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|
--TEST--
Test array_diff_assoc() function : usage variations - strict string comparison check
--FILE--
<?php
/* Prototype : array array_diff_assoc(array $arr1, array $arr2 [, array ...])
* Description: Returns the entries of $arr1 that have values which are not
* present in any of the others arguments but do additional checks whether the keys are equal
* Source code: ext/standard/array.c
*/
/*
* Test how array_diff_assoc behaves
* 1. When comparing an array that has similar elements
* but has been created in a different order
* 2. When doing a strict comparison of string representation
*/
echo "*** Testing array_diff_assoc() : usage variations ***\n";
$array = array ('zero',
1 => 1,
'two' => 2.00000000000001);
$inputs = array (
//default keys => string values
/*1*/ array('2.00000000000001', '1', 'zero', 'a'),
//numeric keys => string values
/*2*/ array(2 => '2.00000000000001',
1 => '1',
0 => 'zero',
3 => 'a'),
//string keys => string values
/*3*/ array('2' => '2.00000000000001',
'1' => '1',
'0' => 'zero',
'3' => 'a') ,
//default keys => numeric values
/*4*/ array(2, 1, 0),
//numeric keys => numeric values
/*5*/ array(2 => 2,
1 => 1,
0 => 0),
//string keys => numeric values
/*6*/ array('two' => 2,
'1' => 1,
'0' => 0),
//defualt keys => float values
/*7*/ array(2.00000000000001, 1.00, 0.01E-9),
//numeric keys => float values
/*8*/ array(2 => 2.00000000000001,
1 => 1.00,
0 => 0.01E-9),
//string keys => float values
/*9*/ array ('two' => 2.00000000000001,
'1' => 1.00,
'0' =>0.01E-9)
);
// loop through each element of $inputs to check the behavior of array_diff_assoc
$iterator = 1;
foreach($inputs as $input) {
echo "\n-- Iteration $iterator --\n";
var_dump(array_diff_assoc($array, $input));
var_dump(array_diff_assoc($input, $array));
$iterator++;
};
echo "Done";
?>
--EXPECTF--
*** Testing array_diff_assoc() : usage variations ***
-- Iteration 1 --
array(2) {
[0]=>
string(4) "zero"
["two"]=>
float(2)
}
array(3) {
[0]=>
string(16) "2.00000000000001"
[2]=>
string(4) "zero"
[3]=>
string(1) "a"
}
-- Iteration 2 --
array(1) {
["two"]=>
float(2)
}
array(2) {
[2]=>
string(16) "2.00000000000001"
[3]=>
string(1) "a"
}
-- Iteration 3 --
array(1) {
["two"]=>
float(2)
}
array(2) {
[2]=>
string(16) "2.00000000000001"
[3]=>
string(1) "a"
}
-- Iteration 4 --
array(2) {
[0]=>
string(4) "zero"
["two"]=>
float(2)
}
array(2) {
[0]=>
int(2)
[2]=>
int(0)
}
-- Iteration 5 --
array(2) {
[0]=>
string(4) "zero"
["two"]=>
float(2)
}
array(2) {
[2]=>
int(2)
[0]=>
int(0)
}
-- Iteration 6 --
array(1) {
[0]=>
string(4) "zero"
}
array(1) {
[0]=>
int(0)
}
-- Iteration 7 --
array(2) {
[0]=>
string(4) "zero"
["two"]=>
float(2)
}
array(2) {
[0]=>
float(2)
[2]=>
float(1.0E-11)
}
-- Iteration 8 --
array(2) {
[0]=>
string(4) "zero"
["two"]=>
float(2)
}
array(2) {
[2]=>
float(2)
[0]=>
float(1.0E-11)
}
-- Iteration 9 --
array(1) {
[0]=>
string(4) "zero"
}
array(1) {
[0]=>
float(1.0E-11)
}
Done
|
