November 30, 2015 Find prime numbers between the range Code Block <?php $start=0;$end=100;$prime_numbers=array();for($i=$start;$i<=$end;$i++){ if(is_prime($i)==true){ $prime_numbers[]=$i; }} var_dump($prime_numbers);function is_prime($num){ $no=$num; $prime=true; for($i=2;$i<=($no/2);$i++) { if($no%$i==0){ $prime=false; break; } } return $prime;} ?> Posted in Algorithm, Array, Function, Method, PHP, Programming by ahmadasjad Leave a comment