四种形式的乘法表---PHP编写

    =========================第一种==========================
";echo "
    
     ";for ($j=1;$j<=9;$j++){	echo "
       ";	for ($i=1;$i<=$j;$i++){		echo "
";	}	echo "
";}echo "
     
      
       
";		echo "$i*$j=".$i*$j;		echo "
      
     
    
";echo "
=========================第二种==========================
";echo "
    
     ";for ($j=9;$j>=1;$j--){	echo "
       ";	for ($i=1;$i<=$j;$i++){		echo "
";	}	echo "
";}echo "
     
      
       
";		echo "$i*$j=".$i*$j;		echo "
      
     
    
";echo "
=========================第三种==========================
";echo "
    
     ";for ($j=1;$j<=9;$j++){	echo "
       ";	for ($z=1;$z<=9-$j;$z++){		echo "
";	}	for ($i=$j;$i>=1;$i--){		echo "
";	}	echo "
";}echo "
     
      
       
 
       
";		echo "$i*$j=".$i*$j;		echo "
      
     
    
";echo "
=========================第四种==========================
";echo "
    
     ";for ($j=9;$j>=1;$j--){	echo "
       ";	for ($z=1;$z<=9-$j;$z++){		echo "
";	}	for ($i=$j;$i>=1;$i--){		echo "
";	}	echo "
";}echo "
     
      
       
 
       
";		echo "$i*$j=".$i*$j;		echo "
      
     
    
";?>