Pulling elements from a large string with PHP using CSS style selectors?

问题:

I have the following long string returned from a SOAP call into a variable, and I need to find the contents of certain elements within it, namely the .MoreInfoZone .OfferZone #Heading .content and .MoreInfoZone .OfferZone #Description .content.

I can't do it with javascript, as it is for populating metatags for Facebook Open Graph, and their spiders won't run the javascript.

$soap = '      <?xml version="1.0" encoding="utf-16"?>       <div class="MoreInfoZone">       <div class="OfferZone">         <div id="Heading" class="Group">           <div class="Label">             <h3>Activity</h3>           </div>           <div class="Content">5-16 Trampoline / Swim Group 5-16 Trampoline / Swim           Group5-16 Trampoline / Swim Group5-16 Trampolin1</div>         </div>         <div id="WhenZone">           <div id="Date" class="Group">             <div class="Label">               <h3>                 <span class="StartDateLabel">Date</span>               </h3>             </div>             <div class="Content">             <span class="Start Date">21 December 2010</span> to              <span class="End Date">24 November 2011</span></div>           </div>           <div id="Time" class="Group">             <div class="Label">               <h3>Time</h3>             </div>             <div class="Content">             <span class="Start Time">10:00am</span> to              <span class="End Time">12:00am</span></div>           </div>           <div id="DaysOfTheWeek" class="Group">             <div class="Label">               <h3>                 <span class="DaysOfTheWeekLabel">Days</span>               </h3>             </div>             <div class="Content">             <span class="weekdays">Monday, Tuesday, Wednesday, Thursday, Friday,</span>              <span class="weekend">Saturday, Sunday</span></div>           </div>         </div>         <div id="Description" class="Group">           <div class="Label">             <h3>Description</h3>           </div>           <div class="Content">             <p>Trampolining5-16 Trampoline / Swim Group 5-16 Trampoline / Swim Group5-16             Trampoline / Swim Group5-16 Trampolin15-16 Trampoline / Swim Group 5-16             Trampoline / Swim Group5-16 Trampoline / Swim Group5-16 Trampolin15-16             Trampoline / Swim Group 5-16 Trampoline / Swim Group5-16 Trampoline / Swim             Group5-16 Trampolin15-16 Trampoline / Swim Group 5-16 Trampoline / Swim             Group5-16 Trampoline / Swim Group5-16 Trampolin15-16 Trampoline / Swim Group             5-16 Trampoline / Swim Group5-16 Trampoline / Swim Group5-16 Trampolin1</p>           </div>         </div>         <div id="Provider" class="Group">           <div class="Label">             <h3>Provider</h3>           </div>           <div class="Content">           ProviderXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX1</div>         </div>         <div id="Venue" class="Group">           <div class="Label">             <h3>Venue</h3>           </div>           <div class="Content">Brimble Hill School, Tadpole Lane, RedhouseBrimble Hill           School, Tadpole Lane, RedhouseBrimble Hill 1           <br />SN25 2NB</div>         </div>         <div id="Ages" class="Group">           <div class="Label">             <h3>Ages</h3>           </div>           <div class="Content">           <span class="AgeFrom">5</span> to            <span class="AgeTo">16</span></div>         </div>         <div id="OpenTo" class="Group">           <div class="Label">             <h3>Open To</h3>           </div>           <div class="Content">All disabled young people aged 5-16, and their friends,           siblings, relatives.</div>         </div>         <div id="InclusiveAccessible" class="Group">           <div class="Label">             <h3>Inclusive/accessible for disabled users?</h3>           </div>           <div class="Content">Yes</div>         </div>         <div id="SuitableForOlderPeople" class="Group">           <div class="Label">             <h3>Suitable for older people?</h3>           </div>           <div class="Content">No</div>         </div>         <div id="Cost" class="Group">           <div class="Label">             <h3>Cost</h3>           </div>           <div class="Content Free">Free unless xyzxyz</div>         </div>         <div id="DiscountAvailable" class="Group">           <div class="Label">             <h3>Discount/Leisure cards accepted?</h3>           </div>           <div class="Content">Free unless xyzxyz</div>         </div>         <div id="MoreInformation" class="Group">           <div class="Label">             <h3>More information</h3>           </div>           <div class="Content">High demand, must book in advance.</div>         </div>         <div id="ContactZone" class="Group">           <div class="Label">             <h3>Contact</h3>           </div>           <div id="ContactName" class="Group">             <div class="Label">               <h3>Contact Name</h3>             </div>             <div class="Content">Ben HumphreyBen HumphreyBen HumphreyBen HumphreyBen             HumphreyBen HumphreyBen HumphreyBen HumphreyBen</div>           </div>           <div id="ContactTel" class="Group">             <div class="Label">               <h3>Contact Telephone</h3>             </div>             <div class="Content">01793 617782 / mobile xxxxx xxxxxx 01793 617782 01793             617782 / mobile xxxxx xxxxxx 01793 617782 0179</div>           </div>           <div id="ContactEmail" class="Group">             <div class="Label">               <h3>Contact Email</h3>             </div>             <div class="Content">               <a href="mailto:ABCDEFGHIJKLMNOPQRSTUVWXYZ@swindon.gov.uk">ABCDEFGHIJKLMNOPQRSTUVWXYZ@swindon.gov.uk</a>             </div>           </div>           <div id="ContactWebsite" class="Group">             <div class="Label">               <h3>Contact Website</h3>             </div>             <div class="Content">               <a href="http://www.ABCDEFGHIJKLMNOPQRSTUVWXYZ.gov.uk">www.ABCDEFGHIJKLMNOPQRSTUVWXYZ.gov.uk</a>             </div>           </div>         </div>         <div id="SafetyZone">           <div class="Title">             <h2>Safety</h2>           </div>           <div id="EnhancedCRB" class="Group">             <div class="Label">               <h3>Enhanced CRB disclosure gained</h3>             </div>             <div class="Content">All Staff</div>           </div>           <div id="ChildProtectionTrained" class="Group">             <div class="Label">               <h3>Child Protection trained</h3>             </div>             <div class="Content">Some Staff</div>           </div>           <div id="SafeguardingPolicy" class="Group">             <div class="Label">               <h3>Organisation has safeguarding policy</h3>             </div>             <div class="Content">Yes</div>           </div>           <div id="FirstAidOnSite" class="Group">             <div class="Label">               <h3>First Aid available on site</h3>             </div>             <div class="Content"></div>           </div>           <div id="AccreditationInsurance" class="Group">             <div class="Label">               <h3>Accreditation / Insurance</h3>             </div>             <div class="Content">Yes</div>           </div>           <div id="SaferRecruitment" class="Group">             <div class="Label">               <h3>A member of staff on each recruitment panel trained in Safer               Recruitment</h3>             </div>             <div class="Content">Yes</div>           </div>           <div id="RegisteredWithIC" class="Group">             <div class="Label">               <h3>Organisation registered with the Information Commissioner</h3>             </div>             <div class="Content">Yes</div>           </div>           <div id="ExtraSafeguardingInfo" class="Group">             <div class="Label">               <h3>Additional Notes on Safeguarding</h3>             </div>             <div class="Content">more info ....................</div>           </div>         </div>         <div id="ReviewSummaryZone">           <div id="RSHeading">             <div class="Label">               <h3>Average rating</h3>             </div>             <div class="Content">               <img src="images/1Star.gif" alt="1 Star Rating" />             </div>           </div>           <div id="RSRating">             <div class="Label">               <h3>Number of ratings</h3>             </div>             <div class="Content">1 rating(s)</div>           </div>           <div id="RSNewReview">             <div class="Content">               <a href="?Type=CDA1C2A0-0BDC-47FD-B08D-BEDF8A6006DB&amp;Id=CC9488C5-C9A3-4A06-9A13-2BB9A1703157">               Rate this</a>             </div>           </div>         </div>         <div id="ReviewZone">           <div class="Review">             <div class="User">               <div class="Label">                 <h3>Name</h3>               </div>               <div class="Content">Gary Salter</div>             </div>             <div class="ReviewDate">               <div class="Label">                 <h3>Date</h3>               </div>               <div class="Content">17 February 2011</div>             </div>             <div class="Comment">               <div class="Label">                 <h3>Comments</h3>               </div>               <div class="Content">Test feedback</div>             </div>             <div class="Rating">               <div class="Label">                 <h3>Rating</h3>               </div>               <div class="Content">                 <img src="images/1Star.gif" alt="1 Star Rating" />               </div>             </div>           </div>         </div>       </div>     </div> '; 

回答1:

Consider:

http://code.google.com/p/phpquery/

or

http://php.net/manual/en/class.domxpath.php

An XPath example could be:

<?php $dom = new DOMDocument(); $dom->loadXml($soap);  $xpath = new DOMXPath($dom);  // .MoreInfoZone .OfferZone #Heading .content $headingContent = $xpath->query('//*[@id="Heading"]//*[contains(@class, "Content")]')->item(0); if ($headingContent instanceof DOMNode) {     echo $headingContent->nodeValue; }  // .MoreInfoZone .OfferZone #Description .content $descriptionContent = $xpath->query('//*[@id="Description"]//*[contains(@class, "Content")]/p')->item(0); if ($descriptionContent instanceof DOMNode) {     echo $descriptionContent->nodeValue; } 

as I normally only do stuff like this with xpath, I can't provide a working example with phpquery. Sorry about that.

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