php tabs code example

Example 1: add tabs html

&nbsp;  <!-- 1 space -->
&ensp;	<!-- tab; 2 space -->
&emsp;	<!-- tab; 4 space -->

Example 2: tab php

$tab = array(); // empty tab
$tab = array("0" => "Hello", "1" => "world"); // $tab[0]="hello" and $tab[1]="world"