>
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string(7) "strings"
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["hello world"]=>
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string(7) "stringh"
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}
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-- Iteration 11: undefined data --
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array(3) {
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[""]=>
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string(9) "undefined"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(3) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[""]=>
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string(9) "undefined"
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}
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-- Iteration 12: unset data --
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array(3) {
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[""]=>
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string(5) "unset"
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(3) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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[""]=>
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string(5) "unset"
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}
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Done
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