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_make_url_clickable_cb ›

Since2.3.2
Deprecatedn/a
_make_url_clickable_cb ( $matches )
Access:
  • private
Parameters:
  • (array) $matches Single Regex Match.
    Required: Yes
Returns:
  • (string) HTML A element with URI address.
Defined at:
Codex:

Callback to convert URI match to HTML A element.

This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().



Source

function _make_url_clickable_cb( $matches ) {
	$url = $matches[2];

	if ( ')' == $matches[3] && strpos( $url, '(' ) ) {
		// If the trailing character is a closing parethesis, and the URL has an opening parenthesis in it, add the closing parenthesis to the URL.
		// Then we can let the parenthesis balancer do its thing below.
		$url   .= $matches[3];
		$suffix = '';
	} else {
		$suffix = $matches[3];
	}

	// Include parentheses in the URL only if paired
	while ( substr_count( $url, '(' ) < substr_count( $url, ')' ) ) {
		$suffix = strrchr( $url, ')' ) . $suffix;
		$url    = substr( $url, 0, strrpos( $url, ')' ) );
	}

	$url = esc_url( $url );
	if ( empty( $url ) ) {
		return $matches[0];
	}

	return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix;
}