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Fix filter_var with callback and explicit REQUIRE_SCALAR #12203

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Fix filter_var with callback and explicit REQUIRE_SCALAR #12203

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16 changes: 8 additions & 8 deletions ext/filter/filter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -551,14 +551,6 @@ static void php_filter_call(
filter = zval_get_long(option);
}

if ((option = zend_hash_str_find(filter_args_ht, "flags", sizeof("flags") - 1)) != NULL) {
filter_flags = zval_get_long(option);

if (!(filter_flags & FILTER_REQUIRE_ARRAY || filter_flags & FILTER_FORCE_ARRAY)) {
filter_flags |= FILTER_REQUIRE_SCALAR;
}
}

if ((option = zend_hash_str_find_deref(filter_args_ht, "options", sizeof("options") - 1)) != NULL) {
if (filter != FILTER_CALLBACK) {
if (Z_TYPE_P(option) == IS_ARRAY) {
Expand All @@ -569,6 +561,14 @@ static void php_filter_call(
filter_flags = 0;
}
}

if ((option = zend_hash_str_find(filter_args_ht, "flags", sizeof("flags") - 1)) != NULL) {
filter_flags = zval_get_long(option);

if (!(filter_flags & FILTER_REQUIRE_ARRAY || filter_flags & FILTER_FORCE_ARRAY)) {
filter_flags |= FILTER_REQUIRE_SCALAR;
}
}
}

if (Z_TYPE_P(filtered) == IS_ARRAY) {
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18 changes: 18 additions & 0 deletions ext/filter/tests/filter_callback_require_scalar.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
--TEST--
FILTER_CALLBACK with explicit FILTER_REQUIRE_SCALAR
--EXTENSIONS--
filter
--FILE--
<?php
function test($var) {
$callback = function ($var) {
return $var;
};
return filter_var($var, FILTER_CALLBACK, ['options' => $callback, 'flags' => FILTER_REQUIRE_SCALAR]);
}
var_dump(test('test'));
var_dump(test(['test']));
?>
--EXPECT--
string(4) "test"
bool(false)