1 files changed, 41 insertions, 0 deletions
diff --git a/www/wiki/includes/libs/rdbms/encasing/MssqlBlob.php b/www/wiki/includes/libs/rdbms/encasing/MssqlBlob.php
new file mode 100644
index 00000000..8e68aba0
--- /dev/null
+++ b/www/wiki/includes/libs/rdbms/encasing/MssqlBlob.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace Wikimedia\Rdbms;
+
+class MssqlBlob extends Blob {
+	/** @noinspection PhpMissingParentConstructorInspection */
+
+	/**
+	 * @param string $data
+	 */
+	public function __construct( $data ) {
+		if ( $data instanceof MssqlBlob ) {
+			return $data;
+		} elseif ( $data instanceof Blob ) {
+			$this->data = $data->fetch();
+		} elseif ( is_array( $data ) && is_object( $data ) ) {
+			$this->data = serialize( $data );
+		} else {
+			$this->data = $data;
+		}
+	}
+
+	/**
+	 * Returns an unquoted hex representation of a binary string
+	 * for insertion into varbinary-type fields
+	 * @return string
+	 */
+	public function fetch() {
+		if ( $this->data === null ) {
+			return 'null';
+		}
+
+		$ret = '0x';
+		$dataLength = strlen( $this->data );
+		for ( $i = 0; $i < $dataLength; $i++ ) {
+			$ret .= bin2hex( pack( 'C', ord( $this->data[$i] ) ) );
+		}
+
+		return $ret;
+	}
+}