README

PHP library to read and write ESRI Shapefiles with full Cyrillic charset support, compatible with WKT and GeoJSON.

This is a modernized fork of gasparesganga/php-shapefile with enhanced Cyrillic text handling and PHP 8.3+ compatibility.

Features

✅ Full PHP 8.3+ support with typed properties, constants, and return types
✅ Cyrillic charset support - automatic detection and repair of broken encodings (Windows-1251, ISO-8859-1)
✅ Read and write ESRI Shapefiles (.shp, .shx, .dbf, .dbt, .prj, .cpg)
✅ Support for all standard shape types (Point, Polyline, Polygon, MultiPoint, Z/M variants)
✅ WKT (Well-Known Text) and GeoJSON conversion
✅ DBF field types: CHAR, DATE, LOGICAL, MEMO, NUMERIC, FLOAT
✅ Fluent interface for method chaining
✅ PSR-12 code style compliant
✅ No external dependencies

Requirements

PHP >= 8.3.0 (for older PHP versions, use gasparesganga/php-shapefile)
mbstring extension (usually enabled by default)

Installation

composer require deadbyback/php-cyrillic-shapefile

Quick Start

Reading a Shapefile

use CyrillicShapefile\ShapefileReader;

$shapefile = new ShapefileReader('path/to/file.shp');

foreach ($shapefile as $record) {
    // $record is a Geometry object (Point, Linestring, Polygon, etc.)
    $data = $record->getDataArray();
    $coords = $record->getArray();

    echo "Record: " . json_encode($data) . "\n";
}

Writing a Shapefile

use CyrillicShapefile\ShapefileWriter;
use CyrillicShapefile\Shapefile;
use CyrillicShapefile\Geometry\Point;

$shapefile = new ShapefileWriter('path/to/output.shp');

// Define structure
$shapefile->setShapeType(Shapefile::SHAPE_TYPE_POINT);
$shapefile->addCharField('NAME', 50);
$shapefile->addNumericField('POPULATION', 10, 0);

// Add records
$point = new Point(30.5164, 50.4536);
$point->setData('NAME', 'Київ');
$point->setData('POPULATION', 4700000);
$shapefile->writeRecord($point);

// Shapefile is automatically finalized and closed

Cyrillic Support

The library automatically detects and handles Cyrillic text in multiple encodings:

use CyrillicShapefile\ShapefileHelper;

// Automatic charset detection and repair
$fixed = ShapefileHelper::tryRepairStringCharset($brokenString);

// Supported charsets: Windows-1251, ISO-8859-1, UTF-8

What's New in v4.0.0

This major version brings full PHP 8.3 compatibility with breaking changes:

Typed constants: All class constants now have explicit types
Full type safety: Parameter types and return types on all methods
Modern PHP: Union types, nullable types, static return types
Bug fixes: Fixed Iterator compatibility, undefined variables, namespace issues

See CHANGELOG.md for complete details.

Documentation

For detailed documentation and examples, visit the original project:

Original documentation by Gaspare Sganga

Differences from Original

This fork extends the original gasparesganga/php-shapefile with:

PHP 8.3+ compatibility - uses modern PHP features (typed constants, properties, etc.)
Cyrillic charset handling - enhanced support for Cyrillic text in DBF files
Namespace change - from Shapefile to CyrillicShapefile
Bug fixes - fixed several issues with undefined variables and type compatibility

License

MIT License - Same as the original project

Credits

Original library: Gaspare Sganga
Cyrillic support and PHP 8.3 upgrade: deadbyback

Contributing

Issues and pull requests are welcome!

deadbyback / php-cyrillic-shapefile

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