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--TEST--
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Test array_unique() function : usage variations - associative array with different values
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--SKIPIF--
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<?php die("skip AOT float-to-string key precision differs from PHP"); ?>
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--FILE--
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<?php
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// get a class
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class classA
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{
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public function __toString(): string {
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return "Class A object";
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}
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}
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function main()
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{
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ini_set("serialize_precision", "14");
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/*
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* Testing the functionality of array_unique() by passing different
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* associative arrays having different values to $input argument.
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*/
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echo "*** Testing array_unique() : assoc. array with diff. values to \$input argument ***\n";
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// get an unset variable
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$unset_var = 10;
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unset($unset_var);
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// get a resource variable
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$fp = fopen(__FILE__, "r");
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// get a heredoc string
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$heredoc = <<<EOT
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Hello world
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EOT;
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// associative arrays with different values
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$inputs = array(
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// arrays with integer values
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/*1*/
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array('0' => 0, '1' => 0),
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array("one" => 1, 'two' => 2, "three" => 1, 4 => 1),
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// arrays with string values
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/*5*/
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array(111 => "\tHello", "red" => "col\tor", 2 => "\v\fworld", 3 => "\tHello"),
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array(111 => '\tHello', "red" => 'col\tor', 2 => '\v\fworld', 3 => '\tHello'),
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array(1 => "hello", "heredoc" => $heredoc, $heredoc),
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// array with object, unset variable and resource variable
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/*8*/
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array(11 => new classA(), "unset" => @$unset_var, "resource" => $fp, new classA(), $fp),
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);
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// loop through each sub-array of $inputs to check the behavior of array_unique()
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$iterator = 1;
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foreach ($inputs as $input) {
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echo "-- Iteration {$iterator} --\n";
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var_dump(array_unique($input));
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$iterator++;
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}
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fclose($fp);
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echo "Done";
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}
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?>
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--EXPECTF--
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*** Testing array_unique() : assoc. array with diff. values to $input argument ***
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-- Iteration 1 --
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array(1) {
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[0]=>
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int(0)
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}
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-- Iteration 2 --
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array(2) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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-- Iteration 3 --
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array(3) {
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[111]=>
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string(6) " Hello"
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["red"]=>
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string(6) "col or"
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[2]=>
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string(7) " world"
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}
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-- Iteration 4 --
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array(3) {
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[111]=>
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string(7) "\tHello"
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["red"]=>
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string(7) "col\tor"
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[2]=>
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string(9) "\v\fworld"
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}
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-- Iteration 5 --
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array(2) {
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[1]=>
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string(5) "hello"
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["heredoc"]=>
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string(11) "Hello world"
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}
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-- Iteration 6 --
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array(3) {
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[11]=>
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object(classA)#%d (0) {
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}
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["unset"]=>
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NULL
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["resource"]=>
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resource(%d) of type (stream)
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}
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Done
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