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@ 2014-05-29T22:04:12Z

<?php

$i = $j = 0;
$b = rand(1, 100);

while($i++ < 10000) {
	$a = rand(1, 100);

	if(abs($a - $b) <= 1) {
		$j++;
    }
}

print "{$j} von {$i}"."\n";
print ($j/$i);

Output
Performance
VLD
References
Branches

abs: documentation ( source)
rand: documentation ( source)

preferences:dark modelive preview

32.64 ms | 402 KiB | 5 Q