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antispambot › WordPress Function

Since0.71
Deprecatedn/a
› antispambot ( $email_address, $hex_encoding = 0 )
Parameters: (2)
  • (string) $email_address Email address.
    Required: Yes
  • (int) $hex_encoding Optional. Set to 1 to enable hex encoding.
    Required: No
    Default: —
Returns:
  • (string) Converted email address.
Defined at:
Codex:

Converts email addresses characters to HTML entities to block spam bots.



Related Functions: sanitize_post, is_month, unstick_post, grant_super_admin, is_robots

Source 

function antispambot( $email_address, $hex_encoding = 0 ) {
	$email_no_spam_address = '';

	for ( $i = 0, $len = strlen( $email_address ); $i < $len; $i++ ) {
		$j = rand( 0, 1 + $hex_encoding );

		if ( 0 === $j ) {
			$email_no_spam_address .= '&#' . ord( $email_address[ $i ] ) . ';';
		} elseif ( 1 === $j ) {
			$email_no_spam_address .= $email_address[ $i ];
		} elseif ( 2 === $j ) {
			$email_no_spam_address .= '%' . zeroise( dechex( ord( $email_address[ $i ] ) ), 2 );
		}
	}

	return str_replace( '@', '&#64;', $email_no_spam_address );
}