PHP - Php Depricated

PLEASE HELP - PLEASE HELP HOW TO MAKE THIS RUN FOR PHP+

<?php

// This is our base class for publishing plugins!
if ( ! class_exists ( "Publish" )) {
  require "../includes/config.php";

  class Publish {
    var $sql;

    function Publish ( $sql ) {
      // get the database handle
      $this->sql = $sql;
    }

    function getInfo () {
      $details = array ();

      $details [ 'name' ] = $this->getName ();
      $details [ 'javascript' ] = $this->getJavaScript ();

      return $details;
    }

    /* return an array containing all property data */
    function getPropertyData ()
    {
      global $propertystatus_table;
      global $propertylocations_table;
      global $propertytypes_table;
      global $propertyfeatures_table;
      global $features_table;
      global $property_table;

      // firstly let's get the various info to make this job easier on MySQL<5
      $status = array ();

      $status_data = $this->sql->execute (
        "SELECT id, propertystatus FROM " . $propertystatus_table,
        SQL_RETURN_ASSOC );

      for ( $i = 0; $i < sizeof ( $status_data ); ++$i )
      {
        $status [ $status_data [ $i ] [ "id" ] ] =
          $status_data [ $i ] [ "propertystatus" ];
      }

      $location = array ();

      $loc_data = $this->sql->execute (
        "SELECT id, propertylocation FROM " . $propertylocations_table,
        SQL_RETURN_ASSOC );

      for ( $i = 0; $i < sizeof ( $loc_data ); ++$i )
      {
        $location [ $loc_data [ $i ] [ "id" ] ] =
          $loc_data [ $i ] [ "propertylocation" ];
      }

      $type = array ();

      $type_data = $this->sql->execute (
        "SELECT id, propertytype FROM " . $propertytypes_table,
        SQL_RETURN_ASSOC );

      for ( $i = 0; $i < sizeof ( $type_data ); ++$i )
      {
        $type [ $type_data [ $i ] [ "id" ] ] =
          $type_data [ $i ] [ "propertytype" ];
      }

      // get all property data
      $data = $this->sql->execute (
        "SELECT * FROM " . $property_table, SQL_RETURN_ASSOC );

      // now go through and fill in the status, type and location data
      for ( $i = 0; $i < sizeof ( $data ); ++$i )
      {
        // populate features information
        $data [ $i ] [ 'propertyfeatures' ] = array ();
        $features = $this->sql->execute (
            "SELECT description FROM " . $features_table .
            " INNER JOIN " . $propertyfeatures_table .
            " ON (id=feature_id) WHERE property_id=" . $data [ $i ] [ "id" ],
            SQL_RETURN_ASSOC );

        for ( $f = 0; $f < sizeof ( $features ); ++$f )
        {
          error_log ( "Adding " . $features [ $f ] [ "description" ] .
              " to the feature list for property." );
          $data [ $i ] [ 'propertyfeatures' ] [] = $features [ $f ] [ "description" ];
        }

        $data [ $i ] [ 'propertytype_text' ] =
          $type [ $data [ $i ] [ 'propertytype' ] ];

        $data [ $i ] [ 'propertylocation_text' ] =
          $location [ $data [ $i ] [ 'propertylocation' ] ];

        $data [ $i ] [ 'propertystatus_text' ] =
          $status [ $data [ $i ] [ 'propertystatus' ] ];
      }

      $fulldata [ 'data' ]    = $data;

      $fields = array (
          'id',
          'agentref',
          'propertyoption',
          'propertyref',
          'propertytype',
          'propertytype_text',
          'propertyprice',
          'propertybedrooms',
          'propertybathrooms',
          'propertyyearbuilt',
          'propertylivingarea',
          'propertyplotsize',
          'propertyaddress',
          'propertylocation',
          'propertylocation_text',
          'propertypostcode',
          'propertycountry',
          'shortdescription',
          'longdescription',
          'propertystatus',
          'propertystatus_text',
          'propertyphoto1',
          'propertyphoto2',
          'propertyphoto3',
          'propertyphoto4',
          'propertyphoto5',
          'propertyphoto6',
          'propertyphoto7',
          'propertyphoto8',
          'propertyphoto9',
          'propertyphoto10',
          'pdf',
          'propertyviews',
          'propertyshow',
          'featuredproperty',
          'propertyowner',
          'dateadded' );

      $fulldata [ 'fields' ]  = $fields;

      return $fulldata;
    }

    // these must be overridden
    function getName () {}
    function getJavaScript () {}
    function constructForm () {}
    function processForm ( $formdata, &$message )
    {
      $fulldata = $this->getPropertyData ();

      $data   = $fulldata [ 'data' ];
      $fields = $fulldata [ 'fields' ];

      header ( "Content-Type: text/tab-separated-values" );
      header ( "Content-Disposition: attachment;filename=export.tsv" );

      $rows = array ();

      for ( $i = 0; $i < sizeof ( $data ); ++$i )
      {
        $vals = array ();

        foreach ( $fields as $field )
        {
          array_push ( $vals,
            preg_replace ( "/[\t\n\r]/", " ", $data [ $i ] [ $field ] ) );
        }

        array_push ( $rows, implode ( "\t", $vals ) );
      }

      print implode ( "\n", $rows );

      exit ();
    }
  }
}

?>