<?php
/**
 * Created by PhpStorm.
 * User: User
 * Date: 2017/9/18
 * Time: 18:39
 */
for($j=1; $j<=9; $j++) {
    for($i=1; $i<=$j; $i++) {
        echo "{$i}x{$j}=".($i*$j)." ";
    }
    echo "<br />";
}