php-src/ext/spl/tests/arrayObject_getIteratorClass_basic1.phpt
Nikita Popov f556a30b92 Narrow ArrayIterator::key() return type
This can only return string|int|null, not any key type.
2021-07-15 11:03:50 +02:00

116 lines
2.6 KiB
PHP

--TEST--
SPL: ArrayObject::getIteratorClass and ArrayObject::setIteratorClass basic functionality
--FILE--
<?php
class MyIterator extends ArrayIterator {
function __construct() {
$args = func_get_args();
echo " In " . __METHOD__ . "(" . implode(',', $args) . ")\n";
}
function rewind(): void {
$args = func_get_args();
echo " In " . __METHOD__ . "(" . implode(',', $args) . ")\n";
parent::rewind();
}
function valid(): bool {
$args = func_get_args();
echo " In " . __METHOD__ . "(" . implode(',', $args) . ")\n";
return parent::valid();
}
function current(): mixed {
$args = func_get_args();
echo " In " . __METHOD__ . "(" . implode(',', $args) . ")\n";
return parent::current();
}
function next(): void {
$args = func_get_args();
echo " In " . __METHOD__ . "(" . implode(',', $args) . ")\n";
parent::next();
}
function key(): string|int|null {
$args = func_get_args();
echo " In " . __METHOD__ . "(" . implode(',', $args) . ")\n";
return parent::key();
}
}
$ao = new ArrayObject(array('a'=>1,'b'=>2,'c'=>3), 0, "MyIterator");
echo "--> Access using MyIterator:\n";
var_dump($ao->getIteratorClass());
var_dump($ao->getIterator());
foreach($ao as $key=>$value) {
echo " $key=>$value\n";
}
echo "\n\n--> Access using ArrayIterator:\n";
var_dump($ao->setIteratorClass("ArrayIterator"));
var_dump($ao->getIteratorClass());
var_dump($ao->getIterator());
foreach($ao as $key=>$value) {
echo "$key=>$value\n";
}
?>
--EXPECT--
--> Access using MyIterator:
string(10) "MyIterator"
object(MyIterator)#2 (1) {
["storage":"ArrayIterator":private]=>
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(3) {
["a"]=>
int(1)
["b"]=>
int(2)
["c"]=>
int(3)
}
}
}
In MyIterator::rewind()
In MyIterator::valid()
In MyIterator::current()
In MyIterator::key()
a=>1
In MyIterator::next()
In MyIterator::valid()
In MyIterator::current()
In MyIterator::key()
b=>2
In MyIterator::next()
In MyIterator::valid()
In MyIterator::current()
In MyIterator::key()
c=>3
In MyIterator::next()
In MyIterator::valid()
--> Access using ArrayIterator:
NULL
string(13) "ArrayIterator"
object(ArrayIterator)#3 (1) {
["storage":"ArrayIterator":private]=>
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(3) {
["a"]=>
int(1)
["b"]=>
int(2)
["c"]=>
int(3)
}
}
}
a=>1
b=>2
c=>3