VS2019 开发PHP 拓展（四）创建 function

ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_test1, 0, 0, IS_VOID, 0)
ZEND_END_ARG_INFO()

/* {{{ void test1()
 */
PHP_FUNCTION(test1)
{
    ZEND_PARSE_PARAMETERS_NONE();

    php_printf("The extension %s is loaded and working!\r\n", "zodream");
}
/* }}} */
static const zend_function_entry zodream_functions[] = {
    PHP_FE(test1,       arginfo_test1)
    PHP_FE_END
};

ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_test2, 0, 0, IS_VOID, 0)
ZEND_ARG_TYPE_INFO(0, str, IS_STRING, 0)
ZEND_END_ARG_INFO()

/* {{{ void test2()
 */
PHP_FUNCTION(test2)
{
    char *var = "World";
    size_t var_len = sizeof("World") - 1;

    ZEND_PARSE_PARAMETERS_START(0, 1)
        Z_PARAM_OPTIONAL
        Z_PARAM_STRING(var, var_len)
    ZEND_PARSE_PARAMETERS_END();

    php_printf("Hello %s\r\n", var);
}
/* }}} */
static const zend_function_entry zodream_functions[] = {
    PHP_FE(test2,       arginfo_test2)
    PHP_FE_END
};

ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_test3, 0, 0, IS_VOID, 2)
ZEND_ARG_TYPE_INFO(0, str, IS_STRING, 0)
ZEND_ARG_TYPE_INFO(0, config, IS_ARRAY, 0)
ZEND_END_ARG_INFO()

/* {{{ void test3(string $str, array $config)
 */
PHP_FUNCTION(test3)
{
    zval* config, *entry;
    zend_ulong num_idx;
    zend_string* str_idx;
    char* var = "World";
    size_t var_len = sizeof("World") - 1;

    ZEND_PARSE_PARAMETERS_START(2, 2)
        Z_PARAM_STRING(var, var_len)
        Z_PARAM_ARRAY(config)
    ZEND_PARSE_PARAMETERS_END();

    php_printf("Hello %s\r\n", var);
    // 循环打印为字符串的值
    ZEND_HASH_FOREACH_KEY_VAL(Z_ARRVAL_P(config), num_idx, str_idx, entry) {
        ZVAL_DEREF(entry);
        if (Z_TYPE_P(entry) == IS_STRING) {
            php_printf("Hello %s\r\n", Z_STRVAL_P(entry));
        }
    } ZEND_HASH_FOREACH_END();
}
/* }}} */
static const zend_function_entry zodream_functions[] = {
    PHP_FE(test3,       arginfo_test3)
    PHP_FE_END
};

ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_test4, 0, 0, IS_STRING, 0)
ZEND_END_ARG_INFO()

/* {{{ void test4()
 */
PHP_FUNCTION(test4)
{
    ZEND_PARSE_PARAMETERS_NONE();

    zend_string* retval = strpprintf(0, "test 4");
    RETURN_STR(retval);
}
/* }}} */
static const zend_function_entry zodream_functions[] = {
    PHP_FE(test4,       arginfo_test4)
    PHP_FE_END
};

ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_test5, 0, 0, IS_STRING, 0)
ZEND_ARG_TYPE_INFO(0, str, IS_STRING, 0)
ZEND_END_ARG_INFO()

/* {{{ void test5()
 */
PHP_FUNCTION(test5)
{
    char* var = "World";
    size_t var_len = sizeof("World") - 1;
    zend_string* retval;

    ZEND_PARSE_PARAMETERS_START(0, 1)
        Z_PARAM_OPTIONAL
        Z_PARAM_STRING(var, var_len)
    ZEND_PARSE_PARAMETERS_END();

    retval = strpprintf(0, "Hello %s", var);

    RETURN_STR(retval);
}
/* }}} */
static const zend_function_entry zodream_functions[] = {
    PHP_FE(test5,       arginfo_test5)
    PHP_FE_END
};