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PHP code example of lincanbin / white-html-filter

1. Go to this page and download the library: Download lincanbin/white-html-filter library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

lincanbin / white-html-filter example snippets


use lincanbin\WhiteHTMLFilter;

$html = <<<html
<iframe></iframe>
<div class="contain">
	<span style="color: #f00;">
		test中文
	</span>
</div>
<div class="contain" data-src="xxx" onclick="javascript:alert('xxx');">
	<audio controls = "play">
	  <source src="horse.ogg" type="audio/ogg">
	  <source src="horse.mp3" type="audio/mpeg">
	  Your browser does not support the audio element.
	</audio>
</div>
<div class="contain">
	<span style="color: #f00;" class="aabc">test</span>
</div>
<IMG SRC=javascript:alert('XSS')>
html;

$filter = new WhiteHTMLFilter();
$filter->loadHTML($html);
$filter->clean();
var_dump($filter->outputHtml());


use lincanbin\WhiteHTMLFilter;
$filter = new WhiteHTMLFilter();
$filter->config->removeAllAllowTag();
//Or
$filter->config->removeFromTagWhiteList('div');
$filter->config->removeFromTagWhiteList(array("div", "table"));


use lincanbin\WhiteHTMLFilter;
$filter = new WhiteHTMLFilter();
$filter->config->removeAllAllowTag();
$filter->config->modifyTagWhiteList(array(
    "img" => array("alt", "src", "height", "width"),
    "a" => array("href", "rel", "target", "download", "type")
));


use lincanbin\WhiteHTMLFilter;
$filter = new WhiteHTMLFilter();
$filter->config->WhiteListHtmlGlobalAttributes = array(
    "class", "style", "title", "data-*"
);


use lincanbin\WhiteHTMLFilter;
$filter = new WhiteHTMLFilter();
$filter->config->WhiteListStyle = array(
    "color", "border", "background", "position"
);


use lincanbin\WhiteHTMLFilter;
$filter = new WhiteHTMLFilter();
$filter->config->WhiteListCssClass = array(
    "container", "title", "sub-title", "sider-bar"
);


use lincanbin\WhiteHTMLFilter;

$html = <<<html
<iframe width="560" height="315" src="https://www.youtube.com/embed/lBOwxXxesBo" frameborder="0" allowfullscreen>
</iframe>
<iframe width="560" height="315" src="https://www.94cb.com/" frameborder="0" allowfullscreen></iframe>
html;
$filter = new WhiteHTMLFilter();
$urlFilter = function($url) {
    $regex = '~
  ^(?:https?://)?                           # Optional protocol
   (?:www[.])?                              # Optional sub-domain
   (?:youtube[.]com/embed/|youtu[.]be/) # Mandatory domain name (w/ query string in .com)
   ([^&]{11})                               # Video id of 11 characters as capture group 1
    ~x';
    return (preg_match($regex, $url) === 1) ? $url : '';
};

$iframeRule = array(
    'iframe' => array(
        'src' => $urlFilter,
        'width',
        'height',
        'frameborder',
        'allowfullscreen'
    )
);

$filter->loadHTML($html);
$filter->clean();
var_dump($filter->outputHtml());