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I wrote <?php
    
    
    
    
        
     
//这是直角在左下方
    
    
    
    
        
     
echo "
    
    
   
    
   
        
    
for($i=1;$i<=9;$i=$i+1){
        
    
            
     
      
        
    
        
    
            
     
echo "
";
     
        
    
        
    
            
     
for($j=1;$j<=$i;$j=$j+1){
            
     
                
      
       
            
     
            
     
                
      
echo "
".$i."*".$j."=".$i*$j."";
      
            
     
        
    
        
    
            
     
}
        
    
        
    
            
     
echo "
";
     
        
    
    
   
    
   
        
    
echo "
";
    
    
   
    
   
        
    
echo "
 
    
 
    
";
    
    
   
    
   
        
    
//直角左上方
    
   
    
   
        
    
echo "
 
    
 for($i=9;$i>=1;$i=$i-1){
    
        
    
            
     
      
        
    
        
    
            
     
echo "
";
     
        
    
        
    
            
     
for($j=1;$i>=$j;$j=$j+1){
        
    
        
    
            
     
echo "
".$i."*".$j."=".$i*$j."";
     
        
    
        
    
            
     
}
        
    
        
    
            
     
echo "
";
     
        
    
    
   
    
   
        
    
echo "
";
    
    
   
    
   
        
    
echo "
 
    
 
    
";
    
    
   
    
   
        
    
//直角右下方
    
   
    
   
        
    
echo "
 
    
 for($i=9;$i>=1;$i=$i-1){
    
        
    
            
     
      
        
    
        
    
            
     
echo "
";
     
        
    
        
    
            
     
for($z=0;$z<9-$i;$z=$z+1){
            
     
                
      
       
            
     
            
     
                
      
echo '
 ';
      
            
     
        
    
        
    
            
     
}
        
    
        
    
            
     
for($j=1;$j<=$i;$j=$j+1){
            
     
                
      
echo "
".$i."*".$j."=".$i*$j."";
      
            
     
        
    
        
    
            
     
}
        
    
        
    
            
     
echo "
";
     
        
    
    
   
    
   
        
    
echo "
";
    
    
   
    
   
        
    
echo "
 
    
 
    
";
    
    
   
    
   
        
    
//直角右下方
    
   
    
   
        
    
echo "
 
    
 for($i=1;$i<=9;$i=$i+1){
    
        
    
            
     
      
        
    
        
    
            
     
echo "
";
     
        
    
        
    
            
     
for($z=0;$z<9-$i;$z=$z+1){
            
     
                
      
       
            
     
            
     
                
      
echo '
 ';
      
            
     
        
    
        
    
            
     
}
        
    
        
    
            
     
for($j=1;$j<=$i;$j=$j+1){
            
     
                
      
echo "
            
     
        
    
        
    
            
     
}
        
    
        
    
            
     
echo "
";
     
        
    
    
   
    
   
        
    
echo "
";