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DomQuery

中文说明

DomQuery is a PHP library that allows you to easily traverse and modify the DOM (HTML/XML). As a library it aims to provide 'jQuery like' access to the PHP DOMDocument class.

Installation

Install the latest version with

Basic Usage

Read attributes and properties:

Traversing nodes (result set):

Factory method (create instance alternative):

Jquery methods available

Traversing > Tree Traversal

• .find( selector )
• .children( [selector] )
• .parent( [selector] )
• .closest( [selector] )
• .next( [selector] )
• .prev( [selector] )
• .nextAll( [selector] )
• .prevAll( [selector] )
• .siblings( [selector] )

Traversing > Miscellaneous Traversing

• .contents() get children including text nodes

• .add( selector, [context] ) new result with added elements that match selector

  Traversing > Filtering

• .is( selector )
• .filter ( selector ) reduce to those that match the selector
• .not( selector ) remove elements from the set of matched elements
• .has( selector ) reduce to those that have a descendant that matches the selector
• .first( [selector] )
• .last( [selector] )
• .slice( [offset] [, length]) like array_slice in php, not js/jquery
• .eq( index )
• .map( callable(elm,i) )

_{* [selector] can be a css selector or an instance of DomQuery|DOMNodeList|DOMNode}

Manipulation > DOM Insertion & removal

• .text( [text] )
• .html( [html_string] )
• .append( [content],... )
• .prepend( [content],... )
• .after( [content],... )
• .before( [content],... )
• .appendTo( [target] )
• .prependTo( [target] )
• .replaceWith( [content] )
• .wrap( [content] )
• .wrapAll( [content] )
• .wrapInner( [content] )
• .remove( [selector] )
• .unwrap()
• .first()
• .last()
• .gt( int $index )
• .lt( int $index )

_{* [content] can be html or an instance of DomQuery|DOMNodeList|DOMNode}

Attributes | Manipulation

• .attr( name [, val] )
• .prop( name [, val] )
• .css( name [, val] )
• .removeAttr( name )
• .addClass( name )
• .hasClass( name )
• .toggleClass ( name )
• .removeClass( [name] )

_{* addClass, removeClass, toggleClass and removeAttr also accepts an array or space-separated names}

Miscellaneous > DOM Element Methods | Traversing | Storage

• .get( index )
• .each ( callable(elm,i) )
• .data ( key [, val] )
• .removeData ( [name] )
• .index ( [selector] )
• .toArray()
• .clone()

Supported selectors

• .class
• #foo
• parent > child
• foo, bar multiple selectors
• prev + next elements matching "next" that are immediately preceded by a sibling "prev"
• prev ~ siblings elements matching "siblings" that are preceded by "prev"
• * all selector
• [name="foo"] attribute value equal foo
• [name*="foo"] attribute value contains foo
• [name~="foo"] attribute value contains word foo
• [name^="foo"] attribute value starts with foo
• [name$="foo"] attribute value ends with foo
• [name|="foo"] attribute value equal to foo, or starting foo followed by a hyphen (-)

Pseudo selectors

• :empty
• :even
• :odd
• :first-child
• :last-child
• :only-child
• :parent elements that have at least one child node
• :first
• :last
• :header selects h1, h2, h3 etc.
• :not(foo) elements that do not match selector foo
• :has(foo) elements containing at least one element that matches foo selector
• :contains(foo) elements that contain text foo
• :root element that is the root of the document
• :nth-child(n)
• :nth-child(even)
• :nth-child(odd)
• :nth-child(3n+8)
• :nth-child(2n+1)
• :nth-child(n+4) same as :gt(2)
• :nth-child(-n+4) same as :lt(4)
• :nth-child(3)
• :nth-child(-2)
• :nth-child(4n)
• :eq(0)
• :eq(-1)
• :lt(3)
• :gt(2)

Other (non jQuery) methods

• findOrFail( selector ) find descendants of each element in the current set of matched elements, or throw an exception
• loadContent(content, encoding='UTF-8') load html/xml content
• xpath(xpath_query) Use xpath to find descendants of each element in the current set of matched elements
• getOuterHtml() get resulting html describing all the elements (same as (string) $dom, or $elm->prop('outerHTML'))
• getRoot() get the root node

XML support

• XML content will automatically be loaded 'as XML' if a XML declaration is found (property xml_mode will be set to true)
• This in turn will also make saving (rendering) happen 'as XML'. You can set property xml_mode to false to prevent this.
• To prevent content with a XML declaration loading 'as XML' you can set property xml_mode to false and then use the loadContent($content) method.
• Namespaces are automatically registered (no need to do it manually)

Escaping meta chars in selector to find elements with namespace:

About

Requirements

• Works with PHP 7.0 or above
• Requires libxml PHP extension (enabled by default)

Fork from

• https://github.com/Rct567/DomQuery