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293 lines
7.2 KiB
PHP
293 lines
7.2 KiB
PHP
--TEST--
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Test array_key_exists() function
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--FILE--
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<?php
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/* Prototype:
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* bool array_key_exists ( mixed $key, array $search );
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* Description:
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* Returns TRUE if the given key is set in the array.
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* key can be any value possible for an array index.
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* Also also works on objects.
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*/
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echo "*** Testing basic functionalities ***\n";
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/* Arrays with regular values */
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$search_arrays = array(
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array(1,2,3,4),
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array('a','b','c'),
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array('abc', 'bcd', 'dcf'),
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array("test", "rest", "enjoy"),
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array("Name" => "Jack", "Loc" => "Mars", "Id" => "MS123"),
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array('Red' => 'Rose', 'I' => 'You'),
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array(0 => 'Zero', 1 => 'One', 2 => 'Two', 3 => "Three" ),
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array(0.1 => 'Zero', 1.1 => 'One', 2.2 => 'Two', 3.3 => "Three" )
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);
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/* keys to search in $search_arrays. $keys[0]
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is the key to be searched in $search_arrays[0] and so on */
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$keys = array( 1, 'a', 2, 4, "Name", "Red", 0, 3 );
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$key_counter = 0;
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foreach ($search_arrays as $search_array) {
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$key = $keys[ $key_counter++ ];
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echo "-- Iteration $key_counter --\n";
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var_dump( array_key_exists($key, $search_array) );
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}
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echo "\n*** Testing possible variations ***\n";
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// use different keys on each sub array of $search_arrays
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$key_variations = array ("", NULL, null, " ", '', "test", 1);
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$key_counter = 0;
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$key_count = count ( $key_variations );
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echo "\n** Variation loop 1 **\n";
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$out_loop_count = 0;
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foreach ($search_arrays as $search_array) {
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$key_counter = 0;
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$out_loop_count ++; echo "-- Iteration $out_loop_count --\n";
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while ( $key_counter < $key_count ) {
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$key = $key_variations[ $key_counter++ ];
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var_dump( array_key_exists($key, $search_array) );
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}
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}
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// arrays with variation in elements
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$search_arrays_v = array (
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array(),
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array(NULL),
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array(array(), 1, 2),
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array(1,2,3, "" => "value", NULL => "value", true => "value" ),
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array( array(2,4,5), array ("a","b","d") )
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);
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// search for $key_variations in each sub array of $search_arrays_v
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echo "\n** Variation loop 2 **\n";
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$out_loop_count = 0;
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foreach ($search_arrays_v as $search_array) {
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$key_counter = 0;
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$out_loop_count ++; echo "-- Iteration $out_loop_count --\n";
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while ( $key_counter < $key_count ) {
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$key = $key_variations[ $key_counter++ ];
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var_dump( array_key_exists($key, $search_array) );
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}
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}
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echo "\n*** Testing error conditions ***\n";
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//Zeor args
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var_dump( array_key_exists() );
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// first args as array
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var_dump( array_key_exists(array(), array()) );
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// second args as string
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var_dump( array_key_exists("", "") );
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// second args a integer
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var_dump( array_key_exists(1, 1) );
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// second args as NULL
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var_dump( array_key_exists(1, NULL) );
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// second args as boolean
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var_dump( array_key_exists(1, true) );
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// first args as boolean
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var_dump( array_key_exists(false, true) );
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// second args as float
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var_dump( array_key_exists(false, 17.5) );
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// args more than expected
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var_dump( array_key_exists(1, array(), array()) );
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// first argument as floating point value
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var_dump( array_key_exists(17.5, array(1,23) ) ) ;
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echo "\n*** Testing operation on objects ***\n";
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class key_check
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{
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private $private_var = "Priviate var";
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protected $protected_var = "Protected var";
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public $public_var = "Public var";
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public $arr = array("var" => "value", "1" => "one", ""=>"value");
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public function print_member()
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{
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echo $this->$private_var."\n";
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echo $this->$protected_var."\n";
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echo $this->$public_var."\n";
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}
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}
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$key_check_obj = new key_check; //new object
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/* array_key_exists() on an object, it should work on only public member variables */
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var_dump(array_key_exists("private_var", $key_check_obj)); // not found, private member
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var_dump(array_key_exists("protected_var", $key_check_obj)); // not found, private member
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var_dump(array_key_exists("public_var", $key_check_obj)); // found, public member
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var_dump(array_key_exists("print_member", $key_check_obj)); // not found, its a function
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var_dump(array_key_exists("arr", $key_check_obj)); //found, public member
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var_dump(array_key_exists("var", $key_check_obj->arr)); //found, key is in member array
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/* error condition, first argument as object */
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var_dump( array_key_exists($key_check_obj, $key_check_obj) );
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echo "Done\n";
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?>
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--EXPECTF--
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*** Testing basic functionalities ***
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-- Iteration 1 --
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bool(true)
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-- Iteration 2 --
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bool(false)
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-- Iteration 3 --
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bool(true)
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-- Iteration 4 --
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bool(false)
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-- Iteration 5 --
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bool(true)
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-- Iteration 6 --
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bool(true)
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-- Iteration 7 --
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bool(true)
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-- Iteration 8 --
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bool(true)
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*** Testing possible variations ***
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** Variation loop 1 **
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-- Iteration 1 --
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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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bool(false)
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bool(false)
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bool(true)
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-- Iteration 2 --
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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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bool(false)
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bool(false)
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bool(true)
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-- Iteration 3 --
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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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bool(false)
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bool(false)
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bool(true)
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-- Iteration 4 --
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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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bool(false)
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bool(false)
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bool(true)
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-- Iteration 5 --
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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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bool(false)
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bool(false)
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bool(false)
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-- Iteration 6 --
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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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bool(false)
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bool(false)
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bool(false)
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-- Iteration 7 --
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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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bool(false)
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bool(false)
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bool(true)
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-- Iteration 8 --
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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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bool(false)
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bool(false)
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bool(true)
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** Variation loop 2 **
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-- Iteration 1 --
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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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bool(false)
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bool(false)
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bool(false)
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-- Iteration 2 --
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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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bool(false)
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bool(false)
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bool(false)
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-- Iteration 3 --
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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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bool(false)
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bool(false)
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bool(true)
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-- Iteration 4 --
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bool(true)
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bool(true)
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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-- Iteration 5 --
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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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bool(false)
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bool(false)
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bool(true)
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*** Testing error conditions ***
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Warning: array_key_exists() expects exactly 2 parameters, 0 given in %s on line %d
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NULL
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Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
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bool(false)
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Warning: array_key_exists() expects parameter 2 to be array, string given in %s on line %d
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NULL
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Warning: array_key_exists() expects parameter 2 to be array, integer given in %s on line %d
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NULL
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Warning: array_key_exists() expects parameter 2 to be array, null given in %s on line %d
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NULL
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Warning: array_key_exists() expects parameter 2 to be array, boolean given in %s on line %d
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NULL
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Warning: array_key_exists() expects parameter 2 to be array, boolean given in %s on line %d
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NULL
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Warning: array_key_exists() expects parameter 2 to be array, float given in %s on line %d
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NULL
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Warning: array_key_exists() expects exactly 2 parameters, 3 given in %s on line %d
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NULL
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Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
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bool(false)
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*** Testing operation on objects ***
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bool(false)
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(true)
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Warning: array_key_exists(): The first argument should be either a string or an integer in %s on line %d
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bool(false)
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Done
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