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          * @suppress PhanTypeMagicVoidWithReturn
  11          */
  12         public function __construct( $data ) {
  13                 if ( $data instanceof MssqlBlob ) {
  14                         return $data;
  15                 } elseif ( $data instanceof Blob ) {
  16                         $this->data = $data->fetch();
  17                 } elseif ( is_array( $data ) && is_object( $data ) ) {
  18                         $this->data = serialize( $data );
  19                 } else {
  20                         $this->data = $data;
  21                 }
  22         }
  23
  24         /**
  25          * Returns an unquoted hex representation of a binary string
  26          * for insertion into varbinary-type fields
  27          * @return string
  28          */
  29         public function fetch() {
  30                 if ( $this->data === null ) {
  31                         return 'null';
  32                 }
  33
  34                 $ret = '0x';
  35                 $dataLength = strlen( $this->data );
  36                 for ( $i = 0; $i < $dataLength; $i++ ) {
  37                         $ret .= bin2hex( pack( 'C', ord( $this->data[$i] ) ) );
  38                 }
  39
  40                 return $ret;
  41         }
  42 }