			item = function(label, icon, callback, opts) {
				var style = '',
					iconClass = '';
				if (opts) {
					if (opts.iconClass) {
						iconClass = opts.iconClass;
						icon = '';
					}
					if (opts.iconImg) {
						style = ' style="background:url(\''+fm.escape(opts.iconImg)+'\') 0 0 no-repeat;background-size:contain;"';
					}
				}
				return $(tpl.replace('{icon}', icon ? 'elfinder-button-icon-'+icon : (iconClass? iconClass : '')).replace('{label}', label).replace('{style}', style))
					.click(function(e) {
						e.stopPropagation();
						e.preventDefault();
						callback();
					});
			},
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.