For starters, 
if ($toggle) {
    $toggle = 0;
} else {
    $toggle = 1;
}

[download]

can be written as 

$toggle = $toggle ? 0 : 1;

[download]

And if you wanted a bitwise toggle, you could do 

$toggle ^= 1;

[download]

But you asked for boolean, so you want the even simpler: 

$toggle = !$toggle;

[download]

In reply to Re: Boolean counter? by ikegami
in thread Boolean counter? by DreamT

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