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File: CSSQuery_test.php

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File: CSSQuery_test.php
Role: Example script
Content type: text/plain
Description: An example of many selector uses
Class: CSS Query
Get elements from an HTML page using CSS selectors
Author: By
Last change: corrected my horrible typing errors
Date: 15 years ago
Size: 10,347 bytes
 

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<?php /** * The CSSQuery object has far too many variations * to test all of them, but here are the most popular * * CHANGES - * 08-05-2009 - corrected my horrible typing errors */ error_reporting(E_ALL | E_STRICT); //load the CSSQuery class file require 'CSSQuery.php'; $br = "\n";//"\n<br>"; $TRUE = 'TRUE'; $FALSE = 'FALSE'; //establish a DOMDocument object $doc = new DOMDocument(); //load some HTML for testing $doc->loadHTML('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><!-- xmlns:xsd="uri:sam">--> <body> <h3>Header 3</h3> <table id="dataset"> <tr> <td>column 1</td> <td>column 2</td> <td>column 3</td> <td>column 4</td> <td>column 5</td> </tr> <tr> <td>column 1</td> <td>column 2</td> <td>column 3</td> <td>column 4</td> <td>column 5</td> </tr> <tr> <td>column 1</td> <td>column 2</td> <td>column 3</td> <td>column 4</td> <td>column 5</td> </tr> <tr> <td>column 1</td> <td>column 2</td> <td>column 3</td> <td>column 4</td> <td>column 5</td> </tr> <tr> <td>column 1</td> <td>column 2</td> <td>column 3</td> <td>column 4</td> <td>column 5</td> </tr> <tr> <td>column 1</td> <td>column 2</td> <td>column 3</td> <td>column 4</td> <td>column 5</td> </tr> <tr> <td>column 1</td> <td>column 2</td> <td>column 3</td> <td>column 4</td> <td>column 5</td> </tr> <tr> <td>column 1</td> <td>column 2</td> <td>column 3</td> <td>column 4</td> <td>column 5</td> </tr> </table> <p class="second-class-name paragraph testing"> <span id="spanner" class="somewhere"> <a name="anchor"> <img src="javascript:;" alt="empty" class="testing"/> </a> </span><b class="testing">Adjacent siBLing</b><i>General sibling</i> </p> <p> <span>EMpty</span> <u>Adjacent sibling</u> <b>General sibling</b> </p> <i> monkey wrench</i> <a href="#">Just another test</a> <input disabled/> <input type="checkbox" checked/> <!--<div xsd:testing="test"/>--> </body> </html>'); //establish new CSSQuery like you would a DOMXPath query $css = new CSSQuery($doc); //get elements by tag name print "{$br}Tag: " . (count( $css->query('p') ) == 2 ? $TRUE : $FALSE); //get elements by id print "{$br}ID: " . (count( $css->query('#spanner') ) == 1 ? $TRUE : $FALSE); //get span elements by id print "{$br}tag and ID: " . (count( $css->query('span#spanner') ) == 1 ? $TRUE : $FALSE); //get elements by class name print "{$br}className: " . (count( $css->query('.paragraph') ) == 1 ? $TRUE : $FALSE); //get p elements by class name print "{$br}tag and className: " . (count( $css->query('p.paragraph') ) == 1 ? $TRUE : $FALSE); //get elements by an attribute print "{$br}has attribute: " . (count( $css->query('p[class]') ) == 1 ? $TRUE : $FALSE); //get elements by an attribute print "{$br}attribute equals: " . (count( $css->query('a[name="anchor"]') ) == 1 ? $TRUE : $FALSE); //get elements by an attribute print "{$br}attribute begins with: " . (count( $css->query('a[name^="an"]') ) == 1 ? $TRUE : $FALSE); //get elements by an attribute print "{$br}attribute ends with: " . (count( $css->query('img[alt$=ty]') ) == 1 ? $TRUE : $FALSE); //get elements by an attribute print "{$br}attribute contains: " . (count( $css->query('a[name*="ch"]') ) == 1 ? $TRUE : $FALSE); //get elements by an attribute print "{$br}attribute dashed: " . (count( $css->query('p[class|="second"]') ) == 1 ? $TRUE : $FALSE); //get elements using descendant selector print "{$br}descendant: " . (count( $css->query('span img') ) == 1 ? $TRUE : $FALSE); //get elements using children selector print "{$br}children: " . (count( $css->query('a > img') ) == 1 ? $TRUE : $FALSE); //get elements using adjacent sibling selector print "{$br}adjacent sibling: " . (count( $css->query('span + b') ) == 1 ? $TRUE : $FALSE); //get elements using general sibling selector print "{$br}general sibling: " . (count( $css->query('i ~ span') ) == 1 ? $TRUE : $FALSE); //get elements using first-child psuedo selector print "{$br}first-child: " . (count( $css->query('p span:first-child') ) == 2 ? $TRUE : $FALSE); //get elements using last-child psuedo selector print "{$br}last-child: " . (count( $css->query('p b:last-child') ) == 1 ? $TRUE : $FALSE); //get elements using only-child psuedo selector print "{$br}only-child: " . (count( $css->query('a img:only-child') ) == 1 ? $TRUE : $FALSE); //get elements using disabled psuedo selector print "{$br}disabled: " . (count( $css->query('input:disabled') ) == 1 ? $TRUE : $FALSE); //get elements using enabled psuedo selector print "{$br}enabled: " . (count( $css->query('input:enabled') ) == 1 ? $TRUE : $FALSE); //get elements using checked psuedo selector print "{$br}checked: " . (count( $css->query('input:checked') ) == 1 ? $TRUE : $FALSE); //get elements using checked psuedo selector print "{$br}empty: " . (count( $css->query('*:empty') ) == 3 ? $TRUE : $FALSE); //get elements using first-of-type psuedo selector print "{$br}first-of-type: " . (count( $css->query('tr:first-of-type') ) == 1 ? $TRUE : $FALSE); //get elements using last-of-type psuedo selector print "{$br}last-of-type: " . (count( $css->query('td:last-of-type') ) == 8 ? $TRUE : $FALSE); //get elements using only-of-type psuedo selector print "{$br}only-of-type: " . (count( $css->query('u:only-of-type') ) == 1 ? $TRUE : $FALSE); //get elements using not print "{$br}not: " . (count( $css->query('a:not([href])') ) == 1 ? $TRUE : $FALSE); //get elements using nth-of-type psuedo selector print "{$br}nth-of-type: " . (count( $css->query('tr:nth-of-type(odd)') ) == 4 ? $TRUE : $FALSE); //get elements using nth-last-of-type psuedo selector print "{$br}nth-last-of-type: " . (count( $css->query('tr:nth-last-of-type(even)') ) == 4 ? $TRUE : $FALSE); //get elements using nth-child psuedo selector print "{$br}nth-child: " . (count( $css->query('tr:nth-child(n+2)') ) == 4 ? $TRUE : $FALSE); //get elements using nth-last-child psuedo selector print "{$br}nth-last-child: " . (count( $css->query('td:nth-last-child(3)') ) == 8 ? $TRUE : $FALSE); //get elements using first psuedo selector print "{$br}first: " . (count( $css->query('tr:first') ) == 1 ? $TRUE : $FALSE); //get elements using last psuedo selector print "{$br}last: " . (count( $css->query('tr:last') ) == 1 ? $TRUE : $FALSE); //get elements using eq psuedo selector print "{$br}eq: " . (count( $css->query('tr:eq(5)') ) == 1 ? $TRUE : $FALSE); //get elements using lt psuedo selector print "{$br}lt: " . (count( $css->query('tr:lt(5)') ) == 5 ? $TRUE : $FALSE); //get elements using gt psuedo selector print "{$br}gt: " . (count( $css->query('tr:gt(5)') ) == 2 ? $TRUE : $FALSE); //get elements using nth psuedo selector print "{$br}nth: " . (count( $css->query('tr:nth(odd)') ) == 4 ? $TRUE : $FALSE); //get elements using parent psuedo selector print "{$br}parent: " . (count( $css->query('a:parent') ) == 1 ? $TRUE : $FALSE); //get elements using parent-node psuedo selector print "{$br}parent-node: " . (count( $css->query('a:parent-node') ) == 2 ? $TRUE : $FALSE); //get elements using parent-node psuedo selector print "{$br}parent-node(span): " . (count( $css->query('a:parent-node(span)') ) == 1 ? $TRUE : $FALSE); //get elements using parents psuedo selector print "{$br}parents: " . (count( $css->query('input:parents') ) == 2 ? $TRUE : $FALSE); //get elements using parents psuedo selector print "{$br}parents(p): " . (count( $css->query('span:parents(p)') ) == 2 ? $TRUE : $FALSE); //get elements using headers psuedo selector print "{$br}header: " . (count( $css->query(':header') ) == 1 ? $TRUE : $FALSE); //get elements using checkbox psuedo selector print "{$br}checkbox: " . (count( $css->query(':checkbox') ) == 1 ? $TRUE : $FALSE); //get elements using input psuedo selector print "{$br}input: " . (count( $css->query(':input') ) == 2 ? $TRUE : $FALSE); //get elements using contains psuedo selector print "{$br}contains: " . (count( $css->query('b:contains("General")') ) == 1 ? $TRUE : $FALSE); //get elements using Contains psuedo selector print "{$br}Contains: " . (count( $css->query('b:Contains(sibling)') ) == 2 ? $TRUE : $FALSE); //comma print "{$br}comma: " . (count( $css->query('p, #spanner, tr:first') ) == 4 ? $TRUE : $FALSE); //$css->registerNamespace('uri:sam', 'xsd'); //print "{$br}ns@attribute: " . (count( $css->query('div[xsd|testing]') ) == 1 ? $TRUE : $FALSE); CSSQuery::$attributeFilters['>='] = create_function('&$e,&$a,&$v','return $e->hasAttribute($a) && strlen($e->getAttribute($a)) > $v;'); //get elements by an attribute print "{$br}attribute length > 4: " . (count( $css->query('a[name>=4]') ) == 1 ? $TRUE : $FALSE); //use # and . as a filter instead of a selector print "{$br}filter selectors: " . (count( $css->query('span#spanner.somewhere:not([tabindex]), p.paragraph') ) == 2 ? $TRUE : $FALSE); //use # and . as a filter instead of a selector print "{$br}filter selectors 2: " . (($x = count( $css->query('span#spanner:not(.somewhere), p.second-class-name:not([tabindex]).paragraph') )) == 1 ? $TRUE : $x); //use # and . as a filter instead of a selector print "{$br}filter selectors 3: " . (count( $css->query('.paragraph .testing') ) == 2 ? $TRUE : $FALSE); $context = $css->query('.paragraph'); //use # and . as a filter instead of a selector print "{$br}filter selectors 4: " . (count( $css->query('> .testing', $context) ) == 1 ? $TRUE : $FALSE); ?>