我使用下面的代码将媒体上传器添加到用户编辑配置文件页面WP。现在，如何在中使用for show in single。php页面？我在单页中有一个错误：

<img src="<br />
<b>Notice</b>:  Array to string conversion in <b>/Applications/MAMP/htdocs/mihansanat/wp-content/themes/mihansanat/single.php</b> on line <b>64</b><br />
Array">

Uploader.js

 /**
 * Theme Options Scripts
 */

jQuery( document ).ready( function() {

    /* WP Media Uploader */
    var _shr_media = true;
    var _orig_send_attachment = wp.media.editor.send.attachment;

    jQuery( \'.shr-image\' ).click( function() {

        var button = jQuery( this ),
                textbox_id = jQuery( this ).attr( \'data-id\' ),
                image_id = jQuery( this ).attr( \'data-src\' ),
                _shr_media = true;

        wp.media.editor.send.attachment = function( props, attachment ) {

            if ( _shr_media && ( attachment.type === \'image\' ) ) {
                if ( image_id.indexOf( "," ) !== -1 ) {
                    image_id = image_id.split( "," );
                    $image_ids = \'\';
                    jQuery.each( image_id, function( key, value ) {
                        if ( $image_ids )
                            $image_ids = $image_ids + \',#\' + value;
                        else
                            $image_ids = \'#\' + value;
                    } );

                    var current_element = jQuery( $image_ids );
                } else {
                    var current_element = jQuery( \'#\' + image_id );
                }

                jQuery( \'#\' + textbox_id ).val( attachment.id );
                                console.log(textbox_id)
                current_element.attr( \'src\', attachment.url ).show();
            } else {
                alert( \'Please select a valid image file\' );
                return false;
            }
        }

        wp.media.editor.open( button );
        return false;
    } );

} );

function.php

function shr_add_admin_scripts(){

    wp_enqueue_media();
    wp_enqueue_script(\'shr-uploader\', get_stylesheet_directory_uri().\'/js/uploader.js\', array(\'jquery\'), false, true );
}
add_action(\'admin_enqueue_scripts\', \'shr_add_admin_scripts\');
function shr_extra_profile_fields( $user ) {

    $profile_pic = ($user!==\'add-new-user\') ? get_user_meta($user->ID, \'shr_pic\', true): false;

    if( !empty($profile_pic) ){
        $image = wp_get_attachment_image_src( $profile_pic, \'thumbnail\' );

    } ?>

    <table class="form-table fh-profile-upload-options">
        <tr>
            <th>
                <label for="image"><?php _e(\'Main Profile Image\', \'shr\') ?></label>
            </th>

            <td>
                <input type="button" data-id="shr_image_id" data-src="shr-img" class="button shr-image" name="shr_image" id="shr-image" value="Upload" />
                <input type="hidden" class="button" name="shr_image_id" id="shr_image_id" value="<?php echo !empty($profile_pic) ? $profile_pic : \'\'; ?>" />
                <img id="shr-img" src="<?php echo !empty($profile_pic) ? $image[0] : \'\'; ?>" style="<?php echo  empty($profile_pic) ? \'display:none;\' :\'\' ?> max-width: 100px; max-height: 100px;" />
            </td>
        </tr>
    </table><?php

}
add_action( \'show_user_profile\', \'shr_extra_profile_fields\' );
add_action( \'edit_user_profile\', \'shr_extra_profile_fields\' );
add_action( \'user_new_form\', \'shr_extra_profile_fields\' );
function shr_profile_update($user_id){

    if( current_user_can(\'edit_users\') ){
        $profile_pic = empty($_POST[\'shr_image_id\']) ? \'\' : $_POST[\'shr_image_id\'];
        update_user_meta($user_id, \'shr_pic\', $profile_pic);
    }

}
add_action(\'profile_update\', \'shr_profile_update\');
add_action(\'user_register\', \'shr_profile_update\');

single.php

  <?php
    $author_id=get_the_author_meta(\'ID\');
    $user_meta=get_user_meta( $author_id,  \'shr_pic\', true);
    $image  =   wp_get_attachment_image_src($user_meta, \'thumbnail\');
  ?>
   <img src="<?php echo $image ?>">