antispambot.md

Note that you will not see the encoded email address in the inspector but it will display as encoded in the source code, view source will display it appropriately.

wp-email-antispambot-shortcode-alternative.php

<?php

/**
* Shortcode to wrap an email in the antispambot() function.
* returns the encoded email address with option as working mailto link.
*
* Usage: [emailantispam is_link="true"]john@example.com[/emailantispam]
* is_link default is false.
**/
function email_antispambot_link_shortcode( $atts , $content = null ) {
	if ( ! is_email( $content ) ) {
		return;
	}
  
	// Options
	$options = shortcode_atts(
		[
			'is_link' => 'false',
		],
		$atts
	);
  
  $email = antispambot( $content );
  
  if ($options['is_link'] === 'false') {
    return esc_html( $email );
  } else if ($options['is_link'] === 'true') {
    $email_link = sprintf( 'mailto:%s', $email );
    return sprintf( '<a href="%s">%s</a>', esc_url( $email_link, array( 'mailto' ) ), esc_html( $email ) );
  }
}
add_shortcode( 'emailantispam', 'email_antispambot_shortcode' );

wp-email-antispambot-shortcode.php

<?php 

/**
* Shortcode to wrap an email in the antispambot() function.
* returns only the encoded email address.
*
* Usage: [emailantispam]john@example.com[/emailantispam]
**/
function email_antispambot_shortcode( $atts , $content = null ) {
	if ( ! is_email( $content ) ) {
		return;
	}

	return esc_html( antispambot( $content ) );
}
add_shortcode( 'emailantispam', 'email_antispambot_shortcode' );


/**
* Shortcode to wrap an email in the antispambot() function.
* returns the encoded email address as a working mailto link.
*
* Usage: [emailantispamlink]john@example.com[/emailantispamlink]
**/
function email_antispambot_link_shortcode( $atts , $content = null ) {
	if ( ! is_email( $content ) ) {
		return;
	}

	$content = antispambot( $content );

	$email_link = sprintf( 'mailto:%s', $content );

	return sprintf( '<a href="%s">%s</a>', esc_url( $email_link, array( 'mailto' ) ), esc_html( $content ) );
}
add_shortcode( 'emailantispamlink', 'email_antispambot_link_shortcode' );