: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
$_orderby = 'user_' . $orderby;
} elseif ( in_array( $orderby, array( 'user_login', 'user_nicename', 'user_email', 'user_url', 'user_registered' ), true ) ) {
} elseif ( 'name' === $orderby || 'display_name' === $orderby ) {
$_orderby = 'display_name';
} elseif ( 'post_count' === $orderby ) {
$where = get_posts_by_author_sql( 'post' );
$this->query_from .= " LEFT OUTER JOIN (
SELECT post_author, COUNT(*) as post_count
) p ON ({$wpdb->users}.ID = p.post_author)";
$_orderby = 'post_count';
} elseif ( 'ID' === $orderby || 'id' === $orderby ) {
} elseif ( 'meta_value' === $orderby || $this->get( 'meta_key' ) === $orderby ) {
$_orderby = "$wpdb->usermeta.meta_value";
} elseif ( 'meta_value_num' === $orderby ) {
$_orderby = "$wpdb->usermeta.meta_value+0";
} elseif ( 'include' === $orderby && ! empty( $this->query_vars['include'] ) ) {
$include = wp_parse_id_list( $this->query_vars['include'] );
$include_sql = implode( ',', $include );
$_orderby = "FIELD( $wpdb->users.ID, $include_sql )";
} elseif ( 'nicename__in' === $orderby ) {
$sanitized_nicename__in = array_map( 'esc_sql', $this->query_vars['nicename__in'] );
$nicename__in = implode( "','", $sanitized_nicename__in );
$_orderby = "FIELD( user_nicename, '$nicename__in' )";
} elseif ( 'login__in' === $orderby ) {
$sanitized_login__in = array_map( 'esc_sql', $this->query_vars['login__in'] );
$login__in = implode( "','", $sanitized_login__in );
$_orderby = "FIELD( user_login, '$login__in' )";
} elseif ( isset( $meta_query_clauses[ $orderby ] ) ) {
$meta_clause = $meta_query_clauses[ $orderby ];
$_orderby = sprintf( 'CAST(%s.meta_value AS %s)', esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) );
* @global wpdb $wpdb WordPress database abstraction object.
* @param array $args Query arguments.
* @param string $sql SQL statement.
* @return string Cache key.
protected function generate_cache_key( array $args, $sql ) {
// Replace wpdb placeholder in the SQL statement used by the cache key.
$sql = $wpdb->remove_placeholder_escape( $sql );
$last_changed = wp_cache_get_last_changed( 'users' );
if ( empty( $args['orderby'] ) ) {
// Default order is by 'user_login'.
$ordersby = array( 'user_login' => '' );
} elseif ( is_array( $args['orderby'] ) ) {
$ordersby = $args['orderby'];
// 'orderby' values may be a comma- or space-separated list.
$ordersby = preg_split( '/[,\s]+/', $args['orderby'] );
if ( isset( $args['blog_id'] ) ) {
$blog_id = absint( $args['blog_id'] );
if ( $args['has_published_posts'] || in_array( 'post_count', $ordersby, true ) ) {
$switch = $blog_id && get_current_blog_id() !== $blog_id;
switch_to_blog( $blog_id );
$last_changed .= wp_cache_get_last_changed( 'posts' );
return "get_users:$key:$last_changed";
* Parses an 'order' query variable and casts it to ASC or DESC as necessary.
* @param string $order The 'order' query variable.
* @return string The sanitized 'order' query variable.
protected function parse_order( $order ) {
if ( ! is_string( $order ) || empty( $order ) ) {
if ( 'ASC' === strtoupper( $order ) ) {
* Makes private properties readable for backward compatibility.
* @since 6.4.0 Getting a dynamic property is deprecated.
* @param string $name Property to get.
* @return mixed Property.
public function __get( $name ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
"The property `{$name}` is not declared. Getting a dynamic property is " .
'deprecated since version 6.4.0! Instead, declare the property on the class.',
* Makes private properties settable for backward compatibility.
* @since 6.4.0 Setting a dynamic property is deprecated.
* @param string $name Property to check if set.
* @param mixed $value Property value.
public function __set( $name, $value ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
"The property `{$name}` is not declared. Setting a dynamic property is " .
'deprecated since version 6.4.0! Instead, declare the property on the class.',
* Makes private properties checkable for backward compatibility.
* @since 6.4.0 Checking a dynamic property is deprecated.
* @param string $name Property to check if set.
* @return bool Whether the property is set.
public function __isset( $name ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
return isset( $this->$name );
"The property `{$name}` is not declared. Checking `isset()` on a dynamic property " .
'is deprecated since version 6.4.0! Instead, declare the property on the class.',
* Makes private properties un-settable for backward compatibility.
* @since 6.4.0 Unsetting a dynamic property is deprecated.
* @param string $name Property to unset.
public function __unset( $name ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
"A property `{$name}` is not declared. Unsetting a dynamic property is " .
'deprecated since version 6.4.0! Instead, declare the property on the class.',
* Makes private/protected methods readable for backward compatibility.
* @param string $name Method to call.
* @param array $arguments Arguments to pass when calling.
* @return mixed Return value of the callback, false otherwise.
public function __call( $name, $arguments ) {
if ( 'get_search_sql' === $name ) {
return $this->get_search_sql( ...$arguments );
It is recommended that you Edit text format, this type of Fix handles quite a lot in one request
