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Swish Functions

Introduction

The swish extension provides the bindings for Swish-e API. Swish-e stands for "Simple Web Indexing System for Humans - Enhanced" and is an open source system for indexing and search. Swish-e itself is licensed under GPL license, but uses a clause that allows applications to link against the library if every copy of the combined work is accompanied by the URL to Swish-e source code. Here it is: » https://swish-e.org.

Warning

Varoitus! Tämä laajennus on EKSPERIMENTAALINEN. Tämän laajennuksen ominaisuudet, käyttäytyminen sekä funktioiden nimet ja parametrit voivat muuttua varoituksetta seuraavissa PHP versioissa.

Requirements

PECL/swish requires PHP 5.1.3 or newer.

Installation

Information for installing this PECL extension may be found in the manual chapter titled Installation of PECL extensions. Additional information such as new releases, downloads, source files, maintainer information, and a CHANGELOG, can be located here: » https://pecl.php.net/package/swish.

The latest PECL/swish Win32 DLL can be downloaded here: » php_swish.dll.

Runtime Configuration

Tämä laajennus ei määrittele yhtäkään direktiiviä php.inissä.

Examples

Example#1 Basic search query

<?php

try {

    $swish = new Swish("index.swish-e");
    $results = $swish->query("test OR text");

    echo "Found ", $results->hits, " results\n";
    while ($result = $results->nextResult()) {
        var_dump($result);
        break; //break after the first result
    }

} catch (SwishException $e) {
    echo "Error: ", $e->getMessage(), "\n";
}

?>

The above example will output something similar to:

Found 9 results
object(SwishResult)#3 (8) {
  ["swishreccount"]=>
  int(1)
  ["swishrank"]=>
  int(1000)
  ["swishfilenum"]=>
  int(10)
  ["swishdbfile"]=>
  string(13) "index.swish-e"
  ["swishdocpath"]=>
  string(23) "README.SUBMITTING_PATCH"
  ["swishtitle"]=>
  NULL
  ["swishdocsize"]=>
  int(4557)
  ["swishlastmodified"]=>
  int(1072136752)
}

Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

Swish::META_TYPE_UNDEF (integer)
Swish::META_TYPE_STRING (integer)
Swish::META_TYPE_ULONG (integer)
Swish::META_TYPE_DATE (integer)
Swish::IN_FILE_BIT (integer)
Swish::IN_TITLE_BIT (integer)
Swish::IN_HEAD_BIT (integer)
Swish::IN_BODY_BIT (integer)
Swish::IN_COMMENTS_BIT (integer)
Swish::IN_HEADER_BIT (integer)
Swish::IN_EMPHASIZED_BIT (integer)
Swish::IN_META_BIT (integer)
Swish::IN_FILE (integer)
Swish::IN_TITLE (integer)
Swish::IN_HEAD (integer)
Swish::IN_BODY (integer)
Swish::IN_COMMENTS (integer)
Swish::IN_HEADER (integer)
Swish::IN_EMPHASIZED (integer)
Swish::IN_META (integer)
Swish::IN_ALL (integer)

Predefined Classes

Predefined Classes

Swish

Properties

  • indexes - the array of indexes used and their properties. Certain list of properties depends on Swish-e version.

Methods

  • Swish::__construct - constructs new Swish object. Throws SwishException on error.

  • Swish->prepare - prepares and returns SwishSearch object. Throws SwishException on error.

  • Swish->query - executes the query and returns SwishResults object. Throws SwishException on error.

  • Swish->getMetaList - returns an array of meta entries for the given index file.

  • Swish->getPropertyList - returns an array of properties for the given index file.

SwishSearch

Methods

SwishResults

Properties

  • hits - the number of results in this SwishResults object.

  • indexes - the array of indexes used in the search.

Methods

SwishResult

Properties

  • Properties list depends on Swish-e version, see examples.

Methods

  • SwishResult->getMetaList - returns an array of meta entries for the index used in this result.

  • SwishResult->stem - stems the word and returns result as an array of strings. Throws SwishException on error.

SwishException

SwishException extends the built in Exception class and possesses the same set of properties and methods. See Exceptions for more details.

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