--TEST--
Test each() function : usage variations - Referenced variables
--FILE--
<?php
/* Prototype : array each(array $arr)
* Description: Return the currently pointed key..value pair in the passed array,
* and advance the pointer to the next element
* Source code: Zend/zend_builtin_functions.c
*/
/*
* Test behaviour of each() when:
* 1. Passed an array made up of referenced variables
* 2. Passed an array as $arr argument by reference
*/
echo "*** Testing each() : usage variations ***\n";
echo "\n-- Array made up of referenced variables: --\n";
$val1 = 'foo';
$val2 = 'bar';
$arr1 = array('one' => &$val1, &$val2);
echo "-- Call each until at the end of the array: --\n";
var_dump( each($arr1) );
var_dump( each($arr1) );
var_dump( each($arr1) );
echo "Done";
?>
--EXPECTF--
*** Testing each() : usage variations ***
-- Array made up of referenced variables: --
-- Call each until at the end of the array: --
array(4) {
[1]=>
string(3) "foo"
["value"]=>
string(3) "foo"
[0]=>
string(3) "one"
["key"]=>
string(3) "one"
}
array(4) {
[1]=>
string(3) "bar"
["value"]=>
string(3) "bar"
[0]=>
int(0)
["key"]=>
int(0)
}
bool(false)
Done
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