Binary to decimal function.

By : bjpalmer

function binToDec ($binary)
{
$decimal = 0;
$bits = strlen($binary);
for($i=0; $i<$bits; $i++)
{
$decimal = $decimal + (substr($binary, $i, 1) * pow(2, ($bits - ($i + 1))));
}
return $decimal;
}

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