public static function query($sql, &$ref_params=null, $batch=false) {
	...
	foreach ($params as $param=>&$value) {
		switch (gettype($value)) {
			case 'string':
				$t = SQLT_CHR;
				$s = 200;
				break;
			case 'integer':
				$t = SQLT_INT;
				$s = 16;
				break;
			default:
				$t = SQLT_CHR;
				$s = 200;
				break;
		}
		if (in_array($param, $paramlist)) {
			if (static::debug()) print_r(['oci_bind_by_name',$st, $param, $value, (array_key_exists($param,$return) ? $s : -1), $t]);
			oci_bind_by_name($st, $param, $value, (array_key_exists($param,$return) ? $s : -1), $t);
		}
	}
	...
	if (static::debug()) {
		print "\n*DEBUG*\n";
		print "SQL: *$sql*\n";
		print "ARG: " . print_r($params, true) . "\n";
		print "\n";
	}
	oci_set_prefetch($st, 100);
	$res = oci_execute($st, ($batch ? OCI_NO_AUTO_COMMIT : OCI_COMMIT_ON_SUCCESS));
	...
}

$bm->exec($sql, [':ivi'=>$ivi::IVI_BM_ID, ':client'=>$row['ID'], ':account'=>$row['ACCOUNT_ID'], ':service'=>$row['SERVICE_ID'], ':token'=>$key]);

*DEBUG*
SQL: *insert into TRANS_BATCH_LINK (TRANS_PROVIDER_ID, LOCAL_CLIENT_ID, LOCAL_ACCOUNT_ID, LOCAL_SERVICE_ID, FIELD, VALUE)
values (:ivi, :client, :account, :service, 'access_token', :token)
*
ARG: Array
(
    [:ivi] => 2
    [:client] => 2829
    [:account] => 7081
    [:service] => 328937
    [:token] => xxxxx_xxxxx_xxxxx_xxxxx_xxxxx
)

Array
(
    [0] => oci_bind_by_name
    [1] => Resource id #31
    [2] => :ivi
    [3] => 2
    [4] => -1
    [5] => 3
)
Array
(
    [0] => oci_bind_by_name
    [1] => Resource id #31
    [2] => :client
    [3] => 2829
    [4] => -1
    [5] => 1
)
Array
(
    [0] => oci_bind_by_name
    [1] => Resource id #31
    [2] => :account
    [3] => 7081
    [4] => -1
    [5] => 1
)
Array
(
    [0] => oci_bind_by_name
    [1] => Resource id #31
    [2] => :service
    [3] => 328937
    [4] => -1
    [5] => 1
)
Array
(
    [0] => oci_bind_by_name
    [1] => Resource id #31
    [2] => :token
    [3] => xxxxx_xxxxx_xxxxx_xxxxx_xxxxx
    [4] => -1
    [5] => 1
)

PHP Warning:  oci_bind_by_name(): ORA-01036: illegal variable name/number in .../lib/classes/Billing.class.php on line 299
Warning: oci_bind_by_name(): ORA-01036: illegal variable name/number in .../lib/classes/Billing.class.php on line 299