wikimedia / mediawiki

		# URLs, per RFC 2396.

		# Make   terminate a URL as well (bug T84937)

		$m2 = [];

		if ( preg_match(

			'/&(lt|gt|nbsp|#x0*(3[CcEe]|[Aa]0)|#0*(60|62|160));/',

			$url,

			$m2,

			PREG_OFFSET_CAPTURE

		) ) {

			$trail = substr( $url, $m2[0][1] ) . $trail;

			$url = substr( $url, 0, $m2[0][1] );

		}

		# Move trailing punctuation to $trail

		$sep = ',;\.:!?';

			# removeHTMLtags()) should not be included in

			# URLs, per RFC 2396.

			$m2 = [];

			if ( preg_match( '/&(lt|gt);/', $url, $m2, PREG_OFFSET_CAPTURE ) ) {

				$text = substr( $url, $m2[0][1] ) . ' ' . $text;

				$url = substr( $url, 0, $m2[0][1] );

			}

			# If the link text is an image URL, replace it with an <img> tag

			# This happened by accident in the original parser, but some people used it extensively