includes/libs/rdbms/encasing/MssqlBlob.php

   1 <?php
   2 class MssqlBlob extends Blob {
   3         public function __construct( $data ) {
   4                 if ( $data instanceof MssqlBlob ) {
   5                         return $data;
   6                 } elseif ( $data instanceof Blob ) {
   7                         $this->mData = $data->fetch();
   8                 } elseif ( is_array( $data ) && is_object( $data ) ) {
   9                         $this->mData = serialize( $data );
  10                 } else {
  11                         $this->mData = $data;
  12                 }
  13         }
  14
  15         /**
  16          * Returns an unquoted hex representation of a binary string
  17          * for insertion into varbinary-type fields
  18          * @return string
  19          */
  20         public function fetch() {
  21                 if ( $this->mData === null ) {
  22                         return 'null';
  23                 }
  24
  25                 $ret = '0x';
  26                 $dataLength = strlen( $this->mData );
  27                 for ( $i = 0; $i < $dataLength; $i++ ) {
  28                         $ret .= bin2hex( pack( 'C', ord( $this->mData[$i] ) ) );
  29                 }
  30
  31                 return $ret;
  32         }
  33 }