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ext/spl: Throw TypeError when overloaded SplObjectStorage::getHash() method does not return a string

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Gina Peter Banyard 2024-03-10 16:25:15 +00:00
parent 610c7a07b1
commit a648365fc0
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GPG key ID: 3306078E3194AEBD
2 changed files with 47 additions and 42 deletions
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23
ext/spl/spl_observer.c
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@ -87,20 +87,21 @@ static zend_result spl_object_storage_get_hash(zend_hash_key *key, spl_SplObject
zval param;
zval rv;
ZVAL_OBJ(&param, obj);
zend_call_method_with_1_params(
&intern->std, intern->std.ce, &intern->fptr_get_hash, "getHash", &rv, &param);
if (!Z_ISUNDEF(rv)) {
if (Z_TYPE(rv) == IS_STRING) {
key->key = Z_STR(rv);
return SUCCESS;
} else {
zend_throw_exception(spl_ce_RuntimeException, "Hash needs to be a string", 0);
zend_call_method_with_1_params(&intern->std, intern->std.ce, &intern->fptr_get_hash, "getHash", &rv, &param);
if (UNEXPECTED(Z_ISUNDEF(rv))) {
/* An exception has occurred */
return FAILURE;
} else {
/* TODO PHP 9: Remove this as this will be enforced from the return type */
if (UNEXPECTED(Z_TYPE(rv) != IS_STRING)) {
zend_type_error("%s::getHash(): Return value must be of type string, %s returned",
ZSTR_VAL(intern->std.ce->name), zend_zval_value_name(&rv));
zval_ptr_dtor(&rv);
return FAILURE;
} else {
key->key = Z_STR(rv);
return SUCCESS;
}
} else {
return FAILURE;
}
} else {
key->key = NULL;

66
ext/spl/tests/SplObjectStorage/SplObjectStorage_getHash.phpt
View file

@ -1,27 +1,15 @@
--TEST--
SplObjectStorage::getHash implementation
SplObjectStorage::getHash() implementation
--FILE--
<?php
$s = new SplObjectStorage();
$o1 = new Stdclass;
$o2 = new Stdclass;
$s[$o1] = "some_value\n";
echo $s->offsetGet($o1);
class MySplObjectStorage extends SplObjectStorage {
class MySplObjectStorage1 extends SplObjectStorage {
#[ReturnTypeWillChange]
public function getHash($obj) {
return 2;
}
}
try {
$s1 = new MySplObjectStorage;
$s1[$o1] = "foo";
} catch(Exception $e) {
echo "caught 1\n";
}
class MySplObjectStorage2 extends SplObjectStorage {
public function getHash($obj): string {
throw new Exception("foo");
@ -29,31 +17,47 @@ class MySplObjectStorage2 extends SplObjectStorage {
}
}
try {
$s2 = new MySplObjectStorage2;
$s2[$o2] = "foo";
} catch(Exception $e) {
echo "caught 2\n";
}
class MySplObjectStorage3 extends SplObjectStorage {
public function getHash($obj): string {
return "asd";
}
}
$s3 = new MySplObjectStorage3;
$s3[$o1] = $o1;
var_dump($s3[$o1]);
$s3[$o2] = $o2;
$s = new SplObjectStorage();
$o1 = new stdClass();
$o2 = new stdClass();
var_dump($s3[$o1] === $s3[$o2]);
$instances = [
new SplObjectStorage(),
new MySplObjectStorage1(),
new MySplObjectStorage2(),
new MySplObjectStorage3(),
];
foreach ($instances as $instance) {
echo 'Instance as ', $instance::class, PHP_EOL;
try {
$instance[$o1] = 'foo';
var_dump($instance->offsetGet($o1));
var_dump($instance[$o1]);
$instance[$o2] = $o2;
var_dump($instance[$o1] === $instance[$o2]);
} catch(Throwable $e) {
echo $e::class, ': ', $e->getMessage(), PHP_EOL;
}
}
?>
--EXPECT--
some_value
caught 1
caught 2
object(stdClass)#2 (0) {
}
Instance as SplObjectStorage
string(3) "foo"
string(3) "foo"
bool(false)
Instance as MySplObjectStorage1
TypeError: MySplObjectStorage1::getHash(): Return value must be of type string, int returned
Instance as MySplObjectStorage2
Exception: foo
Instance as MySplObjectStorage3
string(3) "foo"
string(3) "foo"
bool(true)