Assume fetch_hash is always possible

The driver managers and even Db2 support this.

This would also allow simplifying the fetch code to merge fetch_into and
fetch_array into a single implementation perhaps.

Author: NattyNarwhal

ext/odbc/odbc.stub.php

@@ -344,11 +344,9 @@ function odbc_exec(Odbc\Connection $odbc, string $query): Odbc\Result|false {}
     /** @alias odbc_exec */
     function odbc_do(Odbc\Connection $odbc, string $query): Odbc\Result|false {}
 
-#ifdef PHP_ODBC_HAVE_FETCH_HASH
     function odbc_fetch_object(Odbc\Result $statement, ?int $row = null): stdClass|false {}
 
     function odbc_fetch_array(Odbc\Result $statement, ?int $row = null): array|false {}
-#endif
 
     /**
      * @param array $array

ext/odbc/odbc_arginfo.h

@@ -1306,7 +1306,6 @@ PHP_FUNCTION(odbc_exec)
 }
 /* }}} */
 
-#ifdef PHP_ODBC_HAVE_FETCH_HASH
 #define ODBC_NUM  1
 #define ODBC_OBJECT  2
 
@@ -1458,7 +1457,6 @@ PHP_FUNCTION(odbc_fetch_array)
 	php_odbc_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, ODBC_OBJECT);
 }
 /* }}} */
-#endif
 
 /* {{{ Fetch one result row into an array */
 PHP_FUNCTION(odbc_fetch_into)

ext/odbc/php_odbc.c

@@ -31,10 +31,6 @@ extern zend_module_entry odbc_module_entry;
 #include "php_version.h"
 #define PHP_ODBC_VERSION PHP_VERSION
 
-#if defined(PHP_WIN32) || defined(HAVE_IBMDB2) || defined(HAVE_UNIXODBC) || defined(HAVE_IODBC)
-# define PHP_ODBC_HAVE_FETCH_HASH 1
-#endif
-
 /* user functions */
 PHP_MINIT_FUNCTION(odbc);
 PHP_MSHUTDOWN_FUNCTION(odbc);