wp-admin/includes/class-wp-ms-users-list-table.php:230Handles the checkbox column output.
$itemWP_User public function column_cb( $item ) { // Restores the more descriptive, specific name for use within this method. $user = $item; if ( is_super_admin( $user->ID ) ) { return; } ?> <input type="checkbox" id="blog_<?php echo $user->ID; ?>" name="allusers[]" value="<?php echo esc_attr( $user->ID ); ?>" /> <label for="blog_<?php echo $user->ID; ?>"> <span class="screen-reader-text"> <?php /* translators: Hidden accessibility text. %s: User login. */ printf( __( 'Select %s' ), $user->user_login ); ?> </span> </label> <?php }Introduced in 4.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-ms-users-list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.