Toms escaping test just got bad asser

tomjn_escaping.php

<?php
/*
Plugin Name: Toms Escaping test
Plugin URI: http://tomjn.com
Description: Provides a tomjn_esc_test shortcode that lets you test values with escaping
Author: Tom J Nowell
Version: 1.0
Author URI: http://www.tomjn.com/escaping
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

function tomjn_escaping_tests(){

	$value = (!empty( $_POST['tomjn_esc_value'] ) ) ? $_POST['tomjn_esc_value'] : false;

	if($value){

		global $wpdb;

		$esc_array = array(
			'esc_html' => esc_html($value),
			'esc_attr' => esc_attr($value),
			'esc_js' => esc_js($value),
			'esc_textarea' => esc_html( esc_textarea( $value ) ),
			'esc_url' => esc_url($value),
			'esc_url_raw' => esc_url_raw($value),
			'esc_sql' => esc_html( esc_sql( $value ) ),
			'wp_json_encode' => esc_html(wp_json_encode($value)),
			'wp_kses( , array(), array())' => esc_html(wp_kses( $value, array(), array())),
			'esc_kses_post' => esc_html( wp_kses_post( $value ) ),
			'wp_strip_all_tags' => wp_strip_all_tags($value),
			'strip_tags' => strip_tags($value),
			'htmlentities' => htmlentities($value),
			'urlencode' => urlencode($value),
			'rawurlencode' => rawurlencode($value),
			'sanitize_email' => sanitize_email($value),
			'sanitize_file_name' => sanitize_file_name($value),
			'sanitize_html_class' => sanitize_html_class($value),
			'sanitize_key' => sanitize_key($value),
			'sanitize_meta' => sanitize_meta($value),
			'sanitize_mime_type' => sanitize_mime_type($value),
			'sanitize_option' => sanitize_option($value),
			'sanitize_post' => sanitize_post($value),
			'sanitize_sql_orderby' => sanitize_sql_orderby($value),
			'sanitize_term'	=> sanitize_term($value),
			'sanitize_term_field' => sanitize_term_field($value),
			'sanitize_text_field' => sanitize_text_field($value),
			'sanitize_title' => sanitize_title($value),
			'sanitize_title_for_query' => sanitize_title_for_query($value),
			'sanitize_title_with_dashes' => sanitize_title_with_dashes($value),
			'sanitize_user'	 => sanitize_user($value),
			'balanceTags' => balanceTags($value),
			'tag_escape' => tag_escape($value),
			'addslashes' => addslashes($value),
			'$wpdb->esc_like' => $wpdb->esc_like($value),
			'$wpdb->prepare' => $wpdb->prepare($value),

		);

	}

	ob_start(); ?>
	<form action="" method="post">
		<textarea name="tomjn_esc_value">
			<?php if ($value) { echo $esc_array['esc_textarea']; } ?>
		</textarea>
		<p><small>Refresh rather than re-submit if you\'re having problems with expanding quote escaping</small></p>
		<p><input type="submit" value="escape"></p>
	</form>
	<?php if ($value) : ?>
	<dl>
		<?php foreach($esc_array as $key => $val) : ?>
		<dt><?php echo $key; ?></dt>
		<dd><pre><?php echo $val; ?></pre></dd>
		<?php endforeach; ?>
	</dl>
	<?php endif; return ob_get_clean();
}

add_shortcode( 'tomjn_esc_test', 'tomjn_escaping_tests' );