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 Blob|string $data
  10          */
  11         public function __construct( $data ) {
  12                 if ( $data instanceof MssqlBlob ) {
  13                         $this->data = $data->data;
  14                 } elseif ( $data instanceof Blob ) {
  15                         $this->data = $data->fetch();
  16                 } else {
  17                         $this->data = $data;
  18                 }
  19         }
  20
  21         /**
  22          * Returns an unquoted hex representation of a binary string
  23          * for insertion into varbinary-type fields
  24          * @return string
  25          */
  26         public function fetch() {
  27                 if ( $this->data === null ) {
  28                         return 'null';
  29                 }
  30
  31                 $ret = '0x';
  32                 $dataLength = strlen( $this->data );
  33                 for ( $i = 0; $i < $dataLength; $i++ ) {
  34                         $ret .= bin2hex( pack( 'C', ord( $this->data[$i] ) ) );
  35                 }
  36
  37                 return $ret;
  38         }
  39 }