current_user_can() 检查当前用户的指定功能。看见Roles and Capabilities.

此外，CSS只是在视觉上隐藏该节，但不会将其从页面HTML中删除。以下代码检查该功能并完全删除该节。

<?php
// For example, 
// any user other than an Admin of single site installation,
// but not Multisite Admin and not SuperAdmin:
if ( ! current_user_can( \'delete_users\' ) ) {

    add_action( \'admin_head\', \'my_profile_admin_buffer_start\' );
    add_action( \'admin_footer\', \'my_profile_admin_buffer_end\' );

}

function my_remove_about_section( $buffer ) {

    // get section header and everything until the next section
    $about_section = \'~<h2>About Yourself</h2>.+?/table>~s\';
    // replace it with empty string
    $buffer = preg_replace( $about_section, \'\', $buffer, 1 );

    return $buffer;
}

function my_profile_admin_buffer_start() {
    ob_start( \'my_remove_about_section\' );
}

function my_profile_admin_buffer_end() {
    ob_end_flush();
}