spss's Introduction

SPSS / PSPP

A PHP library for reading and writing SPSS / PSPP .sav data files. This library was forked from tiamo/spss since the original is not seeing a lot of activity.

VERSION 2.1.0 (CHANGELOG)

Plans

The plan is, in time, to fully rewrite this library to allow for streaming large datasets.

Requirements

PHP 7.3.0 and up (this fork will not support PHP versions that do not have active support)
mbstring extension
bcmath extension

Installation

The preferred way to install this extension is through composer.

Either run

composer require collecthor/spss

or add

"tiamo/spss": "*"

to the require section of your composer.json file or download from here.

Usage

Reader example:

// Initialize reader
$reader = \collecthor\spss\Reader::fromFile('path/to/file.sav');

// Read header data
$reader->readHeader();
// var_dump($reader->header);

// Read full data
$reader->read();
// var_dump($reader->variables);
// var_dump($reader->valueLabels);
// var_dump($reader->documents);
// var_dump($reader->data);

$reader = \collecthor\spss\Reader::fromString(file_get_contents('path/to/file.sav'))->read();

Writer example:

$writer = new \collecthor\spss\Writer([
    'header' => [
            'prodName'     => '@(#) SPSS DATA FILE test',
            'layoutCode'   => 2,
            'compression'  => 1,
            'weightIndex'  => 0,
            'bias'         => 100,
            'creationDate' => '01 Feb 01',
            'creationTime' => '01:01:01',
    ],
    'variables' => [
        [
                'name'     => 'VAR1', # For UTF-8, 64 / 3 = 21, mb_substr($var1, 0, 21);
                'width'    => 0,
                'decimals' => 0,
                'format'   => 5,
                'columns'  => 50,
                'align'    => 1,
                'measure'  => 1,
                'data'     => [
                    1, 2, 3
                ],
        ],
        ...
    ]
]);