Started BLOB support

lib/Doctrine/DBAL/Types/BlobType.php

+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\DBAL\Types;
+
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
+/**
+ * Type that maps an SQL BLOB to a PHP resource stream
+ *
+ * @since 2.2
+ */
+class BlobType extends Type
+{
+    /** @override */
+    public function getSQLDeclaration(array $fieldDeclaration, AbstractPlatform $platform)
+    {
+        return $platform->getBlobTypeDeclarationSQL($fieldDeclaration);
+    }
+
+    /**
+     * Converts a value from its database representation to its PHP representation
+     * of this type.
+     *
+     * @param mixed $value The value to convert.
+     * @param AbstractPlatform $platform The currently used database platform.
+     * @return mixed The PHP representation of the value.
+     */
+    public function convertToPHPValue($value, AbstractPlatform $platform)
+    {
+        return (is_resource($value)) ? stream_get_contents($value) : $value;
+    }
+
+    public function getName()
+    {
+        return Type::TEXT;
+    }
+}
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