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--TEST--
Test array_flip() function : basic functionality
--FILE--
<?php
/* Prototype : array array_flip(array $input)
* Description: Return array with key <-> value flipped
* Source code: ext/standard/array.c
*/
echo "*** Testing array_flip() : basic functionality ***\n";
// array with default keys - numeric values
$input = array(1, 2);
var_dump( array_flip($input) );
// array with default keys - string values
$input = array('value1', "value2");
var_dump( array_flip($input) );
// associative arrays - key as string
$input = array('key1' => 1, "key2" => 2);
var_dump( array_flip($input) );
// associative arrays - key as numeric
$input = array(1 => 'one', 2 => "two");
var_dump( array_flip($input) );
// combination of associative and non-associative array
$input = array(1 => 'one','two', 3 => 'three', 4, "five" => 5);
var_dump( array_flip($input) );
echo "Done"
?>
--EXPECT--
*** Testing array_flip() : basic functionality ***
array(2) {
[1]=>
int(0)
[2]=>
int(1)
}
array(2) {
["value1"]=>
int(0)
["value2"]=>
int(1)
}
array(2) {
[1]=>
string(4) "key1"
[2]=>
string(4) "key2"
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(5) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
[4]=>
int(4)
[5]=>
string(4) "five"
}
Done
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