Contents

Code Reference Functions bp_xprofile_validate_nickname_value()

bp_xprofile_validate_nickname_value( $retval,  $field_id, string $value, string $user_id = null )

Validate nickname approved characters and format.

Description

Parameters

$retval

(Required)

$field_name

(Required)

$value

(Required)

$user_id

(Optional)

Default value: null

Return

($retval)

Source

File: bp-xprofile/bp-xprofile-filters.php

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function bp_xprofile_validate_nickname_value( $retval, $field_id, $value, $user_id = null ) {
    if ( $field_id != bp_xprofile_nickname_field_id() ) {
        return $retval;
    }
 
    if ( $retval ) {
        return $retval;
    }
 
    $value = strtolower( $value );
    $field_name = xprofile_get_field( $field_id )->name;
 
    // Empty nickname
    if ( '' === trim( $value ) ) {
        return sprintf( __( '%s is required and not allowed to be empty.', 'buddyboss' ), $field_name );
    }
 
    // only alpha numeric, underscore, dash
    if ( ! preg_match( '/^([A-Za-z0-9-_\.]+)$/', $value ) ) {
        return sprintf( __( 'Invalid %s. Only "a-z", "0-9", "-", "_" and "." are allowed.', 'buddyboss' ), $field_name );
    }
 
    // cannot have 2 continued special characters
    if ( preg_match( '/([-_\.]{2})/', $value ) ) {
        return sprintf( __( '"-", "_" and "." cannot be repeated twice in %s.', 'buddyboss' ), $field_name );
    }
 
    // must be shorter then 32 characters
    $nickname_length = apply_filters( 'xprofile_nickname_max_length', 32 );
    if ( strlen( $value ) > $nickname_length ) {
        return sprintf( __( '%s must be shorter than %d characters.', 'buddyboss' ), $field_name, $nickname_length );
    }
 
    global $wpdb;
    $where = [
        'meta_key = "nickname"',
        'meta_value = "' . $value . '"'
    ];
 
    if ( $user_id ) {
        $where[] = 'user_id != ' . $user_id;
    }
 
    $sql = sprintf(
        'SELECT count(*) FROM %s WHERE %s',
        $wpdb->usermeta,
        implode( ' AND ', $where )
    );
 
    if ( $asdf = $wpdb->get_var( $sql ) > 0 ) {
        return sprintf( __( '%s has already been taken.', 'buddyboss' ), $field_name );
    }
 
    return $retval;
}

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Changelog

Changelog
Version Description
BuddyBoss 1.0.0 Introduced.

Uses

Uses
Uses Description
bp-xprofile/bp-xprofile-filters.php: xprofile_nickname_max_length

UPDATE and DELETE: – replace ‘xprofile_{fieldtype}_id’ with ‘object_id’ – ensure that the object_type field gets filled in
bp-xprofile/bp-xprofile-functions.php: bp_xprofile_nickname_field_id()

Get the field id of the nick name field, fallback to default fullname field
bp-xprofile/bp-xprofile-functions.php: xprofile_get_field()

Get a profile field object.

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