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Example code of gyselroth/stream-iterator

Informations about the package stream-iterator

php-stream-iterator

Build Status GitHub license Scrutinizer Code Quality Code Coverage GitHub release Latest Stable Version

\StreamIterator\StreamIterator provides a fully PSR-7 compatible stream wrapper for an interator. You may also pass a callback which handles each yielded iterator entry. \StreamIterator is also nicely useable on blocking iterators and/or to create realtime stream responses.

Requirements

Installation

The package is available at packagist an can be installed via composer:

Documentation

The examples use a simple ArrayIterator, of course you may use any kind of traversable object.

Read the whole iterator

Using a callback

Using a callback enables us to operate on each of the yielded iterator elements:

JSON stream example

In this example we create a json output from the example iterator:

(JSON) stream without buffer

This enables a realtime json stream of an iterator. This also allows to operate on blocking iterators where \Iterator::next() blocks until a new entry gets yielded. Each iterator item gets printed as soon as it arrives.

Note Some web server have output buffers or gzip enabled, this will not work with a realtime stream. Be sure that all buffers are completely disabled (For endpoints where a realtime stream is used). For example if you are using Nginx and PHP-FPM you will most likely need to send a header header('X-Accel-Buffering', 'no') to disable the fastcgi nginx buffer. Otherwise nginx will buffer your output.

Changelog

A changelog is available here.

Contribute

We are glad that you would like to contribute to this project. Please follow the given terms.

Thanks

This projects use ideas provided by Matthew Weier O'Phinney phly/psr7examples.

All versions of stream-iterator with dependencies

PHP Build Version
Package Version
Requires php Version >=5.6
psr/http-message Version ^1.0
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