From 426168be7e92b09953aa0c2b737586708425ca4f Mon Sep 17 00:00:00 2001
From: Glen Sawyer <glensawyer@hotmail.com>
Date: Wed, 27 Jan 2016 12:31:43 -0700
Subject: [PATCH] Ensure bound variables remain active until after execute

---
 src/Statement/Oci8Statement.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/Statement/Oci8Statement.php b/src/Statement/Oci8Statement.php
index 0d2a2b6..50cdfd0 100644
--- a/src/Statement/Oci8Statement.php
+++ b/src/Statement/Oci8Statement.php
@@ -8,6 +8,8 @@
  */
 class Oci8Statement extends Statement
 {
+    protected $preserveBindings = [];
+
     /**
      * {@inheritDoc}
      */
@@ -30,6 +32,21 @@ public function closeCursor()
         }
         $success = oci_free_statement($this->_sth);
         $this->_sth = null;
+        $this->preserveBindings = [];
         return $success;
     }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function bindValue($parameter, $variable, $dataType = PDO::PARAM_STR)
+    {
+        /* PHP 7 apparently cleans up bound variables before we get back to
+         * oci_execute. But oci_bind_by_name binds variables by reference.
+         * We need to make sure the actual referenced $variable remains
+         * active until later, so we just toss it onto a pile here
+         */
+        $this->preserveBindings[] = &$variable;
+        return $this->bindParam($parameter, $variable, $dataType);
+    }
 }