includes/libs/rdbms/encasing/MssqlBlob.php

   1 <?php
   2
   3 namespace Wikimedia\Rdbms;
   4
   5 class MssqlBlob extends Blob {
   6         /** @noinspection PhpMissingParentConstructorInspection */
   7
   8         /**
   9          * @param string $data
  10          */
  11         public function __construct( $data ) {
  12                 if ( $data instanceof MssqlBlob ) {
  13                         return $data;
  14                 } elseif ( $data instanceof Blob ) {
  15                         $this->mData = $data->fetch();
  16                 } elseif ( is_array( $data ) && is_object( $data ) ) {
  17                         $this->mData = serialize( $data );
  18                 } else {
  19                         $this->mData = $data;
  20                 }
  21         }
  22
  23         /**
  24          * Returns an unquoted hex representation of a binary string
  25          * for insertion into varbinary-type fields
  26          * @return string
  27          */
  28         public function fetch() {
  29                 if ( $this->mData === null ) {
  30                         return 'null';
  31                 }
  32
  33                 $ret = '0x';
  34                 $dataLength = strlen( $this->mData );
  35                 for ( $i = 0; $i < $dataLength; $i++ ) {
  36                         $ret .= bin2hex( pack( 'C', ord( $this->mData[$i] ) ) );
  37                 }
  38
  39                 return $ret;
  40         }
  41 }