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PHP filters and replaces link URL addresses in submission information_PHP tutorial

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WBOYOriginal
2016-07-21 14:57:43856browse

PHP filters and replaces the link URL address in the submission message

There is a flood of information on the Internet. A large number of SEO black links often contain spam links in some comment posts. Use this method to filter out external link URLs

$string = preg_replace('/b(https?|ftp|file)://[-A-Z0-9+&@#/%?=~_|$!:,.;]*[A -Z0-9+&@#/%=~_|$]/i', '', $string);

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/363946.htmlTechArticlePHP filters and replaces the link URL address in the submitted information. There is a flood of online information, and a large number of SEO black links are used in some comments. Posts often contain spam links. Use this method to filter out external links...
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