antispambot( string $email_address, int $hex_encoding ): string
Converts email addresses characters to HTML entities to block spam bots.
Parameters
-
$email_address
string Required -
Email address.
-
$hex_encoding
int Optional -
Set to 1 to enable hex encoding.
Return
string Converted email address.
Source
File: wp-includes/formatting.php
.
View all references
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( '@', '@', $email_no_spam_address );
}
Changelog
Version | Description |
---|---|
0.71 | Introduced. |
User Contributed Notes
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Example
To use this in your WordPress Content area all you have to do it wrap it in a short code.
You can also use this in a plain text widget if you add this filter to your function file as well.
Edited with a contribution from @johnrafferty
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Feedback
Escaping URL in href attribute will add
http://
before email address. In lack of better option, it’s more appropriate to useesc_attr()
instead. — By Milana Cap —Filtering
widget_text
is no longer necessary as shortcodes are allowed in text widgets by default. — By Milana Cap —