This is where I try random things with PHP. Think of it as a sandbox, only it's just for me. Yeah, just for me. Not for you. Me.

Output:
4613732

Execution took 0.021868228912354 seconds.

ascii2xml.phps awesome.phps fizzbuzz.phps p01.phps p02.phps system.phps
Input: <?php
$i1 
1
$i2 1;
for(
$i 1$i 4000000$i $i1 $i2$i2 $i1$i1 $i) {
    if (
$i == 0) {
        
$sum $sum $i;
    }
}
echo 
$sum;
?>