Check if a number is in an array in PHP
Description
The following code shows how to check if a number is in an array.
Example
/*from w w w.j a v a 2s.c om*/
<?php
$primes = array(2,3,5,7,11,13,17,19,23,29,31,37,41,43,47);
for($count = 1; $count++; $count < 1000) {
$randomNumber = rand(1,50);
if (in_array($randomNumber,$primes)) {
break;
} else {
echo "<p>Non-prime number encountered: $randomNumber</p>";
}
}
?>