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547 lines
12 KiB
Plaintext
547 lines
12 KiB
Plaintext
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--TEST--
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Test array_key_exists() function : usage variations - array keys are different data types
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--FILE--
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<?php
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/* Prototype : bool array_key_exists(mixed $key, array $search)
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* Description: Checks if the given key or index exists in the array
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* Source code: ext/standard/array.c
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* Alias to functions: key_exists
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*/
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/*
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* Pass an array where the keys are different data types as the $search argument
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* then pass many different data types as $key argument to test where array_key_exist()
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* returns true.
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*/
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echo "*** Testing array_key_exists() : usage variations ***\n";
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//get an unset variable
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$unset_var = 10;
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unset ($unset_var);
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// heredoc string
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$heredoc = <<<EOT
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string
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EOT;
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// different data types to be iterated over
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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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'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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/*3*/ 'null uppercase' => array(
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NULL => 'null 1',
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),
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'null lowercase' => array(
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null => 'null 2',
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),
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// boolean data
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/*4*/ 'bool lowercase' => array(
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true => 'lowert',
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false => 'lowerf',
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),
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'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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/*5*/ 'empty double quotes' => array(
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"" => 'emptyd',
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),
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'empty single quotes' => array(
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'' => 'emptys',
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),
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// string data
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/*6*/ '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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/*8*/ 'undefined' => array(
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@$undefined_var => 'undefined',
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),
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// unset data
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/*9*/ 'unset' => array(
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@$unset_var => 'unset',
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),
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);
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// loop through each element of $inputs to check the behavior of array_key_exists()
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$iterator = 1;
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foreach($inputs as $type => $input) {
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echo "\n-- Iteration $iterator: $type data --\n";
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//iterate over again to get all different key values
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foreach ($inputs as $new_type => $new_input) {
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echo "-- \$key arguments are $new_type data:\n";
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foreach ($new_input as $key => $search) {
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var_dump(array_key_exists($key, $input));
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}
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}
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$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_key_exists() : usage variations ***
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-- Iteration 1: int data --
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-- $key arguments are int data:
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(true)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(true)
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-- $key arguments are null uppercase data:
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bool(false)
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-- $key arguments are null lowercase data:
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bool(false)
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-- $key arguments are bool lowercase data:
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bool(true)
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bool(true)
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-- $key arguments are bool uppercase data:
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bool(true)
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bool(true)
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-- $key arguments are empty double quotes data:
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bool(false)
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-- $key arguments are empty single quotes data:
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bool(false)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(false)
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-- $key arguments are unset data:
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bool(false)
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-- Iteration 2: float data --
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-- $key arguments are int data:
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bool(true)
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(true)
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bool(true)
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bool(true)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(true)
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-- $key arguments are null uppercase data:
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bool(false)
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-- $key arguments are null lowercase data:
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bool(false)
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-- $key arguments are bool lowercase data:
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bool(false)
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bool(true)
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-- $key arguments are bool uppercase data:
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bool(false)
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bool(true)
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-- $key arguments are empty double quotes data:
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bool(false)
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-- $key arguments are empty single quotes data:
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bool(false)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(false)
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-- $key arguments are unset data:
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bool(false)
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-- Iteration 3: extreme floats data --
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-- $key arguments are int data:
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bool(true)
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(true)
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-- $key arguments are extreme floats data:
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bool(true)
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bool(true)
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-- $key arguments are null uppercase data:
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bool(false)
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-- $key arguments are null lowercase data:
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bool(false)
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-- $key arguments are bool lowercase data:
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bool(false)
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bool(true)
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-- $key arguments are bool uppercase data:
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bool(false)
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bool(true)
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-- $key arguments are empty double quotes data:
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bool(false)
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-- $key arguments are empty single quotes data:
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bool(false)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(false)
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-- $key arguments are unset data:
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bool(false)
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-- Iteration 4: null uppercase data --
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-- $key arguments are int data:
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(false)
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-- $key arguments are null uppercase data:
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bool(true)
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-- $key arguments are null lowercase data:
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bool(true)
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-- $key arguments are bool lowercase data:
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bool(false)
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bool(false)
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-- $key arguments are bool uppercase data:
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bool(false)
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bool(false)
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-- $key arguments are empty double quotes data:
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bool(true)
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-- $key arguments are empty single quotes data:
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bool(true)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(true)
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-- $key arguments are unset data:
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bool(true)
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-- Iteration 5: null lowercase data --
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-- $key arguments are int data:
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(false)
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-- $key arguments are null uppercase data:
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bool(true)
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-- $key arguments are null lowercase data:
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bool(true)
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-- $key arguments are bool lowercase data:
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bool(false)
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bool(false)
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-- $key arguments are bool uppercase data:
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bool(false)
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bool(false)
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-- $key arguments are empty double quotes data:
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bool(true)
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-- $key arguments are empty single quotes data:
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bool(true)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(true)
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-- $key arguments are unset data:
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bool(true)
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-- Iteration 6: bool lowercase data --
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-- $key arguments are int data:
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(true)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(true)
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-- $key arguments are null uppercase data:
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bool(false)
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-- $key arguments are null lowercase data:
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bool(false)
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-- $key arguments are bool lowercase data:
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bool(true)
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bool(true)
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-- $key arguments are bool uppercase data:
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bool(true)
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bool(true)
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-- $key arguments are empty double quotes data:
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bool(false)
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-- $key arguments are empty single quotes data:
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bool(false)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(false)
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-- $key arguments are unset data:
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bool(false)
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-- Iteration 7: bool uppercase data --
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-- $key arguments are int data:
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(true)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(true)
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-- $key arguments are null uppercase data:
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bool(false)
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-- $key arguments are null lowercase data:
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bool(false)
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-- $key arguments are bool lowercase data:
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bool(true)
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bool(true)
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-- $key arguments are bool uppercase data:
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bool(true)
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bool(true)
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-- $key arguments are empty double quotes data:
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bool(false)
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-- $key arguments are empty single quotes data:
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bool(false)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(false)
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-- $key arguments are unset data:
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bool(false)
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-- Iteration 8: empty double quotes data --
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-- $key arguments are int data:
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(false)
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-- $key arguments are null uppercase data:
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bool(true)
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-- $key arguments are null lowercase data:
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bool(true)
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-- $key arguments are bool lowercase data:
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bool(false)
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bool(false)
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-- $key arguments are bool uppercase data:
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bool(false)
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bool(false)
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-- $key arguments are empty double quotes data:
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bool(true)
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-- $key arguments are empty single quotes data:
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bool(true)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(true)
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-- $key arguments are unset data:
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bool(true)
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-- Iteration 9: empty single quotes data --
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-- $key arguments are int data:
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(false)
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-- $key arguments are null uppercase data:
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bool(true)
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-- $key arguments are null lowercase data:
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bool(true)
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-- $key arguments are bool lowercase data:
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bool(false)
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bool(false)
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-- $key arguments are bool uppercase data:
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bool(false)
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bool(false)
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-- $key arguments are empty double quotes data:
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bool(true)
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-- $key arguments are empty single quotes data:
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bool(true)
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-- $key arguments are string data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are undefined data:
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bool(true)
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-- $key arguments are unset data:
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bool(true)
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-- Iteration 10: string data --
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-- $key arguments are int data:
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are extreme floats data:
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bool(false)
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bool(false)
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-- $key arguments are null uppercase data:
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bool(false)
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-- $key arguments are null lowercase data:
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bool(false)
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-- $key arguments are bool lowercase data:
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bool(false)
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bool(false)
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-- $key arguments are bool uppercase data:
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bool(false)
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bool(false)
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-- $key arguments are empty double quotes data:
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bool(false)
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-- $key arguments are empty single quotes data:
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bool(false)
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-- $key arguments are string data:
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bool(true)
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bool(true)
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bool(true)
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-- $key arguments are undefined data:
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bool(false)
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-- $key arguments are unset data:
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bool(false)
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-- Iteration 11: undefined data --
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-- $key arguments are int data:
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are float data:
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bool(false)
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bool(false)
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bool(false)
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-- $key arguments are extreme floats data:
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||
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bool(false)
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bool(false)
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||
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-- $key arguments are null uppercase data:
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||
|
bool(true)
|
||
|
-- $key arguments are null lowercase data:
|
||
|
bool(true)
|
||
|
-- $key arguments are bool lowercase data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are bool uppercase data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are empty double quotes data:
|
||
|
bool(true)
|
||
|
-- $key arguments are empty single quotes data:
|
||
|
bool(true)
|
||
|
-- $key arguments are string data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are undefined data:
|
||
|
bool(true)
|
||
|
-- $key arguments are unset data:
|
||
|
bool(true)
|
||
|
|
||
|
-- Iteration 12: unset data --
|
||
|
-- $key arguments are int data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are float data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are extreme floats data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are null uppercase data:
|
||
|
bool(true)
|
||
|
-- $key arguments are null lowercase data:
|
||
|
bool(true)
|
||
|
-- $key arguments are bool lowercase data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are bool uppercase data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are empty double quotes data:
|
||
|
bool(true)
|
||
|
-- $key arguments are empty single quotes data:
|
||
|
bool(true)
|
||
|
-- $key arguments are string data:
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
bool(false)
|
||
|
-- $key arguments are undefined data:
|
||
|
bool(true)
|
||
|
-- $key arguments are unset data:
|
||
|
bool(true)
|
||
|
Done
|