find int on array php code example

Example 1: php check if int is odd

$number = 15;
if ($number % 1 == 0) {
    echo "It's even";
}else{
    echo "oneven";
}

Example 2: php check if string contains number

if (preg_match('/[A-Za-z]/', $myString) && preg_match('/[0-9]/', $myString))
{
    echo 'Contains at least one letter and one number';
}