php do while loop

The final loop type we describe behaves slightly differently. The general structure of a do…while statement is

while( condition );

A do…while loop differs from a while loop because the condition is tested at the end. This means that in a do…while loop, the statement or block within the loop is always executed at least once

$num = 100;
 echo $num."<br />";
}while ($num < 1 ) ;

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