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Example code of amsify42/php-domfinder

Informations about the package php-domfinder

PHP DOM Finder

PHP package for searching document object model efficiently and with more readable way.

Installation

Table of Contents

  1. Loading Source
  2. Important Notes
  3. Meta Tags
  4. Elements
  5. Element Class
  6. Element Id
  7. Element Attribute
  8. Regex Extraction
  9. Element Methods
  10. Multi Level Finder

1. Loading Source

File

HTML

XML

URL

For HTML

For XML

Using helper method

Note: Make sure you pass true as 3rd parameter to constructor/helper method or 2nd parameter to load method for loading content from URL.

2. Important Notes

1. DOMDocument

Amsify42\DOMFinder\DOMFinder class uses Amsify42\DOMFinder\DOM\Document which extends PHP pre defined class DOMDocument. You can use all the methods of DOMDocument using this instance

Example:

2. DomXPath

Amsify42\DOMFinder\DOMFinder class uses PHP pre defined class DomXPath for querying document. If you want to use all the methods of DomXPath, you can use this instance

Example:

3. DOMElement

All the element results you get after querying document will be of type Amsify42\DOMFinder\DOM\Element which extends PHP pre defined class DOMElement.

You can use all the methods of DOMElement from all the element items. Example:

Most importantly, whenever you try to get the first or particular key element by index, it will either return NULL or element of type Amsify42\DOMFinder\DOM\Element. Examples:

3. Meta Tags

After source has been loaded, you can use these meta tags related methods.

To get specific meta tag value

By default it takes content attribute value from meta element, to get value from other attribute, pass 3rd parameter

4. Elements

To get specific elements from DOM

To get first element

To get the element by index position

5. Element Class

Equals

Find all elements by class name

Find first element by class

Find all div tag element by class

Find first div tag element by class

For getting element by its key position

Like

Find all elements contains class

Find first element contains class

Find all div tag element contains class

Find first div tag element contains class

For getting element by its key position

6. Element Id

Equals

Find all elements by id

Find first element by id

Find all div tag element by id

Find first div tag element by id

Like

Find all elements contains id

Find first element contains id

Find all div tag element contains id

Find first div tag element contains id

For getting element by its key position

7. Element Attribute

Equals

Find all elements by attribute

Find first element by attribute

Find all div tag element by attribute

Find first div tag element by attribute

For getting element by its key position

Like

Find all elements contains attribute

Find first element contains attribute

Find all div tag element contains attribute

Find first div tag element contains attribute

For getting element by its key position

8. Regex Extraction

To extract particular item from html, consider this sample html

For extracting multiple instances of data by regex, pass 2nd parameter as true

You can also pass multiple regex as array for multi level check and extraction

9. Element methods

These are the methods you can use at element level

For getting outer and inner HTML of element, you can use these methods

Outer html will print

Inner html will print

10. Multi Level Finder

This section is to demonstrate how the dom finder works at multi level.

Simple

The above query is same as DomXPath

You will get all the ul elements

Element Level

This approach actually creates DOMFinder instance at each element level when you try to do query.

All versions of php-domfinder with dependencies

PHP Build Version
Package Version
Requires php Version >=7.0.0
amsify42/php-curl-http Version dev-master
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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