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397 lines
6.2 KiB
PHP
397 lines
6.2 KiB
PHP
--TEST--
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Test array_unshift() function : usage variations - assoc. array with diff values for 'array' argument
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--FILE--
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<?php
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/* Prototype : int array_unshift(array $array, mixed $var [, mixed ...])
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* Description: Pushes elements onto the beginning of the array
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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_unshift() by passing different
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* associative arrays having different possible values to $array argument.
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* The $var argument passed is a fixed value
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*/
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echo "*** Testing array_unshift() : associative array with different values ***\n";
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// get an unset variable
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$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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// initializing $var argument
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$var = 10;
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// different variations of associative arrays to be passed to $array argument
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$arrays = array (
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// empty array
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/*1*/ array(),
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// arrays with integer values
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array('0' => 0),
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array("1" => 1),
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array("one" => 1, 'two' => 2, "three" => 3, 4 => 4),
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// arrays with float values
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/*5*/ array("float" => 2.3333),
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array("f1" => 1.2, 'f2' => 3.33, 3 => 4.89999922839999, 'f4' => 33333333.333333),
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// arrays with string values
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/*7*/ array(111 => "\tHello", "red" => "col\tor", 2 => "\v\fworld", 3.3 => "pen\n"),
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array(111 => '\tHello', "red" => 'col\tor', 2 => '\v\fworld', 3.3 => 'pen\n'),
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array(1 => "hello", "heredoc" => $heredoc),
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// array with object, unset variable and resource variable
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array(11 => new classA(), "unset" => @$unset_var, "resource" => $fp),
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// array with mixed values
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/*11*/ array(1 => 'hello', 2 => new classA(), 222 => "fruit", 'resource' => $fp, "int" => 133, "float" => 444.432, "unset" => @$unset_var, "heredoc" => $heredoc)
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);
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// loop through the various elements of $arrays to test array_unshift()
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$iterator = 1;
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foreach($arrays as $array) {
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echo "-- Iteration $iterator --\n";
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/* with default argument */
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// returns element count in the resulting array after arguments are pushed to
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// beginning of the given array
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$temp_array = $array;
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var_dump( array_unshift($temp_array, $var) );
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// dump the resulting array
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var_dump($temp_array);
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/* with optional arguments */
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// returns element count in the resulting array after arguments are pushed to
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// beginning of the given array
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$temp_array = $array;
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var_dump( array_unshift($temp_array, $var, "hello", 'world') );
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// dump the resulting array
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var_dump($temp_array);
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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_unshift() : associative array with different values ***
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-- Iteration 1 --
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int(1)
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array(1) {
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[0]=>
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int(10)
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}
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int(3)
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array(3) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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}
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-- Iteration 2 --
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int(2)
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array(2) {
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[0]=>
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int(10)
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[1]=>
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int(0)
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}
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int(4)
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array(4) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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[3]=>
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int(0)
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}
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-- Iteration 3 --
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int(2)
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array(2) {
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[0]=>
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int(10)
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[1]=>
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int(1)
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}
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int(4)
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array(4) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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[3]=>
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int(1)
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}
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-- Iteration 4 --
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int(5)
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array(5) {
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[0]=>
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int(10)
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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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["three"]=>
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int(3)
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[1]=>
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int(4)
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}
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int(7)
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array(7) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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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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["three"]=>
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int(3)
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[3]=>
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int(4)
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}
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-- Iteration 5 --
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int(2)
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array(2) {
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[0]=>
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int(10)
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["float"]=>
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float(2.3333)
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}
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int(4)
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array(4) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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["float"]=>
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float(2.3333)
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}
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-- Iteration 6 --
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int(5)
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array(5) {
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[0]=>
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int(10)
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["f1"]=>
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float(1.2)
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["f2"]=>
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float(3.33)
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[1]=>
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float(4.8999992284)
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["f4"]=>
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float(33333333.333333)
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}
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int(7)
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array(7) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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["f1"]=>
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float(1.2)
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["f2"]=>
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float(3.33)
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[3]=>
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float(4.8999992284)
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["f4"]=>
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float(33333333.333333)
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}
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-- Iteration 7 --
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int(5)
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array(5) {
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[0]=>
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int(10)
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[1]=>
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string(6) " Hello"
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["red"]=>
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string(6) "col or"
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[2]=>
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string(7) " world"
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[3]=>
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string(4) "pen
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"
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}
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int(7)
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array(7) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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[3]=>
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string(6) " Hello"
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["red"]=>
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string(6) "col or"
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[4]=>
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string(7) " world"
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[5]=>
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string(4) "pen
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"
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}
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-- Iteration 8 --
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int(5)
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array(5) {
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[0]=>
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int(10)
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[1]=>
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string(7) "\tHello"
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["red"]=>
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string(7) "col\tor"
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[2]=>
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string(9) "\v\fworld"
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[3]=>
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string(5) "pen\n"
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}
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int(7)
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array(7) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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[3]=>
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string(7) "\tHello"
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["red"]=>
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string(7) "col\tor"
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[4]=>
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string(9) "\v\fworld"
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[5]=>
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string(5) "pen\n"
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}
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-- Iteration 9 --
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int(3)
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array(3) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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["heredoc"]=>
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string(11) "Hello world"
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}
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int(5)
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array(5) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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[3]=>
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string(5) "hello"
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["heredoc"]=>
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string(11) "Hello world"
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}
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-- Iteration 10 --
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int(4)
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array(4) {
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[0]=>
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int(10)
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[1]=>
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object(classA)#%d (0) {
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}
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["unset"]=>
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NULL
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["resource"]=>
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resource(%d) of type (stream)
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}
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int(6)
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array(6) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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[3]=>
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object(classA)#%d (0) {
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}
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["unset"]=>
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NULL
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["resource"]=>
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resource(%d) of type (stream)
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}
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-- Iteration 11 --
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int(9)
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array(9) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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object(classA)#%d (0) {
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}
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[3]=>
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string(5) "fruit"
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["resource"]=>
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resource(%d) of type (stream)
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["int"]=>
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int(133)
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["float"]=>
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float(444.432)
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["unset"]=>
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NULL
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["heredoc"]=>
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string(11) "Hello world"
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}
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int(11)
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array(11) {
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[0]=>
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int(10)
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[1]=>
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string(5) "hello"
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[2]=>
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string(5) "world"
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[3]=>
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string(5) "hello"
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[4]=>
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object(classA)#%d (0) {
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}
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[5]=>
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string(5) "fruit"
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["resource"]=>
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resource(%d) of type (stream)
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["int"]=>
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int(133)
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["float"]=>
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float(444.432)
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["unset"]=>
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NULL
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["heredoc"]=>
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string(11) "Hello world"
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}
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Done
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