PAL.C.T MINI SHELL
--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
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