print triangle of star using php

1) first loop considering $i as row and $j as column ,where total number of row is 4 and column is 7.
2) second is print * as passing the condition as following.

CODE:

for($i=1;$i<=4;$i++){
    for($j=1;$j<=7;$j++){
            if($i==1 && $j==4)
            {
                echo "*";
            } else if(($j==3 || $j==5)&& $i==2 )
            {
                echo "*";
            }else if(($j==2||$j==6)&&$i==3)
            {
                echo "*";
            } else if(($j==1||$j==7)&&$i==4){
                echo "*";
            }
            else{
                echo " ";
            }
    }
    echo "\n";
   
}