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Disallows special characters in BuddyPress username
/**
* Disallow special characters in BuddyPres username.
*/
add_filter( 'bp_core_validate_user_signup', function ( $results ) {
if ( empty( $results ) || empty( $results['errors'] ) ) {
return $results;
}
$username = $results['user_name'];
$invalid_characters = array(
'@' => '',
'.' => '',
'-' => '',
);
$sanitized = str_replace( array_keys( $invalid_characters ), array_values( $invalid_characters ), $username );
if ( $sanitized !== $username ) {
$results['errors']->add( 'user_name', sprintf( 'Special characters %s are not allowed!', join( ',', array_keys( $invalid_characters ) ) ) );
}
return $results;
} );
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