PHP prints the ninety-nine multiplication table (so that the output can be fully aligned)

Aiming at the problem that the beginner PHP cannot align the nine-nine multiplication table

Beginner PHP classic small problem - ninety-nine multiplication table (full alignment)

• code:

  	<?php
  	for($a=1;$a<=9;$a++){
  		for($b=1;$b<=$a;$b++){	
  			echo $a.'*'.$b.'='.$a*$b;
  			if(($a*$b==6||$a*$b==8)&&$b==2){
  				echo'&nbsp;&nbsp;&nbsp;&nbsp;';
  			}else{
  				echo'&nbsp;&nbsp;';
  			}
  		}
  		echo'<br/>';
  	}
  	?>

• Renderings:
• Let PHP output the ninety-nine multiplication table. When there is a problem that cannot be completely aligned, it can be found that the back of 3*2=6; and 4*2=8; is not aligned. At this time, we write a judgment statement and output more spaces. We will find that the multiplication table is completely aligned.