for (initialization; condition; increment){    code to be executed; } //Example <?php     $a = 0;     $b = 0;  for( $i = 0; $i<5; $i++ )     {         $a += 10;         $b += 5;     }     echo ("At the end of the loop a = $a and b = $b" ); ?> //.......................................//   do {    code to be executed; } while (condition); //Example <?php      $i = 0;     $num = 0;             do {        $i++;      }             while( $i < 10 );  echo ("Loop stopped at i = $i" ); ?>

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