从C++调用PHP函数后扩展中出现Seg错误

#include <php.h>
#include <Zend/zend_API.h>

// 初始化PHP环境
void init_php() {
    php_ini_register_extensions("ext/php_xdebug.dll");
    PHP_MINIT_FUNCTION(my_extension);
    PHP_MSHUTDOWN_FUNCTION(my_extension);
    PHP_RINIT_FUNCTION(my_extension);
    PHP_RSHUTDOWN_FUNCTION(my_extension);
    PHP_MINFO_FUNCTION(my_extension);
}

// 调用PHP函数
void call_php_function(const char* function_name) {
    zend_string *result;
    zval function_name_zval;
    ZVAL_STR(&function_name_zval, zend_string_init(function_name, strlen(function_name), 0));

    // 获取函数入口
    zend_function *func = zend_hash_find(EG(function_table), ZSTR_VAL(function_name_zval), ZSTR_LEN(function_name_zval));
    if (!func) {
        zend_string_release(function_name_zval);
        return;
    }

    // 准备调用环境
    zval *retval_ptr = NULL;
    zend_fcall_info fci = {0};
    fci.size = sizeof(fci);
    fci.function_table = EG(function_table);
    fci.function = func;
    fci.retval = &retval_ptr;
    fci.param_count = 0;

    // 调用函数
    if (zend_call_function(&fci, NULL) == FAILURE) {
        zend_string_release(function_name_zval);
        return;
    }

    // 处理返回值
    if (retval_ptr) {
        result = Z_STR(retval_ptr);
        printf("Function result: %s\n", ZSTR_VAL(result));
        zval_ptr_dtor(retval_ptr);
    }

    zend_string_release(function_name_zval);
}

int main() {
    init_php();
    call_php_function("my_php_function");
    return 0;
}