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maxakawizard/json-collection-parser
===================================

Streaming parser for large JSON files containing array of objects

1.10.0(2y ago)132833.5k—5.1%20[1 issues](https://github.com/MAXakaWIZARD/JsonCollectionParser/issues)8MITPHPPHP >=7.1

Since Apr 29Pushed 2y ago6 watchersCompare

[ Source](https://github.com/MAXakaWIZARD/JsonCollectionParser)[ Packagist](https://packagist.org/packages/maxakawizard/json-collection-parser)[ Docs](https://github.com/MAXakaWIZARD/JsonCollectionParser)[ RSS](/packages/maxakawizard-json-collection-parser/feed)WikiDiscussions master Synced 1mo ago

READMEChangelog (5)Dependencies (5)Versions (20)Used By (8)

JsonCollectionParser
====================

[](#jsoncollectionparser)

[![Build](https://github.com/MAXakaWIZARD/JsonCollectionParser/actions/workflows/ci.yml/badge.svg)](https://github.com/MAXakaWIZARD/JsonCollectionParser/actions)[![Scrutinizer Code Quality](https://camo.githubusercontent.com/b38c1af225dc25cf1ca00958bc9eaaadd0343a56b253f03310237c6f3684e0f9/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f4d4158616b6157495a4152442f4a736f6e436f6c6c656374696f6e5061727365722f6261646765732f7175616c6974792d73636f72652e706e673f623d6d6173746572)](https://scrutinizer-ci.com/g/MAXakaWIZARD/JsonCollectionParser/?branch=master)[![Code Climate](https://camo.githubusercontent.com/16bbe0aa0b1fb54615755f63ce583830218a634f5d4607ee867df43e9fc0190d/68747470733a2f2f636f6465636c696d6174652e636f6d2f6769746875622f4d4158616b6157495a4152442f4a736f6e436f6c6c656374696f6e5061727365722f6261646765732f6770612e737667)](https://codeclimate.com/github/MAXakaWIZARD/JsonCollectionParser)[![Coverage Status](https://camo.githubusercontent.com/0e71c9274e8fb48ff4095b6e96998593ae82464f1384dc73c4a55ce92d79be51/68747470733a2f2f636f766572616c6c732e696f2f7265706f732f4d4158616b6157495a4152442f4a736f6e436f6c6c656374696f6e5061727365722f62616467652e7376673f6272616e63683d6d6173746572)](https://coveralls.io/r/MAXakaWIZARD/JsonCollectionParser?branch=master)

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Event-based parser for large JSON collections (consumes small amount of memory). Built on top of [JSON Streaming Parser](https://github.com/salsify/jsonstreamingparser)

This package is compliant with [PSR-4](https://www.php-fig.org/psr/psr-4/) and [PSR-12](https://www.php-fig.org/psr/psr-12/) code styles and supports parsing of [PSR-7](https://www.php-fig.org/psr/psr-7/) message interfaces. If you notice compliance oversights, please send a patch via pull request.

Installation
------------

[](#installation)

You will need [Composer](https://getcomposer.org/) to install the package

```
composer require maxakawizard/json-collection-parser:~1.0
```

Input data format
-----------------

[](#input-data-format)

Data must be in one of following formats:

### Array of objects (valid JSON)

[](#array-of-objects-valid-json)

```
[
    {
        "id": 78,
        "title": "Title",
        "dealType": "sale",
        "propertyType": "townhouse",
        "properties": {
            "bedroomsCount": 6,
            "parking": "yes"
        },
        "photos": [
            "1.jpg",
            "2.jpg"
        ],
        "agents": [
            {
                "name": "Joe",
                "email": "joe@realestate.email"
            },
            {
                "name": "Sally",
                "email": "sally@realestate.email"
            }
         ]
    },
    {
        "id": 729,
        "dealType": "rent_long",
        "propertyType": "villa"
    },
    {
        "id": 5165,
        "dealType": "rent_short",
        "propertyType": "villa"
    }
]
```

### Sequence of object literals:

[](#sequence-of-object-literals)

```
{
    "id": 78,
    "dealType": "sale",
    "propertyType": "townhouse"
}
{
    "id": 729,
    "dealType": "rent_long",
    "propertyType": "villa"
}
{
    "id": 5165,
    "dealType": "rent_short",
    "propertyType": "villa"
}

```

### Sequence of object and array literals:

[](#sequence-of-object-and-array-literals)

```
[[{
    "id": 78,
    "dealType": "sale",
    "propertyType": "townhouse"
}]]
{
    "id": 729,
    "dealType": "rent_long",
    "propertyType": "villa"
}
[{
    "id": 5165,
    "dealType": "rent_short",
    "propertyType": "villa"
}]

```

### Sequence of object and array literals (some of objects in subarrays, comma-separated):

[](#sequence-of-object-and-array-literals-some-of-objects-in-subarrays-comma-separated)

```
[
{
    "id": 78,
    "dealType": "sale",
    "propertyType": "townhouse"
},
{
    "id": 729,
    "dealType": "rent_long",
    "propertyType": "villa"
}
]
{
    "id": 5165,
    "dealType": "rent_short",
    "propertyType": "villa"
}

```

Usage
-----

[](#usage)

### Function as callback:

[](#function-as-callback)

```
function processItem(array $item)
{
    is_array($item); //true
    print_r($item);
}

$parser = new \JsonCollectionParser\Parser();
$parser->parse('/path/to/file.json', 'processItem');
```

### Closure as callback:

[](#closure-as-callback)

```
$items = [];

$parser = new \JsonCollectionParser\Parser();
$parser->parse('/path/to/file.json', function (array $item) use (&$items) {
    $items[] = $item;
});
```

### Static method as callback:

[](#static-method-as-callback)

```
class ItemProcessor {
    public static function process(array $item)
    {
        is_array($item); //true
        print_r($item);
    }
}

$parser = new \JsonCollectionParser\Parser();
$parser->parse('/path/to/file.json', ['ItemProcessor', 'process']);
```

### Instance method as callback:

[](#instance-method-as-callback)

```
class ItemProcessor {
    public function process(array $item)
    {
        is_array($item); //true
        print_r($item);
    }
}

$parser = new \JsonCollectionParser\Parser();
$processor = new \ItemProcessor();
$parser->parse('/path/to/file.json', [$processor, 'process']);
```

### Receive items as objects:

[](#receive-items-as-objects)

```
function processItem(\stdClass $item)
{
    is_array($item); //false
    is_object($item); //true
    print_r($item);
}

$parser = new \JsonCollectionParser\Parser();
$parser->parseAsObjects('/path/to/file.json', 'processItem');
```

### Receive chunks of items as arrays:

[](#receive-chunks-of-items-as-arrays)

```
function processChunk(array $chunk)
{
    is_array($chunk);    //true
    count($chunk) === 5; //true

    foreach ($chunk as $item) {
        is_array($item);  //true
        is_object($item); //false
        print_r($item);
    }
}

$parser = new \JsonCollectionParser\Parser();
$parser->chunk('/path/to/file.json', 'processChunk', 5);
```

### Receive chunks of items as objects:

[](#receive-chunks-of-items-as-objects)

```
function processChunk(array $chunk)
{
    is_array($chunk);    //true
    count($chunk) === 5; //true

    foreach ($chunk as $item) {
        is_array($item);  //false
        is_object($item); //true
        print_r($item);
    }
}

$parser = new \JsonCollectionParser\Parser();
$parser->chunkAsObjects('/path/to/file.json', 'processChunk', 5);
```

### Pass stream as parser input:

[](#pass-stream-as-parser-input)

```
$stream = fopen('/path/to/file.json', 'r');

$parser = new \JsonCollectionParser\Parser();
$parser->parseAsObjects($stream, 'processItem');
```

### Pass [PSR-7](https://www.php-fig.org/psr/psr-7/) MessageInterface as parser input:

[](#pass-psr-7-messageinterface-as-parser-input)

```
use Psr\Http\Message\MessageInterface;

/** @var MessageInterface $resource */
$resource = $httpClient->get('https://httpbin.org/get');

$parser = new \JsonCollectionParser\Parser();
$parser->parseAsObjects($resource, 'processItem');
```

### Pass [PSR-7](https://www.php-fig.org/psr/psr-7/) StreamInterface as parser input:

[](#pass-psr-7-streaminterface-as-parser-input)

```
use Psr\Http\Message\MessageInterface;

/** @var MessageInterface $resource */
$resource = $httpClient->get('https://httpbin.org/get');

$parser = new \JsonCollectionParser\Parser();
$parser->parseAsObjects($resource->getBody(), 'processItem');
```

Supported formats
-----------------

[](#supported-formats)

- `.json` - raw JSON
- `.gz` - GZIP-compressed JSON (you will need `zlib` PHP extension installed)

Supported sources
-----------------

[](#supported-sources)

- file
- string
- stream / resource
- HTTP message interface [PSR-7](https://www.php-fig.org/psr/psr-7/)

Running tests
-------------

[](#running-tests)

```
composer test
```

License
-------

[](#license)

This library is released under [MIT](http://www.tldrlegal.com/license/mit-license) license.

###  Health Score

45

—

FairBetter than 93% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity54

Moderate usage in the ecosystem

Community26

Small or concentrated contributor base

Maturity67

Established project with proven stability

 Bus Factor1

Top contributor holds 86.8% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~175 days

Recently: every ~330 days

Total

19

Last Release

881d ago

Major Versions

0.3.0 → 1.0.02016-03-23

PHP version history (5 changes)0.1.0PHP >=5.3.0

1.0.0PHP ^5.4 | ^7.0

1.2.0PHP ^5.6 | ^7.0

1.3.0PHP ^7.1

1.8.0PHP >=7.1

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/1138453?v=4)[Max Grigorian](/maintainers/MAXakaWIZARD)[@MAXakaWIZARD](https://github.com/MAXakaWIZARD)

---

Top Contributors

[![MAXakaWIZARD](https://avatars.githubusercontent.com/u/1138453?v=4)](https://github.com/MAXakaWIZARD "MAXakaWIZARD (59 commits)")[![jasonhebert](https://avatars.githubusercontent.com/u/4276690?v=4)](https://github.com/jasonhebert "jasonhebert (5 commits)")[![LiamBest](https://avatars.githubusercontent.com/u/489789?v=4)](https://github.com/LiamBest "LiamBest (3 commits)")[![peterpp](https://avatars.githubusercontent.com/u/1448883?v=4)](https://github.com/peterpp "peterpp (1 commits)")

---

Tags

json

###  Code Quality

TestsPHPUnit

Code StylePHP\_CodeSniffer

### Embed Badge

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```
[![Health](https://phpackages.com/badges/maxakawizard-json-collection-parser/health.svg)](https://phpackages.com/packages/maxakawizard-json-collection-parser)
```

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