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Example code of jerodev/diggy

Informations about the package diggy

Diggy web scraper

PHP tests

Diggy is a simple wrapper around the PHP DOM extension that allow finding elements using simple query selectors and fail proof chaining.

Requirements

Getting started

Diggy includes a simple webclient that uses Guzzle under the hood to download a page and return a NodeCollection object. However, you can use any webclient you prefer and pass a DOMNode or DOMNodeList object to the NodeCollection constructor.

Available functions

These are the available functions on a NodeCollection object. All functions that do not return a native value can be chained without having to worry if there are nodes in the collection or not.

attribute(string $name)

Returns the value of the attribute of the first element in the collection if available.

count()

Returns the number of elements in the current node collection.

each(string $selector, closure $closure, ?int $max = null)

Loops over all dom elements in the current collection and executes a closure for each element. The return value of this function is an array of values returned from the closure.

exists(?string $selector = null)

Indicates if an element exists in the collection. If a selector is given, the current nodes will first be filtered.

filter(closure $closure)

Filters the current node collection based on a given closure.

first(?string $selector = null)

Returns the first element of the node collection. If a selector is given, the current nodes will first be filtered.

is(string $nodeName)

Indicates if the first element in the current collection has a specified tag name.

last(?string $selector = null)

Returns the last element of the node collection. If a selector is given, the current nodes will first be filtered.

nodeName()

Returns the tag name of the first element in the current node collection

nth(int $index, ?string $selector = null)

Returns the nth element of the node collection, starting at 0. If a selector is given, the current nodes will first be filtered.

querySelector(string $selector)

Finds all elements in the current node collection matching this css query selector.

text(?string $selector = null)

Returns the inner text of the first element in the node collection. If a selector is given, the current nodes will first be filtered.

texts()

Returns an array containing the inner text of every root element in the collection.

whereHas(closure $closure)

Filter nodes that contain child nodes that fulfill the filter described by the closure

whereHasAttribute(string $key, ?string $value = null)

Filters the current node collection by the existence of a specific attribute. If a value is given the collection is also filtered by the value of this attribute.

whereHasText(?string $value = null, bool $trim = true, bool $exact = false)

Filters the current node collection by the existence of inner text. Setting a value will also filter the nodes by the actual inner text based on $trim and $exact.

option function
$trim Indicates the inner text value should be trimmed before matches with $value.
$exact Indicates the inner text value should match $value exactly.

xPath(string $selector)

Finds all elements in the current node collection matching this xpath query selector.

All versions of diggy with dependencies

PHP Build Version
Package Version
Requires php Version ^8.1
ext-dom Version *
guzzlehttp/guzzle Version ^7.0
symfony/css-selector Version ^6.1
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