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--TEST--
Ensure foreach splits the iterated entity from its cow reference set, for all sorts of iterated entities.
--FILE--
<?php
error_reporting(E_ALL & ~E_STRICT);
echo "\n" . '$a' . "\n";
$b = $a = array('original');
foreach($a as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '${\'a\'}' . "\n";
$b = $a = array('original');
foreach(${'a'} as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '$$a' . "\n";
$a = 'blah';
$$a = array('original');
$b = $$a;
foreach($$a as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '$a[0]' . "\n";
$b = $a[0] = array('original');
foreach($a[0] as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '$a[0][0]' . "\n";
$b = $a[0][0] = array('original');
foreach($a[0][0] as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '$a->b' . "\n";
$b = $a->b = array('original');
foreach($a->b as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '$a->b->c' . "\n";
$b = $a->b->c = array('original');
foreach($a->b as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '$a->b[0]' . "\n";
$b = $a->b[0] = array('original');
foreach($a->b[0] as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '$a->b[0][0]' . "\n";
$b = $a->b[0][0] = array('original');
foreach($a->b[0][0] as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . '$a->b[0]->c' . "\n";
$b = $a->b[0]->c = array('original');
foreach($a->b[0]->c as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
class C {
public static $a;
}
echo "\n" . 'C::$a' . "\n";
C::$a = array('original');
$b = C::$a;
foreach(C::$a as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset($a, $b);
echo "\n" . 'C::$a[0]' . "\n";
C::$a[0] = array('original');
$b = C::$a[0];
foreach(C::$a[0] as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset(C::$a[0], $b);
echo "\n" . 'C::$a[0]->b' . "\n";
C::$a[0]->b = array('original');
$b = C::$a[0]->b;
foreach(C::$a[0]->b as $k=>&$v) {
$v = 'changed';
}
var_dump($b);
unset(C::$a[0]->b, $b);
?>
--EXPECTF--
$a
array(1) {
[0]=>
string(8) "original"
}
${'a'}
array(1) {
[0]=>
string(8) "original"
}
$$a
array(1) {
[0]=>
string(8) "original"
}
$a[0]
array(1) {
[0]=>
string(8) "original"
}
$a[0][0]
array(1) {
[0]=>
string(8) "original"
}
$a->b
Warning: Creating default object from empty value in %s on line %d
array(1) {
[0]=>
string(8) "original"
}
$a->b->c
Warning: Creating default object from empty value in %s on line %d
array(1) {
[0]=>
string(8) "original"
}
$a->b[0]
array(1) {
[0]=>
string(8) "original"
}
$a->b[0][0]
array(1) {
[0]=>
string(8) "original"
}
$a->b[0]->c
Warning: Creating default object from empty value in %s on line %d
array(1) {
[0]=>
string(8) "original"
}
C::$a
array(1) {
[0]=>
string(8) "original"
}
C::$a[0]
array(1) {
[0]=>
string(8) "original"
}
C::$a[0]->b
Warning: Creating default object from empty value in %s on line %d
array(1) {
[0]=>
string(8) "original"
}
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