Fix #78470: odbc_specialcolumns() no longer accepts $nullable

It is mandatory to pass either `SQL_NO_NULLS` or `SQL_NULLABLE` as
tenth parameter to `SQLSpecialColumns()`; otherwise the function call
fails.  Therefore the user must be allowed to pass the desired value
as parameter to `odbc_specialcolumns()` again.

Closes GH-6200.

Author: cmb69

NEWS

@@ -12,6 +12,9 @@ PHP                                                                        NEWS
   . Fixed bug #80107 (mysqli_query() fails for ~16 MB long query when
     compression is enabled). (Nikita)
 
+- ODBC:
+  . Fixed bug #78470 (odbc_specialcolumns() no longer accepts $nullable). (cmb)
+
 - OPcache:
   . Fixed bug #80083 (Optimizer pass 6 removes variables used for ibm_db2 data
     binding). (Nikita)

ext/odbc/php_odbc.c

@@ -3668,7 +3668,7 @@ PHP_FUNCTION(odbc_specialcolumns)
 	SQLUSMALLINT type, scope, nullable;
 	RETCODE rc;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rls!ssl", &pv_conn, &vtype, &cat, &cat_len, &schema, &schema_len,
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rls!ssll", &pv_conn, &vtype, &cat, &cat_len, &schema, &schema_len,
 		&name, &name_len, &vscope, &vnullable) == FAILURE) {
 		return;
 	}

ext/odbc/tests/bug78470.phpt

@@ -0,0 +1,15 @@
+--TEST--
+Bug #78470 (odbc_specialcolumns() no longer accepts $nullable)
+--SKIPIF--
+<?php
+if (!extension_loaded('odbc')) die('skip odbc extension not available');
+?>
+--FILE--
+<?php
+include 'config.inc';
+
+$conn = odbc_connect($dsn, $user, $pass);
+var_dump(odbc_specialcolumns($conn, SQL_BEST_ROWID, '', '', '', SQL_SCOPE_CURROW, SQL_NO_NULLS));
+?>
+--EXPECTF--
+resource(%d) of type (odbc result)