term_id); //echo '
';print_r($get_edit_term_details);
	//print_r($edit_agent_details);	
	if(isset($_POST['agent_edit'])){		
		if((isset($_POST["agent"]['agent_name']) && empty($_POST["agent"]['agent_name']))){
			$agent_error= new WP_Error('err', __("Agent Name is required to create agent details"));
		}		
		elseif((isset($_POST["agent"]['agent_contact']) && empty($_POST["agent"]['agent_contact']))){
			$agent_error= new WP_Error('err', __("Agent Contact is required to create agent details"));
		}
		elseif((isset($_POST["agent"]['agent_contact']) && !is_numeric($_POST["agent"]['agent_contact']))){
			$agent_error= new WP_Error('err', __("Agent Contact enter only phone number"));
		}
		elseif((isset($_POST["agent"]['agent_email']) && empty($_POST["agent"]['agent_email']))){
			$agent_error= new WP_Error('err', __("Agent Email is required to create agent details"));
		}	
		elseif((isset($_POST["agent"]['agent_email']) && !is_email($_POST["agent"]['agent_email']))){
			$agent_error= new WP_Error('err', __("Agent Email address isn’t correct"));
		}				
		else
		{	$agent_name= $_POST["agent"]['agent_name'];
			$agent_contact_detail= $_POST["agent"]['agent_contact'];
			$agent_email=$_POST["agent"]['agent_email'];
			$agent_desc=$_POST["agent"]['agent_description'];
			$agent_photo = $_POST["agent"]['agent_upload_image'];			
			wp_update_term( $get_edit_term_details->term_id, 'real_estate_agents_tax', array('name'=>$agent_name,'slug' => sanitize_title($agent_name)));											
			$get_agent_details = $_POST['agent'];			
			$table  = $wpdb->prefix.'agents_metadata';									
			foreach($get_agent_details as $agent => $value){	
				$agent_meta_data_id = get_agent_meta_id($get_edit_term_details->term_id,$agent);						
				$data = array(				
				'agent_term_id'=>$get_edit_term_details->term_id,
				'agent_meta_key'=>$agent,
				'agent_meta_value'=>$value);				
				$wpdb->update($table, $data, array('agent_meta_id'=>$agent_meta_data_id[0]->agent_meta_id));				
			}					
			$old_url = AGENTS_LIST;
			$new_url = add_query_arg( 'edited', 1,$old_url);	
			wp_redirect($new_url);
			ob_end_flush();			
			

		}
	}
	?>

".$agent_error->get_error_message()."

";//updated ?>

Edit Agent

It is usually all lowercase,uppercase and contains only letters, numbers, and hyphens.

It is usually only numbers.