PHP limits the image content in HTML content to the method on this site. _ PHP Tutorial

PHP restricts that images in HTML content must be stored on this site ,. PHP restricts the use of images in HTML content. This article describes how PHP restricts the use of images in HTML content. Share it with you for your reference. The specific implementation method PHP restricts that images in HTML content must be the method of this site,

The example in this article shows how PHP restricts HTML content by using images on this site. Share it with you for your reference. The specific implementation method is as follows:

1. the PHP code is as follows:

 loadHTML(file_get_contents('input.html'));$xpath = new DOMXpath($dom);$img = $xpath->query('//img');foreach($img as $i) {  $url = parse_url($i->getAttribute('src'));  if(isset($url['host']) && in_array($url['host'], array('yourdomain.com', 'www.yourdomain.com')) == false) {    // show an error      // -- or --      // remove the tag: $i->parent->removeChild($i)    echo sprintf('[FAIL] %s' . PHP_EOL, $i->getAttribute('src'));  }  else {    echo sprintf('[PASS] %s' . PHP_EOL, $i->getAttribute('src'));  }}

2. test the HTML code:

Lorem ipsum dolor sit amet, consectetur adipiscing elit.

3. running result:

[PASS] /image.jpg[PASS] http://www.bkjia.com/uploads/allimg/160206/1559594622-0.jpg[PASS] http://www.bkjia.com/uploads/allimg/160206/1559595506-1.jpg[FAIL] http://otherdomain.com/image.jpg

Reprinted from: http://www.aspnetjia.com

Example: This article describes how PHP restricts HTML content by using images on this site. Share it with you for your reference. Implementation method...