[Solved] Percentage for event to happen PHP [closed]

Question

Generally, for natural numbers a>0 and b>0

if(mt_rand(1,$a+$b)>$a){
    echo 'b';
} else {
    echo 'a';
}

Accepted Answer

Generally, for natural numbers a>0 and b>0

if(mt_rand(1,$a+$b)>$a){
    echo 'b';
} else {
    echo 'a';
}