mirror of
https://github.com/php/php-src.git
synced 2024-09-24 03:17:26 +00:00
48 lines
902 B
PHP
48 lines
902 B
PHP
--TEST--
|
|
Test key() function : basic functionality
|
|
--FILE--
|
|
<?php
|
|
/* Prototype : mixed key(array $array_arg)
|
|
* Description: Return the key of the element currently pointed to by the internal array pointer
|
|
* Source code: ext/standard/array.c
|
|
*/
|
|
|
|
/*
|
|
* Test basic functionality of key()
|
|
*/
|
|
|
|
echo "*** Testing key() : basic functionality ***\n";
|
|
|
|
$array = array ('zero', 99 => 'one', 'two', 'three' => 3);
|
|
echo "\n-- Initial Position: --\n";
|
|
var_dump(key($array));
|
|
|
|
echo "\n-- Next Position: --\n";
|
|
next($array);
|
|
var_dump(key($array));
|
|
|
|
echo "\n-- End Position: --\n";
|
|
end($array);
|
|
var_dump(key($array));
|
|
|
|
echo "\n-- Past end of the array --\n";
|
|
next($array);
|
|
var_dump(key($array));
|
|
?>
|
|
===DONE===
|
|
--EXPECTF--
|
|
*** Testing key() : basic functionality ***
|
|
|
|
-- Initial Position: --
|
|
int(0)
|
|
|
|
-- Next Position: --
|
|
int(99)
|
|
|
|
-- End Position: --
|
|
string(5) "three"
|
|
|
|
-- Past end of the array --
|
|
NULL
|
|
===DONE===
|