Viewing file:  CSS_grepStyles.php (2.91 KB) -rw-r--r--
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<?php
/**
* New feature of version 1.1.0 explained :
* Ability to find if an element or property is already defined and where
*
* PHP versions 4 and 5
*
* @category HTML
* @package HTML_CSS
* @subpackage Examples
* @author Laurent Laville <pear@laurent-laville.org>
* @copyright 2006-2009 Laurent Laville
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version CVS: $Id: CSS_grepStyles.php,v 1.6 2009/01/19 23:22:38 farell Exp $
* @link http://pear.php.net/package/HTML_CSS
* @since File available since Release 1.1.0
* @ignore
*/
require_once 'HTML/CSS.php';
/**
* HTML render for css grep results.
*
* @param array $styles HTML_CSS array output render
*
* @return void
* @ignore
*/
function displayResults($styles)
{
if (count($styles) == 0) {
echo 'does not exists';
} else {
echo 'is already defined by ';
echo '<h2>Class selectors </h2>';
echo implode(', ', array_keys($styles));
echo '<h2>Full Dump</h2>';
echo '<pre>';
var_dump($styles);
echo '</pre>';
}
}
$styleSheet = '
#PB1.cellPB1I, #PB1.cellPB1A {
width: 15px;
height: 20px;
font-family: Courier, Verdana;
font-size: 8px;
float: left;
}
#PB1.progressBorderPB1 {
width: 172px;
height: 24px;
border-width: 1px;
border-style: solid;
border-color: #404040 #dfdfdf #dfdfdf #404040;
background-color: #CCCCCC;
}
.progressPercentLabelpct1PB1 {
width: 50px;
text-align: right;
background-color: transparent;
font-size: 11px;
font-family: Verdana, Tahoma, Arial;
font-weight: normal;
color: #000000;
}
.progressTextLabeltxt1PB1 {
text-align: left;
background-color: transparent;
font-size: 11px;
font-family: Verdana, Tahoma, Arial;
font-weight: normal;
color: #000000;
}
.cellPB1I {
background-color: #CCCCCC;
}
.cellPB1A {
background-color: #0033FF;
}
body {
background-color: #E0E0E0;
color: #000000;
font-family: Verdana, Arial;
}
';
$css = new HTML_CSS();
$css->parseString($styleSheet);
// 1. is class selector pattern ".progressBorder" already defined ?
$styles = $css->grepStyle('/.*\.progressBorder/');
echo '<h1>1. class selector pattern ".progressBorder"</h1>';
displayResults($styles);
// 2. is class selector pattern ".#PB1" already defined ?
$styles = $css->grepStyle('/^#PB1/');
echo '<h1>2. class selector pattern "#PB1"</h1>';
displayResults($styles);
// 3. is property "font-weight" already defined inside class selectors pattern #PB1?
$styles = $css->grepStyle('/^#PB1/', '/^font-weight$/');
echo '<h1>3. property "font-weight" inside class selector pattern "#PB1"</h1>';
displayResults($styles);
// 4. is property "color" already defined ?
$styles = $css->grepStyle('/./', '/^color$/');
echo '<h1>4. property "color"</h1>';
displayResults($styles);
?>
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