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Merge pull request #510 from chrisbckr/php8-tojson

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Implements toJSON function that redirects to jsonSerialize
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Stefan Siegl 2023-02-22 20:26:04 +01:00 committed by GitHub
commit 21ed0f8ba9
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2 changed files with 48 additions and 0 deletions
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20
tests/tojson_001.phpt Normal file
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@ -0,0 +1,20 @@
--TEST--
Test V8::executeString() : redirects toJSON() to jsonSerialize
--SKIPIF--
<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
--FILE--
<?php
class Foo implements JsonSerializable {
public function jsonSerialize(): mixed {
return ['foo', 'bar'];
}
}
$v8 = new V8Js;
$v8->foo = new Foo;
$v8->executeString('var_dump(JSON.stringify(PHP.foo));');
?>
===EOF===
--EXPECTF--
string(13) "["foo","bar"]"
===EOF===

28
v8js_object_export.cc
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@ -1007,6 +1007,34 @@ static v8::MaybeLocal<v8::Object> v8js_wrap_object(v8::Isolate *isolate, zend_cl
v8::MaybeLocal<v8::Object> newobj = constr->NewInstance(v8_context, 1, &external); v8::MaybeLocal<v8::Object> newobj = constr->NewInstance(v8_context, 1, &external);
bool has_json_serializable = false;
for (unsigned int i = 0; i < ce->num_interfaces; i ++) {
if (strcmp (ZSTR_VAL(ce->interfaces[i]->name), "JsonSerializable") == 0) {
has_json_serializable = true;
break;
}
}
if (has_json_serializable) {
zend_string *jsonserialize_str = zend_string_init
("jsonSerialize", sizeof("jsonSerialize") - 1, 0);
zend_function *jsonserialize_method_ptr = reinterpret_cast<zend_function *>
(zend_hash_find_ptr_lc(&ce->function_table, jsonserialize_str));
if (jsonserialize_method_ptr &&
jsonserialize_method_ptr->common.fn_flags & ZEND_ACC_PUBLIC) {
v8::Local<v8::String> method_name = V8JS_SYM("toJSON");
v8::Local<v8::FunctionTemplate> ft;
ft = v8::FunctionTemplate::New(isolate, v8js_php_callback,
v8::External::New((isolate), jsonserialize_method_ptr));
v8js_function_tmpl_t *persistent_ft = &ctx->method_tmpls[std::make_pair(ce, jsonserialize_method_ptr)];
persistent_ft->Reset(isolate, ft);
newobj.ToLocalChecked()->CreateDataProperty(v8_context, method_name, ft->GetFunction(v8_context).ToLocalChecked());
}
}
if (ce == zend_ce_closure && !newobj.IsEmpty()) { if (ce == zend_ce_closure && !newobj.IsEmpty()) {
// free uncached function template when object is freed // free uncached function template when object is freed
ctx->weak_closures[persist_tpl_].Reset(isolate, newobj.ToLocalChecked()); ctx->weak_closures[persist_tpl_].Reset(isolate, newobj.ToLocalChecked());