[wp-trac] [WordPress Trac] #47557: Sanitize Email Suggestion

[WordPress Trac]

#47557: Sanitize Email Suggestion
-------------------------+-----------------------------
 Reporter:  dandersoncm  |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Formatting   |    Version:  5.2.1
 Severity:  minor        |   Keywords:
  Focuses:               |
-------------------------+-----------------------------
 I am using WooCommerce and I've noticed several customer emails come
 through like...

 {{{
 example at example.com1234
 example at example.com1234567812345678
 }}}

 It's mostly due to the email input being the last one before the credit
 card step, but these emails are passing the validation and sanitization
 that exists: is_email and sanitize_email.

 I am doing something like the following to fix...

 {{{#!php
 <?php

     public function clean_billing_email_address( $value ) {
         return trim( preg_replace( '/\d*$/', '', $value ) );
     }
     add_filter( 'woocommerce_process_checkout_field_billing_email',
 'clean_billing_email_address' );

 }}}

 You may consider adding something like this to the sanitize_email function
 since no TLD ends with numbers anyways, at least at this point in time.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47557>
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