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|
--TEST--
Foreach loop tests - substituting the entire iterated entity during the loop.
--FILE--
<?php
class C {
public $a = "Original a";
public $b = "Original b";
public $c = "Original c";
public $d = "Original d";
public $e = "Original e";
}
echo "\nSubstituting the iterated object for a different object.\n";
$obj = new C;
$obj2 = new stdclass;
$obj2->a = "new a";
$obj2->b = "new b";
$obj2->c = "new c";
$obj2->d = "new d";
$obj2->e = "new e";
$obj2->f = "new f";
$ref = &$obj;
$count=0;
foreach ($obj as $v) {
var_dump($v);
if ($v==$obj->b) {
$ref=$obj2;
}
if (++$count>10) {
echo "Loop detected.\n";
break;
}
}
var_dump($obj);
echo "\nSubstituting the iterated object for an array.\n";
$obj = new C;
$a = array(1,2,3,4,5,6,7,8);
$ref = &$obj;
$count=0;
foreach ($obj as $v) {
var_dump($v);
if ($v==="Original b") {
$ref=$a;
}
if (++$count>10) {
echo "Loop detected.\n";
break;
}
}
var_dump($obj);
echo "\nSubstituting the iterated array for an object.\n";
$a = array(1,2,3,4,5,6,7,8);
$obj = new C;
$ref = &$a;
$count=0;
foreach ($a as $v) {
var_dump($v);
if ($v===2) {
$ref=$obj;
}
if (++$count>10) {
echo "Loop detected.\n";
break;
}
}
var_dump($obj);
?>
--EXPECTF--
Substituting the iterated object for a different object.
string(10) "Original a"
string(10) "Original b"
string(10) "Original c"
string(10) "Original d"
string(10) "Original e"
object(stdClass)#%d (6) {
["a"]=>
string(5) "new a"
["b"]=>
string(5) "new b"
["c"]=>
string(5) "new c"
["d"]=>
string(5) "new d"
["e"]=>
string(5) "new e"
["f"]=>
string(5) "new f"
}
Substituting the iterated object for an array.
string(10) "Original a"
string(10) "Original b"
string(10) "Original c"
string(10) "Original d"
string(10) "Original e"
array(8) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
[5]=>
int(6)
[6]=>
int(7)
[7]=>
int(8)
}
Substituting the iterated array for an object.
int(1)
int(2)
int(3)
int(4)
int(5)
int(6)
int(7)
int(8)
object(C)#%d (5) {
["a"]=>
string(10) "Original a"
["b"]=>
string(10) "Original b"
["c"]=>
string(10) "Original c"
["d"]=>
string(10) "Original d"
["e"]=>
string(10) "Original e"
}
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