mirror of
https://github.com/php/php-src.git
synced 2024-09-27 21:07:25 +00:00
50 lines
1.3 KiB
PHP
50 lines
1.3 KiB
PHP
--TEST--
|
|
Test array_key_exists() function : usage variations - referenced variables
|
|
--FILE--
|
|
<?php
|
|
/* Prototype : bool array_key_exists(mixed $key, array $search)
|
|
* Description: Checks if the given key or index exists in the array
|
|
* Source code: ext/standard/array.c
|
|
* Alias to functions: key_exists
|
|
*/
|
|
|
|
/*
|
|
* Pass referenced variables as arguments to array_key_exists() to test behaviour
|
|
*/
|
|
|
|
echo "*** Testing array_key_exists() : usage variations ***\n";
|
|
|
|
$array = array('one' => 1, 'two' => 2, 'three' => 3);
|
|
|
|
echo "\n-- \$search is a reference to \$array --\n";
|
|
$search = &$array;
|
|
var_dump(array_key_exists('one', $search));
|
|
|
|
echo "\n-- \$key is a referenced variable --\n";
|
|
$key = 'two';
|
|
var_dump(array_key_exists(&$key, $array));
|
|
|
|
echo "\n-- Both arguments are referenced variables --\n";
|
|
var_dump(array_key_exists(&$key, &$array));
|
|
|
|
echo "Done";
|
|
?>
|
|
|
|
--EXPECTF--
|
|
Deprecated: Call-time pass-by-reference has been deprecated in %s on line %d
|
|
|
|
Deprecated: Call-time pass-by-reference has been deprecated in %s on line %d
|
|
|
|
Deprecated: Call-time pass-by-reference has been deprecated in %s on line %d
|
|
*** Testing array_key_exists() : usage variations ***
|
|
|
|
-- $search is a reference to $array --
|
|
bool(true)
|
|
|
|
-- $key is a referenced variable --
|
|
bool(true)
|
|
|
|
-- Both arguments are referenced variables --
|
|
bool(true)
|
|
Done
|