get-tags-admin.php

<?php
	session_start();

	include 'database/connect.php';
	include 'functions.php';

	protectAdmin();

	$id = $_POST['id'];
	$array = array();

	$query = $con->prepare( "SELECT tags FROM tags_snippets WHERE snippets_id = ?" );
	$query->bind_param( "s", $id );
	$query->execute();
	$query->bind_result( $tags );
	while( $query->fetch() ){
		$array[] = $tags;
	}
	$query->close();
	echo json_encode( $array );
?>