mirror of
https://github.com/php/php-src.git
synced 2026-04-02 21:52:36 +02:00
5831cca957
A lot of work is needed to properly handle all foreach edge cases, which is not going to happen anytime soon. So marking these tests as XFAIL for now.
560 lines
11 KiB
PHP
560 lines
11 KiB
PHP
--TEST--
|
|
Directly modifying a REFERENCED array when foreach'ing over it while using &$value syntax.
|
|
--XFAIL--
|
|
Needs major foreach changes to get sane behavior
|
|
--FILE--
|
|
<?php
|
|
|
|
define('MAX_LOOPS',5);
|
|
|
|
function withRefValue($elements, $transform) {
|
|
echo "\n---( Array with $elements element(s): )---\n";
|
|
//Build array:
|
|
for ($i=0; $i<$elements; $i++) {
|
|
$a[] = "v.$i";
|
|
}
|
|
$counter=0;
|
|
|
|
$ref = &$a;
|
|
|
|
echo "--> State of referenced array before loop:\n";
|
|
var_dump($a);
|
|
|
|
echo "--> Do loop:\n";
|
|
foreach ($a as $k=>&$v) {
|
|
echo " iteration $counter: \$k=$k; \$v=$v\n";
|
|
eval($transform);
|
|
$counter++;
|
|
if ($counter>MAX_LOOPS) {
|
|
echo " ** Stuck in a loop! **\n";
|
|
break;
|
|
}
|
|
}
|
|
|
|
echo "--> State of array after loop:\n";
|
|
var_dump($a);
|
|
}
|
|
|
|
|
|
echo "\nPopping elements off end of a referenced array, using &\$value";
|
|
$transform = 'array_pop($a);';
|
|
withRefValue(1, $transform);
|
|
withRefValue(2, $transform);
|
|
withRefValue(3, $transform);
|
|
withRefValue(4, $transform);
|
|
|
|
echo "\n\n\nShift elements off start of a referenced array, using &\$value";
|
|
$transform = 'array_shift($a);';
|
|
withRefValue(1, $transform);
|
|
withRefValue(2, $transform);
|
|
withRefValue(3, $transform);
|
|
withRefValue(4, $transform);
|
|
|
|
echo "\n\n\nRemove current element of a referenced array, using &\$value";
|
|
$transform = 'unset($a[$k]);';
|
|
withRefValue(1, $transform);
|
|
withRefValue(2, $transform);
|
|
withRefValue(3, $transform);
|
|
withRefValue(4, $transform);
|
|
|
|
echo "\n\n\nAdding elements to the end of a referenced array, using &\$value";
|
|
$transform = 'array_push($a, "new.$counter");';
|
|
withRefValue(1, $transform);
|
|
withRefValue(2, $transform);
|
|
withRefValue(3, $transform);
|
|
withRefValue(4, $transform);
|
|
|
|
echo "\n\n\nAdding elements to the start of a referenced array, using &\$value";
|
|
$transform = 'array_unshift($a, "new.$counter");';
|
|
withRefValue(1, $transform);
|
|
withRefValue(2, $transform);
|
|
withRefValue(3, $transform);
|
|
withRefValue(4, $transform);
|
|
|
|
?>
|
|
--EXPECTF--
|
|
|
|
Popping elements off end of a referenced array, using &$value
|
|
---( Array with 1 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(1) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
---( Array with 2 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(2) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=0; $v=v.0
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
---( Array with 3 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(3) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=1; $v=v.1
|
|
--> State of array after loop:
|
|
array(1) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
}
|
|
|
|
---( Array with 4 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(4) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
[3]=>
|
|
string(3) "v.3"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=1; $v=v.1
|
|
iteration 2: $k=0; $v=v.0
|
|
iteration 3: $k=0; $v=v.0
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
|
|
|
|
Shift elements off start of a referenced array, using &$value
|
|
---( Array with 1 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(1) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
---( Array with 2 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(2) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=0; $v=v.1
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
---( Array with 3 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(3) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=0; $v=v.1
|
|
iteration 2: $k=0; $v=v.2
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
---( Array with 4 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(4) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
[3]=>
|
|
string(3) "v.3"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=0; $v=v.1
|
|
iteration 2: $k=0; $v=v.2
|
|
iteration 3: $k=0; $v=v.3
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
|
|
|
|
Remove current element of a referenced array, using &$value
|
|
---( Array with 1 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(1) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
---( Array with 2 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(2) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=1; $v=v.1
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
---( Array with 3 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(3) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=1; $v=v.1
|
|
iteration 2: $k=2; $v=v.2
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
---( Array with 4 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(4) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
[3]=>
|
|
string(3) "v.3"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=1; $v=v.1
|
|
iteration 2: $k=2; $v=v.2
|
|
iteration 3: $k=3; $v=v.3
|
|
--> State of array after loop:
|
|
array(0) {
|
|
}
|
|
|
|
|
|
|
|
Adding elements to the end of a referenced array, using &$value
|
|
---( Array with 1 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(1) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
--> State of array after loop:
|
|
array(2) {
|
|
[0]=>
|
|
&string(3) "v.0"
|
|
[1]=>
|
|
string(5) "new.0"
|
|
}
|
|
|
|
---( Array with 2 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(2) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=1; $v=v.1
|
|
iteration 2: $k=2; $v=new.0
|
|
iteration 3: $k=3; $v=new.1
|
|
iteration 4: $k=4; $v=new.2
|
|
iteration 5: $k=5; $v=new.3
|
|
** Stuck in a loop! **
|
|
--> State of array after loop:
|
|
array(8) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(5) "new.0"
|
|
[3]=>
|
|
string(5) "new.1"
|
|
[4]=>
|
|
string(5) "new.2"
|
|
[5]=>
|
|
&string(5) "new.3"
|
|
[6]=>
|
|
string(5) "new.4"
|
|
[7]=>
|
|
string(5) "new.5"
|
|
}
|
|
|
|
---( Array with 3 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(3) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=1; $v=v.1
|
|
iteration 2: $k=2; $v=v.2
|
|
iteration 3: $k=3; $v=new.0
|
|
iteration 4: $k=4; $v=new.1
|
|
iteration 5: $k=5; $v=new.2
|
|
** Stuck in a loop! **
|
|
--> State of array after loop:
|
|
array(9) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
[3]=>
|
|
string(5) "new.0"
|
|
[4]=>
|
|
string(5) "new.1"
|
|
[5]=>
|
|
&string(5) "new.2"
|
|
[6]=>
|
|
string(5) "new.3"
|
|
[7]=>
|
|
string(5) "new.4"
|
|
[8]=>
|
|
string(5) "new.5"
|
|
}
|
|
|
|
---( Array with 4 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(4) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
[3]=>
|
|
string(3) "v.3"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=1; $v=v.1
|
|
iteration 2: $k=2; $v=v.2
|
|
iteration 3: $k=3; $v=v.3
|
|
iteration 4: $k=4; $v=new.0
|
|
iteration 5: $k=5; $v=new.1
|
|
** Stuck in a loop! **
|
|
--> State of array after loop:
|
|
array(10) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
[3]=>
|
|
string(3) "v.3"
|
|
[4]=>
|
|
string(5) "new.0"
|
|
[5]=>
|
|
&string(5) "new.1"
|
|
[6]=>
|
|
string(5) "new.2"
|
|
[7]=>
|
|
string(5) "new.3"
|
|
[8]=>
|
|
string(5) "new.4"
|
|
[9]=>
|
|
string(5) "new.5"
|
|
}
|
|
|
|
|
|
|
|
Adding elements to the start of a referenced array, using &$value
|
|
---( Array with 1 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(1) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
--> State of array after loop:
|
|
array(2) {
|
|
[0]=>
|
|
string(5) "new.0"
|
|
[1]=>
|
|
&string(3) "v.0"
|
|
}
|
|
|
|
---( Array with 2 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(2) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=0; $v=new.0
|
|
iteration 2: $k=0; $v=new.1
|
|
iteration 3: $k=0; $v=new.2
|
|
iteration 4: $k=0; $v=new.3
|
|
iteration 5: $k=0; $v=new.4
|
|
** Stuck in a loop! **
|
|
--> State of array after loop:
|
|
array(8) {
|
|
[0]=>
|
|
string(5) "new.5"
|
|
[1]=>
|
|
&string(5) "new.4"
|
|
[2]=>
|
|
string(5) "new.3"
|
|
[3]=>
|
|
string(5) "new.2"
|
|
[4]=>
|
|
string(5) "new.1"
|
|
[5]=>
|
|
string(5) "new.0"
|
|
[6]=>
|
|
string(3) "v.0"
|
|
[7]=>
|
|
string(3) "v.1"
|
|
}
|
|
|
|
---( Array with 3 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(3) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=0; $v=new.0
|
|
iteration 2: $k=0; $v=new.1
|
|
iteration 3: $k=0; $v=new.2
|
|
iteration 4: $k=0; $v=new.3
|
|
iteration 5: $k=0; $v=new.4
|
|
** Stuck in a loop! **
|
|
--> State of array after loop:
|
|
array(9) {
|
|
[0]=>
|
|
string(5) "new.5"
|
|
[1]=>
|
|
&string(5) "new.4"
|
|
[2]=>
|
|
string(5) "new.3"
|
|
[3]=>
|
|
string(5) "new.2"
|
|
[4]=>
|
|
string(5) "new.1"
|
|
[5]=>
|
|
string(5) "new.0"
|
|
[6]=>
|
|
string(3) "v.0"
|
|
[7]=>
|
|
string(3) "v.1"
|
|
[8]=>
|
|
string(3) "v.2"
|
|
}
|
|
|
|
---( Array with 4 element(s): )---
|
|
--> State of referenced array before loop:
|
|
array(4) {
|
|
[0]=>
|
|
string(3) "v.0"
|
|
[1]=>
|
|
string(3) "v.1"
|
|
[2]=>
|
|
string(3) "v.2"
|
|
[3]=>
|
|
string(3) "v.3"
|
|
}
|
|
--> Do loop:
|
|
iteration 0: $k=0; $v=v.0
|
|
iteration 1: $k=0; $v=new.0
|
|
iteration 2: $k=0; $v=new.1
|
|
iteration 3: $k=0; $v=new.2
|
|
iteration 4: $k=0; $v=new.3
|
|
iteration 5: $k=0; $v=new.4
|
|
** Stuck in a loop! **
|
|
--> State of array after loop:
|
|
array(10) {
|
|
[0]=>
|
|
string(5) "new.5"
|
|
[1]=>
|
|
&string(5) "new.4"
|
|
[2]=>
|
|
string(5) "new.3"
|
|
[3]=>
|
|
string(5) "new.2"
|
|
[4]=>
|
|
string(5) "new.1"
|
|
[5]=>
|
|
string(5) "new.0"
|
|
[6]=>
|
|
string(3) "v.0"
|
|
[7]=>
|
|
string(3) "v.1"
|
|
[8]=>
|
|
string(3) "v.2"
|
|
[9]=>
|
|
string(3) "v.3"
|
|
}
|