mirror of
https://github.com/php/php-src.git
synced 2024-09-24 19:37:26 +00:00
83 lines
1.5 KiB
PHP
83 lines
1.5 KiB
PHP
--TEST--
|
|
Test array_shift() function : usage variations - Referenced arrays
|
|
--FILE--
|
|
<?php
|
|
/* Prototype : mixed array_shift(array &$stack)
|
|
* Description: Pops an element off the beginning of the array
|
|
* Source code: ext/standard/array.c
|
|
*/
|
|
|
|
/*
|
|
* Test how array_shift when passed:
|
|
* 1. a variable that is referenced to an array
|
|
* 2. an array that contains a referenced array
|
|
*/
|
|
|
|
echo "*** Testing array_shift() : usage variations ***\n";
|
|
|
|
echo "\n-- Variable is referenced array --\n";
|
|
$original_array = array('zero', 'one', 'two');
|
|
$copied_array = &$original_array;
|
|
|
|
echo "Result: ";
|
|
var_dump(array_shift($copied_array));
|
|
echo "\n\$original_array:\n";
|
|
var_dump($original_array);
|
|
echo "\n\$copied_array:\n";
|
|
var_dump($copied_array);
|
|
|
|
echo "\n-- Element is referenced array --\n";
|
|
$new_array = array (&$copied_array, 1, 'two');
|
|
echo "Result: ";
|
|
var_dump(array_shift($new_array[0]));
|
|
echo "\n\$new_array:\n";
|
|
var_dump($new_array);
|
|
echo "\n\$copied_array\n";
|
|
var_dump($copied_array);
|
|
|
|
echo "Done";
|
|
?>
|
|
--EXPECTF--
|
|
*** Testing array_shift() : usage variations ***
|
|
|
|
-- Variable is referenced array --
|
|
Result: string(4) "zero"
|
|
|
|
$original_array:
|
|
array(2) {
|
|
[0]=>
|
|
string(3) "one"
|
|
[1]=>
|
|
string(3) "two"
|
|
}
|
|
|
|
$copied_array:
|
|
array(2) {
|
|
[0]=>
|
|
string(3) "one"
|
|
[1]=>
|
|
string(3) "two"
|
|
}
|
|
|
|
-- Element is referenced array --
|
|
Result: string(3) "one"
|
|
|
|
$new_array:
|
|
array(3) {
|
|
[0]=>
|
|
&array(1) {
|
|
[0]=>
|
|
string(3) "two"
|
|
}
|
|
[1]=>
|
|
int(1)
|
|
[2]=>
|
|
string(3) "two"
|
|
}
|
|
|
|
$copied_array
|
|
array(1) {
|
|
[0]=>
|
|
string(3) "two"
|
|
}
|
|
Done
|