simple-php-oci8-json-api
Simple PHP+OCI8 JSON API for kitchen level works. You specify connection, tables and args - it returns JSON with data from them.
To use, just copy files "oracle_war_sett.sample.php" to "oracle_war_sett.php" and "functions.sample.php" to "functions.php" and edit them according to your needs, those are self documented.