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Resources used as array keys are generally handled by throwing a notice and converting the resource to the resource handle. The only exception is the [$resource => null] syntax, where this was treated as an illegal offset type instead. However, this also only happened for VM evaluations, the AST evaluator did handle resources correctly.
137 lines
2.8 KiB
PHP
137 lines
2.8 KiB
PHP
--TEST--
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Test array_unique() function : usage variations - associative array with different keys
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--FILE--
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<?php
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/* Prototype : array array_unique(array $input)
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* Description: Removes duplicate values from array
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* Source code: ext/standard/array.c
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*/
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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 keys to $input argument.
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*/
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echo "*** Testing array_unique() : assoc. array with diff. keys passed to \$input argument ***\n";
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// get an unset variable
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$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 class
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class classA
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{
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public function __toString(){
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return "Class A object";
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}
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}
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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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// different associative arrays to be passed to $input argument
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$inputs = array (
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/*1*/ // arrays with integer keys
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array(0 => "0", 1 => "0"),
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array(1 => "1", 2 => "2", 3 => 1, 4 => "4"),
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// arrays with float keys
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/*3*/ array(2.3333 => "float", 44.44 => "float"),
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array(1.2 => "f1", 3.33 => "f2", 4.89999922839999 => "f1", 3333333.333333 => "f4"),
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// arrays with string keys
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/*5*/ array('\tHello' => 111, 're\td' => "color", '\v\fworld' => 2.2, 'pen\n' => 111),
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array("\tHello" => 111, "re\td" => "color", "\v\fworld" => 2.2, "pen\n" => 111),
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array("hello", $heredoc => "string", "string"),
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// array with object, unset variable and resource variable
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/*8*/ array(new classA() => 11, @$unset_var => "hello", $fp => 'resource', 11, "hello"),
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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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--EXPECTF--
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*** Testing array_unique() : assoc. array with diff. keys passed to $input argument ***
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Warning: Illegal offset type in %s on line %d
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Notice: Resource ID#%d used as offset, casting to integer (%d) in %s on line %d
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-- Iteration 1 --
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array(1) {
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[0]=>
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string(1) "0"
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}
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-- Iteration 2 --
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array(3) {
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[1]=>
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string(1) "1"
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[2]=>
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string(1) "2"
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[4]=>
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string(1) "4"
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}
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-- Iteration 3 --
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array(1) {
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[2]=>
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string(5) "float"
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}
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-- Iteration 4 --
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array(3) {
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[1]=>
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string(2) "f1"
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[3]=>
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string(2) "f2"
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[3333333]=>
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string(2) "f4"
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}
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-- Iteration 5 --
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array(3) {
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["\tHello"]=>
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int(111)
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["re\td"]=>
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string(5) "color"
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["\v\fworld"]=>
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float(2.2)
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}
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-- Iteration 6 --
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array(3) {
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[" Hello"]=>
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int(111)
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["re d"]=>
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string(5) "color"
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[" world"]=>
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float(2.2)
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}
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-- Iteration 7 --
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array(2) {
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[0]=>
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string(5) "hello"
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["Hello world"]=>
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string(6) "string"
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}
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-- Iteration 8 --
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array(3) {
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[""]=>
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string(5) "hello"
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[5]=>
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string(8) "resource"
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[6]=>
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int(11)
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}
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Done
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