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Example code of ddliu/spider

Informations about the package spider

Spider Build Status

A flexible spider in PHP.

Concepts

A spider contains many processors called pipes, you can pass as many tasks as you like to the spider, each task go through these pipes and get processed.

Installation

Requirements

Dependencies

See composer.json.

Usage

Find more examples in examples folder.

Spider

The Spider class.

Options

Methods

Task

A task contains the data array and some helper functions.

The Task class implements ArrayAccess interface, so you can access data like array.

Methods

Pipes

Pipes define how each task being processed.

A pipe can be a function:

Or extends the BasePipe:

Useful Pipes

NormalizeUrlPipe

Normalize $task['url'].

RequestPipe

Start an HTTP request with $task['url'] and save the result in $task['content'].

FileCachePipe

Cache a pipe (e.g. RequestPipe).

RetryPipe

Retry on failure.

DomCrawlerPipe

Create a DomCrawler from $task['content']. Access it with $task['$dom'] in following pipes.

ReportPipe

Report every 10 minutes.

Logging

$spider->logger is an instance of Monolog\Logger. You can add logging handlers to it before start:

TODO/Ideas

Alternate

Use golang version for better performance!

All versions of spider with dependencies

PHP Build Version
Package Version
Requires ddliu/requery Version ~0.1
ddliu/normurl Version ~0.1.1
monolog/monolog Version ~1.11
symfony/dom-crawler Version ~2.5
symfony/css-selector Version ~2.5
ddliu/filecache Version ~0.1
ddliu/wildcards Version 0.1.*
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