array_combine_variation3.phpt [plain text]
--TEST--
Test array_combine() function : usage variations - different arrays(Bug#43424)
--FILE--
<?php
/* Prototype : array array_combine(array $keys, array $values)
* Description: Creates an array by using the elements of the first parameter as keys
* and the elements of the second as the corresponding values
* Source code: ext/standard/array.c
*/
/*
* Passing different types of arrays to both $keys and $values arguments and testing whether
* array_combine() behaves in an expected way with the arguments passed to the function
*/
echo "*** Testing array_combine() : Passing different types of arrays to both \$keys and \$values argument ***\n";
/* Different heredoc strings passed as argument to arrays */
// heredoc with blank line
$blank_line = <<<EOT
EOT;
// heredoc with multiline string
$multiline_string = <<<EOT
hello world
The quick brown fox jumped over;
the lazy dog
This is a double quoted string
EOT;
// heredoc with diferent whitespaces
$diff_whitespaces = <<<EOT
hello\r world\t
1111\t\t != 2222\v\v
heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces
EOT;
// heredoc with quoted strings and numeric values
$numeric_string = <<<EOT
11 < 12. 123 >22
'single quoted string'
"double quoted string"
2222 != 1111.\t 0000 = 0000\n
EOT;
// arrays passed to $keys argument
$arrays = array (
/*1*/ array(1, 2), // with default keys and numeric values
array(1.1, 2.2), // with default keys & float values
array(false,true), // with default keys and boolean values
array(), // empty array
/*5*/ array(NULL), // with NULL
array("a\v\f","aaaa\r","b","b\tbbb","c","\[\]\!\@\#\$\%\^\&\*\(\)\{\}"), // with double quoted strings
array('a\v\f','aaaa\r','b','b\tbbb','c','\[\]\!\@\#\$\%\^\&\*\(\)\{\}'), // with single quoted strings
array("h1" => $blank_line, "h2" => $multiline_string, "h3" => $diff_whitespaces, $numeric_string), // with heredocs
// associative arrays
/*9*/ array(1 => "one", 2 => "two", 3 => "three"), // explicit numeric keys, string values
array("one" => 1, "two" => 2, "three" => 3 ), // string keys & numeric values
array( 1 => 10, 2 => 20, 4 => 40, 3 => 30), // explicit numeric keys and numeric values
array( "one" => "ten", "two" => "twenty", "three" => "thirty"), // string key/value
array("one" => 1, 2 => "two", 4 => "four"), //mixed
// associative array, containing null/empty/boolean values as key/value
/*14*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
array(true => "true", false => "false", "false" => false, "true" => true),
array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
// array with repetative keys
/*19*/ array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
);
// loop through each sub-array within $arrays to check the behavior of array_combine()
// same arrays are passed to both $keys and $values
$iterator = 1;
foreach($arrays as $array) {
echo "-- Iteration $iterator --\n";
var_dump( array_combine($array, $array) );
$iterator++;
}
echo "Done";
?>
--EXPECTF--
*** Testing array_combine() : Passing different types of arrays to both $keys and $values argument ***
-- Iteration 1 --
array(2) {
[1]=>
int(1)
[2]=>
int(2)
}
-- Iteration 2 --
array(2) {
["1.1"]=>
float(1.1)
["2.2"]=>
float(2.2)
}
-- Iteration 3 --
array(2) {
[""]=>
bool(false)
[1]=>
bool(true)
}
-- Iteration 4 --
Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
bool(false)
-- Iteration 5 --
array(1) {
[""]=>
NULL
}
-- Iteration 6 --
array(6) {
["a "]=>
string(3) "a "
["aaaa
"]=>
string(5) "aaaa
"
["b"]=>
string(1) "b"
["b bbb"]=>
string(5) "b bbb"
["c"]=>
string(1) "c"
["\[\]\!\@\#$\%\^\&\*\(\)\{\}"]=>
string(27) "\[\]\!\@\#$\%\^\&\*\(\)\{\}"
}
-- Iteration 7 --
array(6) {
["a\v\f"]=>
string(5) "a\v\f"
["aaaa\r"]=>
string(6) "aaaa\r"
["b"]=>
string(1) "b"
["b\tbbb"]=>
string(6) "b\tbbb"
["c"]=>
string(1) "c"
["\[\]\!\@\#\$\%\^\&\*\(\)\{\}"]=>
string(28) "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"
}
-- Iteration 8 --
array(4) {
["
"]=>
string(1) "
"
["hello world
The quick brown fox jumped over;
the lazy dog
This is a double quoted string"]=>
string(88) "hello world
The quick brown fox jumped over;
the lazy dog
This is a double quoted string"
["hello
world
1111 != 2222
heredoc
double quoted string. with different white spaces"]=>
string(88) "hello
world
1111 != 2222
heredoc
double quoted string. with different white spaces"
["11 < 12. 123 >22
'single quoted string'
"double quoted string"
2222 != 1111. 0000 = 0000
"]=>
string(90) "11 < 12. 123 >22
'single quoted string'
"double quoted string"
2222 != 1111. 0000 = 0000
"
}
-- Iteration 9 --
array(3) {
["one"]=>
string(3) "one"
["two"]=>
string(3) "two"
["three"]=>
string(5) "three"
}
-- Iteration 10 --
array(3) {
[1]=>
int(1)
[2]=>
int(2)
[3]=>
int(3)
}
-- Iteration 11 --
array(4) {
[10]=>
int(10)
[20]=>
int(20)
[40]=>
int(40)
[30]=>
int(30)
}
-- Iteration 12 --
array(3) {
["ten"]=>
string(3) "ten"
["twenty"]=>
string(6) "twenty"
["thirty"]=>
string(6) "thirty"
}
-- Iteration 13 --
array(3) {
[1]=>
int(1)
["two"]=>
string(3) "two"
["four"]=>
string(4) "four"
}
-- Iteration 14 --
array(2) {
["null"]=>
string(4) "null"
[""]=>
NULL
}
-- Iteration 15 --
array(4) {
["true"]=>
string(4) "true"
["false"]=>
string(5) "false"
[""]=>
bool(false)
[1]=>
bool(true)
}
-- Iteration 16 --
array(2) {
["emptys"]=>
string(6) "emptys"
[""]=>
string(0) ""
}
-- Iteration 17 --
array(2) {
[""]=>
bool(false)
[1]=>
bool(true)
}
-- Iteration 18 --
array(3) {
[4]=>
int(4)
[5]=>
int(5)
[6]=>
int(6)
}
-- Iteration 19 --
array(3) {
[10]=>
int(10)
[20]=>
int(20)
[3]=>
int(3)
}
Done