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|
--TEST--
Test array_intersect() function : usage variations - assoc array with diff keys for 'arr1' argument
--FILE--
<?php
/* Prototype : array array_intersect(array $arr1, array $arr2 [, array $...])
* Description: Returns the entries of arr1 that have values which are present in all the other arguments
* Source code: ext/standard/array.c
*/
/*
* Testing the functionality of array_intersect() by passing different
* associative arrays having different possible keys to $arr1 argument.
* The $arr2 argument is a fixed array
*/
echo "*** Testing array_intersect() : assoc array with diff keys to \$arr1 argument ***\n";
// get an unset variable
$unset_var = 10;
unset ($unset_var);
// get a heredoc string
$heredoc = <<<EOT
Hello world
EOT;
// different variations of associative arrays to be passed to $arr1 argument
$arrays = array (
// empty array
/*1*/ array(),
// arrays with integer keys
array(0 => "0"),
array(1 => "1"),
array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
// arrays with float keys
/*5*/ array(2.3333 => "float"),
array(1.2 => "f1", 3.33 => "f2",
4.89999922839999 => "f3",
33333333.333333 => "f4"),
// arrays with string keys
/*7*/ array('\tHello' => 111, 're\td' => "color",
'\v\fworld' => 2.2, 'pen\n' => 33),
array("\tHello" => 111, "re\td" => "color",
"\v\fworld" => 2.2, "pen\n" => 33),
array("hello", $heredoc => "string"), // heredoc
// array with unset variable
/*10*/ array( @$unset_var => "hello"),
// array with mixed keys
/*11*/ array('hello' => 1, "fruit" => 2.2,
133 => "int", 444.432 => "float",
@$unset_var => "unset", $heredoc => "heredoc")
);
// array to be passsed to $arr2 argument
$arr2 = array(1, "float", "f4", "hello", 2.2, 'color', "string", "pen\n", 11);
// loop through each sub-array within $arrrays to check the behavior of array_intersect()
$iterator = 1;
foreach($arrays as $arr1) {
echo "-- Iterator $iterator --\n";
// Calling array_intersect() with default arguments
var_dump( array_intersect($arr1, $arr2) );
// Calling array_intersect() with more arguments.
// additional argument passed is the same as $arr1 argument
var_dump( array_intersect($arr1, $arr2, $arr1) );
$iterator++;
}
echo "Done";
?>
--EXPECT--
*** Testing array_intersect() : assoc array with diff keys to $arr1 argument ***
-- Iterator 1 --
array(0) {
}
array(0) {
}
-- Iterator 2 --
array(0) {
}
array(0) {
}
-- Iterator 3 --
array(1) {
[1]=>
string(1) "1"
}
array(1) {
[1]=>
string(1) "1"
}
-- Iterator 4 --
array(1) {
[1]=>
string(1) "1"
}
array(1) {
[1]=>
string(1) "1"
}
-- Iterator 5 --
array(1) {
[2]=>
string(5) "float"
}
array(1) {
[2]=>
string(5) "float"
}
-- Iterator 6 --
array(1) {
[33333333]=>
string(2) "f4"
}
array(1) {
[33333333]=>
string(2) "f4"
}
-- Iterator 7 --
array(2) {
["re\td"]=>
string(5) "color"
["\v\fworld"]=>
float(2.2)
}
array(2) {
["re\td"]=>
string(5) "color"
["\v\fworld"]=>
float(2.2)
}
-- Iterator 8 --
array(2) {
["re d"]=>
string(5) "color"
[" world"]=>
float(2.2)
}
array(2) {
["re d"]=>
string(5) "color"
[" world"]=>
float(2.2)
}
-- Iterator 9 --
array(2) {
[0]=>
string(5) "hello"
["Hello world"]=>
string(6) "string"
}
array(2) {
[0]=>
string(5) "hello"
["Hello world"]=>
string(6) "string"
}
-- Iterator 10 --
array(1) {
[""]=>
string(5) "hello"
}
array(1) {
[""]=>
string(5) "hello"
}
-- Iterator 11 --
array(3) {
["hello"]=>
int(1)
["fruit"]=>
float(2.2)
[444]=>
string(5) "float"
}
array(3) {
["hello"]=>
int(1)
["fruit"]=>
float(2.2)
[444]=>
string(5) "float"
}
Done
|
